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• Why can't my Wifi cannot connect or disconnect?

  - by tmy1018

  Wifi connection might drop spontaneously or simply cannot connect. Users on Ubuntu 10.04 and 11.04 have reported experiencing the problem. Running dmesg would show: [210749.637705] wlan0: deauthenticating from 00:23:89:48:3b:b0 by local choice (reason=3) [210778.632244] wlan0: deauthenticating from 00:23:89:48:3b:b0 by local choice (reason=3) [210784.456359] wlan0: deauthenticating from 00:23:89:82:75:70 by local choice (reason=3) which is pretty cryptic. I have tried: kill -9 wpa_supplicant, but wpa_supplicant keeps getting restarted each time. Also, some have suggested that this was caused by enabling power management. However, this might not be true, as the problem has presented itself in a situation where power management was disabled.

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• Ubuntu Server 12.04, Wifi problems

  - by brievolz84

  When I installed Ubuntu Server 12.04, I selected the ethernet adapter because I will use that most often; however, I would like to use wifi sometimes as well. This is how far I've gotten with this problem. lspci 02:00.0 Network Controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection iwconfig wlan0 IEEE a/b/g/n BSSID=off/any Mode=Managed Access Point=Not-Associated TX-Power=off Retry Long Limit:7 RTS thr:off Fragment thr:off Power Management:off I tried to do iwconfig wlan0 up but that doesn't work either. The error message said something along the lines of rfkill but I'm not connected to the Internet to download that particular program. Any help here would be great

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• Force Gnome 3 to work

  - by nkg5

  I have Ubuntu 12.10 on dual-boot with windows XP. My PC specifications are AMD Sempron 2800+ 1,6GHz with 512 MB ram and ATI Radeon 9250 graphic card with 128 MB memory. As Unity works slow and I don't like it's look, I installed gnome-shell. But as you know, Gnome 3 won't work on it. But gnome classic without effects works great. Thing is, when I turn off windows (by holding the power button or pressing restart button) my resolution on Linux is changed to 1024x768, and I can only change it by turning off the PC and turning off it's power source. But it is not the problem. The problem is that it runs Gnome 3 after one restart, it also runs better than Unity. My question is: Can I somehow force gnome 3 to work always and disable some of it's effects so it can run better?

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• design for interruptable operations

  - by tpaksu

  I couldn't find a better topic but here it is; 1) When user clicks a button, code starts t work, 2) When another button is clicked, it would stop doing whatever it does and start to run the second button's code, 3) Or with not user interaction, an electrical power down detected from a connected device, so our software would cancel the current event and start doing the power down procedure. How is this design mostly applied to code? I mean "stop what you are doing" part? If you would say events, event handlers etc. how do you bind a condition to the event? and how do you tell the program without using laddered if's to end it's process? method1(); if (powerdown) return; method2(); if (powerdown) return; etc.

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• iPad Development: It's Different in an Exciting Sort of Way

  The power of a desktop and the portability of mobile -- all in the same device Fujitsu iPAD - Programming - ipad - Business - Languages

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• Cannot shutdown, computer freezes

  - by Firouziam

  I've installed Ubuntu 12.04 (near windows 7) on my laptop(Dell studio xps 1640 with Ati Radeon HD 3670) and everything is working fine, but when I want to shutdown my computer it freezes! I don't know what to do after that, then I have to use power button to power off the computer and it's not good at all. I don't know what's the problem and I don't know how to figure this out. I installed the graphic card driver (12.6 version) from ATI website and it fixed my problem with playing videos but I think after that this shutdown problem appears! Would you tell me what's the problem and how can I fix it?

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• Dell Inspiron N5110 Touchpad not detected

  - by Shahidh

  sanju@sanju-Inspiron-N5110:~$ xinput --list ? Virtual core pointer id=2 [master pointer (3)] ? ? Virtual core XTEST pointer id=4 [slave pointer (2)] ? ? PS/2 Generic Mouse id=12 [slave pointer (2)] ? Virtual core keyboard id=3 [master keyboard (2)] ? Virtual core XTEST keyboard id=5 [slave keyboard (3)] ? Power Button id=6 [slave keyboard (3)] ? Video Bus id=7 [slave keyboard (3)] ? Power Button id=8 [slave keyboard (3)] ? Sleep Button id=9 [slave keyboard (3)] ? Laptop_Integrated_Webcam_HD id=10 [slave keyboard (3)] ? AT Translated Set 2 keyboard id=11 [slave keyboard (3)] ? Dell WMI hotkeys id=13 [slave keyboard (3)] As above my touchpad is not detected by the system. version is Ubuntu 12.04 Can anyone help me?

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• Part 1: Programming your Graphics Card (GPU) with Java & OpenCL

  Learn the basics of how to install and use OpenCL with Java, unleash the power of your GPU.

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• SuperMicro BMC on OpenSuSE Linux --cannot access from LAN

  - by Kendall

  Hi, I have an (old) SMC-001 IPMI device on an (old) X6DVL-EG2 motherboard. My problem is that I cannot access the BMC from LAN. I'm also getting some interesting output from ipmitool. First, the setup. I enable Console Redirection in the BIOS, turn BIOS Redirection after POSt to "disabled". I then modprobe'ed for ipmi_msghandler, ipmi_devintf and ipmi_si. I then found ipmi0 under /dev. So far so good. Since I want console redirection over serial, I modified /boot/grub/menu.lst: http://pastebin.com/YYJmhusQ I then modified "/etc/inittab" as follows: S1:12345:respawn:/sbin/agetty -L 19200 ttyS1 ansi Networking I set as following, using "ipmitool" ipaddr: 192.168.3.164 netmask: 255.255.255.0 defgw: 192.168.3.1 The above are correct for my environment. To test it I do: ipmitool -I open chassis power off which responds by powering off the machine. When I to access from another computer on the network, however, I get an error message: host# ipmitool -I lanplus -H 192.168.10.164 -U Admin -a chassis power status Error: Unable to establish LAN session Unable to get Chassis Power Status "Admin" seems to be a valid user name: host# ipmitool -I open user list 1 2 Admin true false true USER The interesting output from ipmitool I initially mentioned: host # ipmitool -I open lan set 1 access on Set Channel Access for channel 1 failed: Request data field length limit exceeded Also, newload4:/home/gjones # ipmitool channel info 1 Channel 0x1 info: Channel Medium Type : 802.3 LAN Channel Protocol Type : IPMB-1.0 Session Support : session-less Active Session Count : 0 Protocol Vendor ID : 7154 Get Channel Access (volatile) failed: Request data field length limit exceeded The output of "ipmitool -I open lan print 1" is here: http://pastebin.com/UZyL6yyE Any help/suggestions is greatly appreciated; I've been working with this thing for a few hours now with no success.

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• Problem with switch dell 6224

  - by Matias

  Hello, we just have upgraded the firmware of a dell 6224 power connect switch and it won't reload. These are the symptons: - I power up the switch having the serial cable connected to it and the switch outputs nothing. The configuration of the serial console is fine: 9600 bds, etc... In fact, before the upgrade, I was connected to the switch through the very same cable. - Reseting the switch with its reset pinhole does not reset the switch: the power and fan lights powers off while I keep pressed the pinhole, but the switch itself does not resets. - When I connect an UTP cable to one of the switches port, the green lights don't flash, but ''mii-tool eth0'' in my laptop shows there is link!! The only thing I see in the output, different from other upgrades I've done, is this line at the end: Erasing Boot Flash.....^^^^Done. Any help or idea will be more than welcome!! Thanks!! console#show version Image Descriptions image1 : image2 : Images currently available on Flash -------------------------------------------------------------------- unit image1 image2 current-active next-active 1 <none> 3.0.0.8 image2 image2 console#boot system image2 Activating image image2 .. console#update bootcode Update bootcode and reset (Y/N)? Updating boot code ... Extracting boot code from image... Erasing Boot Flash.....^^^^Done.

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• How can I make my PCI-E graphics card visible to Ubuntu when the motherboard has integrated graphics

  - by Norman Ramsey

  I have a Gigabyte GA-MA74GM-S2 motherboard with integrated graphics that shows up on lspci as an ATI Radeon 2100. I also bought a PCI-Express Nvidia graphics card so I could use the VDPAU feature on Linux (plays H.264 in hardware). The BIOS has three settings about which display to initialize first: Integrated graphics PCI graphics PCI-Express graphics (PEG) I set the BIOS on PEG, but I cannot get anything, not even a splash screen or POST messages, to emerge from the PCI-Express graphics card. (I'm using a DVI connector; the card also has an HDMI output.) I cannot get the kernel lspci to see the graphics card; the only VGA controller it acknowledges is the integrated one. Running dmidecode acknowledges the existence of an x16 PCI Express slot, and it says Current usage: Unknown There is an additional BIOS setting called "Internal Graphics Mode" which is normally set to "Auto" which means it is supposed to prefer a PCI Express VGA card. I set it to "Disabled" which now means I'm getting no output at all. I will soon be learning how to do a BIOS reset! Other information: The PCI-E card is a MSI N210-MD512H GeForce 210. This is a fanless card. Although there are no fans to see turning, the heat sink on the PCI-E card is definitely getting hot, so the card is getting some sort of power. It gets all its power from the PCI-E slot; there is no external power connector. The BIOS is an AMI Award BIOS. My question: how can I make the PCI Express graphics card visible to Ubuntu?

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• MacBook Pro battery capacity 65K mAh

  - by Alexander Gladysh

  I have a 15" MacBook Pro 3.1 (that is Late 2007 model AFAIR). I've bought it new a couple of years ago. Recently its on-battery power lifespan became very short (30 to 10 minutes). When my notebook turns itself off due to "low battery" and I press the small button on the battery itself, all LED lights are alight, indicating full charge. When I plug in the power adapter, my Mac displays that "battery is fully charged, finishing charging process" (I have a Russian OS X 10.5.7, so that is a rough translation), but the LEDs on battery itself display (seemingly accurate) status that there are one or two "LEDs still not charged". My battery have as few as 37 recharge cycles (yes, I've neglected calibration over the time I've used it). Battery info programs like iBatt2 report battery capacity of 65 337 mAh (with by-design capacity of 5600 mAh). I get it that something went wrong with battery electronics. I've tried resetting my Mac's PRAM and SMC, it did not changed anything. Now I'm trying to recalibrate the battery, but looks like it does not help as well. Will try to recalibrate it several times in a row. I'd buy a new battery if I knew if it is battery fault, not a notebook's. Any suggestions? Update: After recalibration, my battery status now displays battery capacity of 1500 mAh. But with every recalibration (or simply when I use notebook without power adapter plugged in) this number changes in the range from 200 mAh to 1700 mAh. LEDs on battery now are synchronous with what nodebook thinks on the charge level. Also I've noticed that cycle count changes rather slowly. It is now 39, it was 37 when I've started recalibration, and I went through the process at least ten times... So, the main question is: does it look like that replacing the battery would help me (or does it look like this is notebook's problem)? I guess I should try replacing the battery.

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• Put one monitor of a dual monitor windows system into standby

  - by Psycogeek

  Standby not Disabled! When running 2 monitors on windows 7 or Windows XP, I would like to be able to put one of the monitors at a time into standby. The method can be manual. When running 2 monitors , the second monitor is not always needed, shutting off the monitors own power switch will turn off the monitor, that does work Ok. Problems with that are , the delay with the monitor logo at turn on, and the power switch is not very accessable, and the switch might not live forever turning it on and off so many times. Using disable methods like devcon, WIN-P and Display, causes all the windows to properly move to the other monitor. While that is what a person would want to happen so they can get hold of the windows, that is not what I want to happen, and some things on the other monitor have to be re-arranged after a re-enable. By putting it into standby mode, nothing changes other than the monitor going into standby. Disconnecting the DVI cable still can cause the system to (properly) shift all the windows over to the one monitor, just like any of the disable methods do. That makes a mess of the windows, and is so unacceptable, that I would prefer to leave the monitor on, wasting power and the hardware, when it could easily go into standby for some time. For both monitors I am using a "MonitorOff" program that puts both monitors into standby, but I can not find a utility that will put only ONE monitor into standby for the windows system. If someone comes along and suggests "ultramon" you must know for a fact that it will put One of either of the monitors into actual standby. And it does not really suit me to use ultramon, I tested it (it was nice) and I did not feel that it was a program I wanted. The 2 monitors are running off of an ATI 4890 card, they are both hooked up DVI-I, the OS is both Windows 7 (primary) and Windows XP. In addition it would also be interesting to have seperate standby activity timers, and follow mouse kind of standby changes, but any manuel method , shortcut, batch , tray, or gadget kind of operation would be a good start.

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• How to bypass resume from hibernate

  - by Daniel Trebbien

  I am attempting to resume a Windows Vista laptop from hibernate, but the resume process seems to be stuck in an endless loop in which Windows is repeatedly trying to read from the optical drive. When I press the Power On button on the laptop, the screen is black (not even the backlight turns on) and the following occurs in a loop: Five seconds pass and I hear the optical drive being accessed. (There's no disk in the drive, so it sounds like a short buzzing noise.) Two seconds pass and I hear the optical drive being accessed. Two seconds pass and I hear the optical drive being accessed. So it's three short buzzing noises in a row, over and over again. Eventually I have to abruptly power off the machine. I have tried inserting a data CD into the drive as well as a bootable CD (a live Linux distro boot disk). For both, the optical drive spins up for a bit, but stops after Windows decides that the disk is not what it is looking for. I have since lost the Windows Vista recovery DVD, but I don't know if inserting the recovery disk into the optical drive would have a different effect than the bootable CD. I have tried pressing F8 immediately after pressing the Power On button (hoping to enter System Restore), but that did not have an effect. Is there a special key sequence that will cause Windows to bypass resuming from hibernate, effectively ignoring hiberfil.sys?

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• How to bypass resume from hibernate [closed]

  - by Daniel Trebbien

  I am attempting to resume a Windows Vista laptop from hibernate, but the resume process seems to be stuck in an endless loop in which Windows is repeatedly trying to read from the optical drive. When I press the Power On button on the laptop, the screen is black (not even the backlight turns on) and the following occurs in a loop: Five seconds pass and I hear the optical drive being accessed. (There's no disk in the drive, so it sounds like a short buzzing noise.) Two seconds pass and I hear the optical drive being accessed. Two seconds pass and I hear the optical drive being accessed. So it's three short buzzing noises in a row, over and over again. Eventually I have to abruptly power off the machine. I have tried inserting a data CD into the drive as well as a bootable CD (a live Linux distro boot disk). For both, the optical drive spins up for a bit, but stops after Windows decides that the disk is not what it is looking for. I have since lost the Windows Vista recovery DVD, but I don't know if inserting the recovery disk into the optical drive would have a different effect than the bootable CD. I have tried pressing F8 immediately after pressing the Power On button (hoping to enter System Restore), but that did not have an effect. Is there a special key sequence that will cause Windows to bypass resuming from hibernate, effectively ignoring hiberfil.sys?

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• New Computer won't boot up

  - by Reggie

  I brought new components and put a computer together. I installed win7(32bit) and everything was working as it should. However my case came with two USB3 front ports I could not connect because of motherboard did not support USB3, so I swapped out the board for a new motherboad with USB3 connection. Now I put everything back together but it won't bootup. "Memory Ok" light stay on. Motherboad LED is on. There is power, all fans are on but I got no display. There is no activity in back of the systems, none of the peripheral connection in the back are working. I have tried the following but to no avail. Reboot multiple times Unplug power and plug the power back Reset the CMOS battery..let it stays out for 10 minutes or more. Unplug all peripheral device but no luck Reset memory..... nothing happen The only thing I did not do was remove the cpu...but I unplug everything else. Please help, thank you.

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• A fatal exception 0E occured at 0028:xxxxxx in VxD IOS(01)

  - by winlin

  I get a blue screen of death in my windows 98 machine every time I boot it. I can't reach to my desktop. The error is like this: A fatal exception 0E occured at 0028:C003CC2F in VxD IOS(01) + 0000156B This was called from 0028:C0082E60 in VxD VKD(01) + 000001D0 I have to then give it a three finger salute to restart the system. There is no other way to shut down the system at this point except pressing the CPU power button. What could be the problem? My windows system.ini is: [boot] oemfonts.fon=vgaoem.fon shell=Explorer.exe system.drv=system.drv drivers=mmsystem.dll power.drv user.exe=user.exe gdi.exe=gdi.exe sound.drv=mmsound.drv dibeng.drv=dibeng.dll comm.drv=comm.drv mouse.drv=mouse.drv keyboard.drv=keyboard.drv *DisplayFallback=0 fonts.fon=vgasys.fon fixedfon.fon=vgafix.fon 386Grabber=vgafull.3gr display.drv=pnpdrvr.drv [keyboard] keyboard.dll= oemansi.bin= subtype= type=4 [boot.description] system.drv=Standard PC mouse.drv=Standard mouse keyboard.typ=Standard 101/102-Key or Microsoft Natural Keyboard aspect=100,96,96 display.drv=Standard PCI Graphics Adapter (VGA) [386Enh] ;device=tddebug.386 ;device=D:\TC\TASM\BIN\WINDPMI.386 ebios=*ebios woafont=dosapp.fon mouse=*vmouse, msmouse.vxd device=*dynapage device=*vcd device=*vpd device=*int13 keyboard=*vkd display=*vdd,*vflatd ConservativeSwapfileUsage=0 Paging=on [NonWindowsApp] TTInitialSizes=4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 22 [power.drv] [drivers] wavemapper=*.drv MSACM.imaadpcm=*.acm ;msvideo.STV680=STV680sg.drv midi=mmsystem.dll wave=mmsystem.dll MSACM.msadpcm=*.acm [iccvid.drv] [mciseq.drv] [mci] cdaudio=mcicda.drv sequencer=mciseq.drv waveaudio=mciwave.drv avivideo=mciavi.drv videodisc=mcipionr.drv vcr=mcivisca.drv MPEGVideo=mciqtz.drv MPEGVideo2=mciqtz.drv [vcache] [MSNP32] [DISPLAY] BusThrottle=1 [network] SSID=1438661605 [vicax] msacm711=74603 msacm811=148933 msacm911=42405 [Sessew] VideoManufacturer=Standard VGA VideoBoard=Standard Display Adapter (VGA) MouseType=0 VidType=0 Mono=0 Ddraw=1 [drivers32] msacm.lhacm=lhacm.acm VIDC.IV50=ir50_32.dll msacm.iac2=C:\WINDOWS\SYSTEM\IAC25_32.AX VIDC.YUY2=msyuv.dll VIDC.UYVY=msyuv.dll VIDC.YVYU=msyuv.dll msacm.msaudio1=msaud32.acm msacm.vorbis=vorbis.acm msacm.l3acm=C:\WINDOWS\SYSTEM\L3CODECA.ACM msacm.sl_anet=sl_anet.acm VIDC.TSCC=tsccvid.dll VIDC.IV41=IR41_32.AX vidc.mpg4=mpg4c32.dll vidc.mp43=mpg4c32.dll msacm.voxacm160=vct3216.acm MSACM.msadpcm=msadp32.acm [TTFontDimenCache] 0 4=2 4 0 5=3 5 0 6=4 6 0 7=4 7 0 8=5 8 0 9=5 9 0 10=6 10 0 11=7 11 0 12=7 12 0 13=8 13 0 14=8 14 0 15=9 15 0 16=10 16 0 18=11 18 0 20=12 20 0 22=13 22

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• i7 overclocking problem

  - by benwebdev

  Hi everyone, I've got an overclocked system that seems to be misbehaving. When trying to boot up from cold the system just hangs and nothing is output to the screen. Fans are on as they should but nothing happens to finish the boot. From here I have to switch it off then on again and the boot completes. If I go into the tweak menu in the BIOS I'm informed that a boot has failed I've been in touch with Overclockers UK support a bit and theres not yet been a solution. We've mainly been tweaking the voltage for the CPU. Any suggestions? I'm new to Overclocking which is why I got a bundle with OCUK. With this issue happening on Cold Boot too its tricky to test as I have to make a change then wait till the next day. My system is here: Intel Core i7 930 2.80Ghz overclocked to 4GHz Gigabyte X58A-UD3R (BIOS Version: FC) 6GB RAM Power Supply - CoolerMaster Silent Pro M series 700W One suggestion made by OCUK was that maybe its the power supply but I'm not sure and dont have a spare - it's brand new and a pretty expensive piece of kit. Any thoughts on this? Other recomendations for Power? thanks Ben

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• cpu load measure with hyperthreading on linux

  - by dronus

  How can I get the true usage of a multicore hyperthreading enabled cpu? For example lets consider a 2 core CPU, expressing 4 virtual cores. A single threaded workload would now show up as 100% in top, as one core of the virtual cores is completely used. The CPU and top work as expected, like there would be 4 real cores. With two threads however, the things get arkward: If all works well, they are balanced to the two real cores, so we got 200% usage: Two times 100% and two idle virtual cores, and are using all of the available CPU power. Seems ok to me. However, if the two threads would run on a single real core, they would show up as using two times 100%, that makes 200% virtual core usage. But on the real side, that would be one core sharing its power on the two threads, which are then using only one half of the total CPU power. So the usage numbers shown by top can not be used to measure the total CPU workload. I also wonder how hyperthreading balances two virtual on a real core. If two threads take a different amount of cycles, would the virtual cores 'adapt' so that both show a 100% load even if the real load differ?

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• 2008 Sever Randomly reboots.

  - by Jeff

  I'm out of ideas here. We have a 2008 Server that keeps rebooting 2-3 times a day at completely random times with an "Unexpected Shutdown" event. There are no Dumps, no events leading to it just like it loses power then comes back online. I ran a Diagnostic of the power supply and it has had continuous power for months. In addition, the temperature of the processors are maxing out at 40 degrees Celsius. Anyone have any ideas how to figure out why this is restarting all the time? This is a DMZed Web server so it doesn't do too much process wise. Here are the specs: Host Name: ~~~ OS Name: Microsoft Windows Server 2008 R2 Standard OS Version: 6.1.7600 N/A Build 7600 OS Manufacturer: Microsoft Corporation OS Configuration: Standalone Server OS Build Type: Multiprocessor Free Registered Owner: Windows User Registered Organization: Product ID: ~~~ Original Install Date: 5/27/2010, 4:25:47 PM System Boot Time: 2/14/2011, 5:35:01 PM System Manufacturer: HP System Model: ProLiant DL380 G6 System Type: x64-based PC Processor(s): 1 Processor(s) Installed. [01]: Intel64 Family 6 Model 26 Stepping 5 GenuineIntel ~1586 Mhz BIOS Version: HP P62, 8/16/2010 Windows Directory: C:\Windows System Directory: C:\Windows\system32 Boot Device: \Device\HarddiskVolume1 System Locale: en-us;English (United States) Input Locale: en-us;English (United States) Time Zone: (UTC-05:00) Eastern Time (US & Canada) Total Physical Memory: 4,086 MB Available Physical Memory: 2,775 MB Virtual Memory: Max Size: 8,170 MB Virtual Memory: Available: 6,691 MB Virtual Memory: In Use: 1,479 MB Page File Location(s): C:\pagefile.sys

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• Formatting an external HDD stuck at 70%

  - by mahmood

  My external HDD which is a 250GB WD (powered by USB) seems to have problem! Whenever i try to copy some files, it stuck while copying. I decided to format it. So I used windows tool and performed the format (not quickly) however at nearly 70% it stuck. Then I decided to perform a low level format with lowlevel. Again it stuck at 70%. I endup that the HDD has bad sector. So is there any tool that mark the bad sectors and bypass them? It is not very reasonable to through 250GB because of some bad sectors! P.S: I saw a similar topic but there were no conclusion there either. The smart data is Attribute, raw value, value, threshold, status Read Error Rate, 50, 200, 51, OK Spin-Up Time, 3275, 154, 21, OK Start/Stop Count, 2729, 98, 0, OK Reallocated Sectors Count,0, 200, 140, OK Seek Error Rate, 0, 100, 51, OK Power-On Hours (POH), 1057, 99, 0, OK Spin Retry Count, 0, 100, 51, OK Recalibration Retries ,0, 100, 51 , OK Power Cycle Count, 1385, 99, 0, OK Power-off Retract Count, 425, 200, 0, OK Load /Unload Cycle Count,12974, 196, 0, OK Temperature, 43, 43, 0, OK Reallocation Event Count,0, 200, 0, OK Current Pending Sector Count,23,200, 0, Degradation Uncorrectable Sector Count, 0, 100, 0, OK UltraDMA CRC Error Count,6, 200, 0, OK Write Error Rate/Multi-Zone Error Rate,0,100,51, OK It seems that the most important thing is this line Current Pending Sector Count,23,200, 0, Degradation Any idea on that?

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• How to diagnose occasional sudden resets?

  - by steve314

  I have a Windows XP system, and have recently upgraded by adding 2 1GB sticks of RAM to the 2x0.5GB already present. Since then, about once per day (the system is used 8+ hours per day), the system has suddenly and unexpectedly reset. On a couple of occasions, the system has frozen completely, only responding to the power button being held in for several seconds to force power off. Nothing at all ever appears in the system event log that might indicate a possible cause - everything seems to suggest business as usual. Sounds like faulty memory - but memtest86+ says otherwise. A full test, taking over an hour, found no issues. The next likely suspicion, then, is that I've knocked something while installing the RAM. Trouble is, everything I can think of to test seems fine. I've opened up the case and prodded a few things around, hoping to get better contact on connections etc, but there's no sign yet as to whether that has made a difference or not. I thought about a malware-related timing fluke, but again, so far as I can tell I'm all clear. All I can think of to add to my checklist (mainly of things that I can't easily check) is... The power supply is (1) only 350W, (2) not necessarily the best quality, and (3) powering a Prescott P4 640 3.2GHz. Could that be borderline overloaded or about to die? How do I check? Is it possible that the CPU isn't getting cooled properly? I haven't had the fan past normal tickover even doing video encoding, and the only sane temperature reading from SpeedFan is pretty steady at 36 celcius, so probably not. Any thoughts? Is there a standard procedure for diagnosing this kind of fault?

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• Philips Monitor problems - vertical lines on screen

  - by asdasd

  I have an old CRT Philips Monitor 17'' and it was working well. There were problems with the electrical power and the monitor started to make some sound and a smoke was getting out of it. I quickly switched it off the power, and in the morning when the power was ok i started the monitor and it appeared to be working and it worked for a couple of minutes when i find out some smell was coming from it, and after 5 minutes the screen i was working shut down and on the monitor some vertical lines appeared - and nothing else. I thought it was the OS, so i rebooted the pc and while it was booting i realized the monitor didn't show the bios info etc, but the same vertical lines on the whole screen were on it, sometimes their color was changing and they were blinking, but no screen appeared - only those vertical lines. After a day, the monitor was ok again - i turned it on and no there were no lines, everything was working fine. The same for the next 2 days. My question is: If anyone had ever had the same problem, can you help me ? THe monitor may be ok now but i am afraid it can get back those lines again. I don't know what to do, if you know please tell me whether should i take it to the service or not. Thank you.

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• Router startup problems

  - by gfmoz

  I have problems with my Tilgin Vood Router. As I try to start my router by turning the power on (captain obvious), it generally doesn't work the first 3-4 times. This is getting very annoying. Five minutes after turning the power on the router's signal LEDs don't blink in the way they should do in a connected state. I can connect to my routers web configuration interface through my PC connected to it via LAN though I can't access the internet. It usually takes the router five minutes to get to the point where it should be connected to the internet but as it doesn't work the first times. So I turn on my router 3-5 times, let him work 5 minutes and then suddenly, after turning the power off and on again it all works. I also have to restart my PC too in order for everything to work. How can I solve this problem? Just leave the router turned on all time? I prefer a daily IP switch, though. May the problem have something to do with my PC? There is another one connected to the router too and it doesn't work there either.

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• Router startup problems

  - by gfmoz

  I have problems with my Tilgin Vood Router. As I try to start my router by turning the power on (captain obvious), it generally doesn't work the first 3-4 times. This is getting very annoying. Five minutes after turning the power on the router's signal LEDs don't blink in the way they should do in a connected state. I can connect to my routers web configuration interface through my PC connected to it via LAN though I can't access the internet. It usually takes the router five minutes to get to the point where it should be connected to the internet but as it doesn't work the first times. So I turn on my router 3-5 times, let him work 5 minutes and then suddenly, after turning the power off and on again it all works. I also have to restart my PC too in order for everything to work. How can I solve this problem? Just leave the router turned on all time? I prefer a daily IP switch, though. May the problem have something to do with my PC? There is another one connected to the router too and it doesn't work there either.

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