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• How to create an UEFI bootable USB stick from an ISO

  - by shiin

  I have an ISO image of my backup solution's recovery cd. When I burn the image to a CD-ROM, I can boot from it in UEFI or normal mode without problems. Unfortunately, this is no solution for my laptop, as it does not have an optical drive. Thus, I tried to create a bootable USB stick that can also boot in UEFI mode, but so far I have not been successful (note that the laptop has UEFI and boots Windows 7 in UEFI mode). So my question is, if anyone knows how I can get said ISO on my USB stick so that it boots as if I would use a CD-ROM?

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• Wake up and record in Windows Media Center on a Mac Mini

  - by Sir Code-A-Lot

  I'm currently considering buying a Mac Mini to use as a media center. I plan to install Windows 7 (or 8) on it, using Boot Camp. Will it be able to go into standby or hibernate (S3, S4?) and wake up to record TV scheduled in Windows Media Center? I haven't been able to find concrete information on supported standby types when running Windows under boot camp, and if Windows will even be able to wake when a recording should start. I just want to be clear on any limitations in this area before I buy anything.

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• What is the main reason of adsl modem/routers dying ?

  - by ldigas

  The other day my home adsl modem/router (dwg 684t in this case) died. A guy from the telecom company came, brought another so no problem in day to day operation, but he also left this one. Now, I'm interested ... it didn't fall, it wasn't electrocuted ... but it just doesn't work. What could be the problem ? Can they be fixed ? Is it worth it (in which case I would have two which is always nice) ... What are the usual problems that occur with them ? In this case, I can connect to the router, I can see its settings, I just can't connect to the internet. With the new one everything works. Weird. Edit: Additional question: Can those things be fixed ? I mean, is it worth giving it to a local tinker for him to experiment on it ? I'm not looking for a definite opinion, just your personal advice ... (although in the end I think I'm gonna archive it in the "cylinder register")

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• How can I make Windows XP bootable again?

  - by Scott Severance

  Some time ago, I replaced my hard drive. Foolishly, I imaged the individual partitions, not the entire drive. That meant that my system was unbootable. For my primary OS (Linux), that was no problem as I could simply re-run GRUB. However Windows XP remains unbootable. The machine in question is a netbook which doesn't have a CD drive or a restore partition, so I can't boot from a Windows CD and run fixmbr. How can I fix Windows? Here's a picture of what I see when I try to boot Windows from the GRUB menu: I don't actually have an XP CD, since of my two machines, the netbook in question has neither a restore partition nor a CD, and my other XP machine only came with a restore partition. So I'll also need a way to get hold of the necessary files.

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• Is it normal for an AC adapter to drop voltage if it's not used by a laptop?

  - by leladax

  I'm currently investigating the livelihood of a laptop adaptor and I noticed, unlike another adaptor it drops voltage to almost zero after I also attempt to measure its current [while it did show voltage at first, before measuring current]. The other adaptor normally shows voltage and then normally shows some current and then if it turns to measure voltage, it shows it normally again. I assume the adaptor is faulty, however, I want to make sure if laptop adaptors turn off themselves if they aren't used normally by a laptop.

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• How to tell which physical disks have bootable MBR?

  - by Jon

  The computer I am using right now has 6 physical disks attached. Using the BIOS's "select boot device" functionality I have discovered that I can boot off 3 of these disks into the exact same bootloader. This means that all of these disks have the bootable flag set on their MBR, even though I had been under the impression that only 2 of them are in fact bootable. My question is: is there an easy way to check which disks have a bootable MBR with a command line tool or some OS utility? I am aware of the DISKPART tool and its basic functionality, but I haven't found how to view the information I need. The OS is Windows 7 x64 Ultimate with SP1.

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• Issue with Toshiba Satellite C50 A-1JM

  - by Nathan Hawkes

  I am having some odd problems with my Toshiba laptop. For the last two days, it has not loaded past the boot screen for hours, if at all. When I force the laptop off and switch it back on, it goes to the Preparing Automatic Repair process but will not complete the process and go to the desktop. However, this only happens when the battery is plugged in. When I remove the battery and run the laptop on power, it works without issue. Would this be a battery issue (given it works without the battery) or a hard drive issue (given it won't get past the boot screen)? If neither, what would you suggest as a solution?

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• PC boots on then off & 30 sec. later on again, it wiil shut off on itself mostly in idle or just unexpecticly

  - by Jody

  This problem started w/ my sons desktop, it would just shut off after a bit of work or stay on for a long time & to get it to unfreeze is to cold boot it, i put a new HDD in & I still have the same issue, RAM is good power supply fan is moving quite as well as all the rest of the fans it has stayed fairly dust free, i'm at a loss ,I have defaulted all the factory settings changed battery & ungraded to a new OS. I still have the same problem. the power light stays on after it has shut down & when upon starting it goes straight to safe mode option page, I start in last good config. reboots again takes 30 sec. to boot & will work again for a while, the only other thing I haven't tried was a graphic card replace, i'm onboard video now & have been.

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• Windows 7 Bootcamp to see data doubler SATA SSD in Optical Bay Connector

  - by bumble_bee_tuna

  Hi I purchased a OWC data doubler http://eshop.macsales.com/item/OWC/DDAMBS0GB/ ... Long story short it lets you add a second HD to your macbook pro in place of the cd/dvd drive (which is useless anyway, impossible to get stuff out when stuck). My current setup is 600gb intel SSD bootdrive 100gb partition for OSX / 500gb for Windows 7 Prof from Bootcamp (use 99 % of time). My desire is to have a second 300gb SSD to run disk intensive VM's off of. So I added a second 300gb intel SSD (again, NO desire to boot off of) on the sata optical port. I can see the drive no problem if I boot in to OSX, however, can't see it in disk management on Win7 ??? Any ideas similar experience ... Funny thing is I can see it in "Device Manager Disk Drivers" but not Disk Management ??? Also no I don't want to use Fusion/Parallels this is a waste of resources for me.

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• Gigabyte GA-Z77X-D3H MB problems

  - by Hans

  I installed a new system last week. I've some issues with it. The system consists of a: Gigabyte GA-Z77X-D3H with F9 BIOS (latest) Intel Core i5 3570K proccesor Sapphire Radeon HD7850 2x 8GB Corsair 1600MHz memory OCZ Vertex 2 120G SSD Connected peripherals : 2 Samsung 940BF (1 via DVI on GFX card, 1 via an Displayport to DVI adapter) 1 Dell U2312HM monitor (displayport) Dell USB Hub (monitor) Wired mouse, wireless keyboard (logitech) Logitch G25 wheel Canon MP800 printer Okay, my issues are the following: if I plug in 1 or more monitor at DisplayPort during boot, most of the time it won't boot properly. I get an empty message screen of UEFI: only the header GIGABYTE DUEL BIOS appears. The system reboots itself, turns on for a few seconds (no video) and then reboots again. Now it starts all over again. This repeats until I remove all displayport monitors. Windows boots, and I can use them when I replug them. The graphics card has been running fine for a few weeks on an older system (intel Q6600). Another issue is; if I plug in my G25 steering wheel, the UEFI BIOS is inaccessible. It either gives the same empty UEFI screen, or the BIOS screen is rendering but crashes half way (so pieces of text and graphics are missing, and it has crashed). If I remove the G25, all is fine. To verify the graphics card is OK and the motherboard is causing these issues, I tried an NVIDIA 8800GT graphics card. This hasn't got Displayport, but it also cannot boot the BIOS with the G25 wheel plugged in. The PC also refuses to go into or out of standby. It just hangs when going into standby, and in other occasions (when it does succesfully do so) get out of standby. Power supply is OCZ StealthXStream 600W. Proccesor is 25 - 30C idle, ~55C stressed (Scythe Mugen 2). I am really puzzled what can be done to resolve this. I am not really waiting for an RMA request (otherwise I will return the MB for another type), because it will likely mean I have to wait very long before I get a replacement. Anyone else with a similar experience on this board/chipset or can help me troubleshoot this?

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• Bootable ISO to USB stick xp wuickest method

  - by brux

  My dog took a leak on my PC when I went out (ye funny), now it reandomly restarts - im convinced the HDD is failing because the Windows seagate diagnostic program fails on a few tests. I want to run this prior to windows in an attempt to try and recover sectors, the program includes an iso which can be written to cd and booted, but i dont have any cd's. I tried using unetbootin to create the bootable usb from the iso file (SeaToolsDOS222ALL.576.ISO) but it doesnt work. When i boot from the usb hdd unetbootin loads with "default" in the menu. No joy booting though. I checked the usb hdd in windows and all the files are there, extracted from the iso file, wont boot though. Any ideas? Im using windows xp, or

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• my WD Mybook wd5000h0032 is DEAD?

  - by Herudae

  Hello, i have a WD Mybook Premium (wd5000h032) it used to work just fine but suddenly i can't access to it. The blue lights turn on but the drive doesn't start, it makes no click, nor any other sound, it just like if it was disconnected from USB, of course my PC doesn't detect it, i've tried with trhee different USB cables two PCs and one laptop and nothing. Is it really dead? how can i recover the information stored there? i think the problem could be the case, if so, could i take out the disk and connect it as an internal drive? or could i buy another case?

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• How can something relevant to graphics completely kill a motherboard?

  - by leladax

  I was coding something in OpenGL and after a bug there was an 'OS slowed down' situation. After a few seconds the screen went blank and the laptop shutdown. Now not even a led turns on battery or not. It doesn't appear to be the AC or the battery since there was some battery when it died and when it's connected to the AC the laptop produces near the AC connection a very slight 'clicking' noise (very faint, one has to be very careful to notice it, I don't know if it was there forever tbh). I suspect the motherboard died, as in something from the point it gets AC or battery power and the point it actually feeds itself. But I can't figure out how that effect was produced by the OpenGL bug or graphics overheating. If the graphics died alone, it should at least give some indication that the laptop is barely alive, at least a led, a sound, anything, the laptop is instead completely dead (other than faint 'clicking' I mentioned). Does anyone have expert advice on this? I'm especially interested in any ideas connected to "graphics overheated/bugged ---- they killed motherboard". I have a very lengthy experience in that stuff as a hobbyist and it really puzzles me. It's not just a "AC died" situation I can easily google.

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• Removing a malware that sets up as a system driver

  - by ereOn

  Hello, I recently tried to fix up my mother's computer which has some serious malwares. One of them apparently registered itself as system driver (tjbijkoq.sys if that can help) and after running a malware suppression tool, the computer won't boot anymore, complaining about a "critical driver that is missing". I think deleting the matching entry in the registry would just solve the problem, but obviously I can't boot up the computer (even in safe mode) to fix it. Do you guys have any experience with such an issue and how to solve this ? Thank you very much. The operating system is Windows Vista 32 bits Professional

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• How can I run 2 already installed OS at the same time?

  - by eran

  I have Win7 and Ubuntu installed on my PC, and I can choose which to run at boot time. I would like to be able to run the Ubuntu from within the Win7. Tools like VMWare allows one to create a new installation of a guest OS, which could then be run alongside the hosting OS. However, I already have the Ubuntu fully installed on my hard drive, and I'd like to maintain the dual boot option. Ideally, I'd like to be able to create a new virtual machine on my Win7, but instead of installing a new guest OS, just direct it to the existing installation. Is that possible?

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• Booting a GPT USB key on older BIOS laptop

  - by fonix232

  I have an old HP EliteBook 8530p, which does not support booting from GPT USB (GPT HDDs are fine though). Lately I had the wish to have a fast-to-start OS for browsing, smaller web tasks, etc., so I grabbed a ChromeOS build (latest one by ArnoldTheBat), flashed it on an 8GB flash drive, and popped it in. It did not boot, so I dug deeper and discovered that it actually is GPT, and cannot be converted to MBR. As my laptop does not support UEFI booting from USB (there's a really-really beta UEFI support in the BIOS, but as I said, it only supports GPT hard drives, not USB devices), I'm stuck. Is there any way of booting it, say, another flash drive with a specific boot loader/manager (e.g. Plop)?

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• Please help to troubleshoot the issue with Inspiron 8600 laptop

  - by user34300

  Hello! I have a Dell Inspiron 8600 laptop which display stopped working all of the sudden. It started to show a purple fog pattern along with some color vertical lines. I talked to Dell support and they told me that is a screen gone bad and I should get a new one which I did. But surprisingly the new display won't work either! The pattern on the screen is different but still no picture. So I tried to connect the old display to another laptop (Lenovo Z61) and it turns out it works just fine with it! So please help me to identify the cause of the issue. I think it could be a video card but the external display works flawlessly. I appreciate your thoughts about it so I won't need to buy spares which I don't need. Thank you! P.S. Please do not suggest to contact Dell support again.

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• Laptop automatic shutdown after 2 seconds

  - by leladax

  I'm trying to insvestigate which component produces this behavior. Other indications show it may be the GPU but I wonder if anyone knows more. It's a Toshiba Satellite X200 description: AC power shows the power being fed normally, when turned on the fan works and it appears to be starting up but after 2 seconds it shuts down with only the 'AC power connected" led on. -- seconds are about up to 4,maybe not 2 exactly.

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• What determines the time to first ping response in an OS?

  - by Stuart Woodward

  When a server (say Windows, Linux) is rebooted, it will take some time to respond to ping. I'm assuming that the software firewall has to be up before pings will be returned as there might be a setting to disable ping responses. Everyone knows that Windows and Linux have have totally different architectures so lets treat them separately. The answer I'm looking for is "After XXX is running, pings will be returned." It would be helpful to know where in the boot order this is too. i.e. at the start or end. I ask because we get questions from a customer about why it takes so long to respond to ping after creating a Virtual Machine. I'm sure this is just an artefact of the OS boot behaviour.

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• Where can I SPECIFICALLY find a place that sells TOSHIBA QOSMIO F30 videocards?

  - by Manny Irizarry

  Where can I SPECIFICALLY find a place that sells TOSHIBA QOSMIO F30 videocards? I need to replace mine for the 3rd time. Two video cards have blown out before because I had a fault, NVIDIA video card software driver installed that they had too many compliants that it was telling the fan that keeps the video card cool to stop working. I had finally discovered why my video cards were blowing out after the 3rd time. So again, please my people, where can i specifically find one?

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• Script errors when run by launchd at startup, but not when run in Terminal

  - by Mechcozmo

  I'm attempting to create a RAM disk that loads the previous contents when the system starts up, and every six hours writes the contents to a disk image. Currently, when you run the script from the terminal ("sudo bash LogToRAM.sh") everything works fine. But when run from launchd during startup, it doesn't work. Here's the lines from the log; the first line just gives some idea as to where in the boot process we are: SecurityAgent[202] Showing Login Window com.mechcozmo.LogToRAM[51] + /Developer/usr/bin/SetFile -a V /Volumes/LogfileRAMdisk com.mechcozmo.LogToRAM[51] ERROR: File Not Found. (-43) on file: /Volumes/LogfileRAMdisk com.mechcozmo.LogToRAM[51] + /usr/sbin/asr -source '/Library/Application Support/LogToRAM/RAMdisk_store.dmg' -target /Volumes/LogfileRAMdisk/ -noverify Here is the script and plist file in question. Note that 'set -vx' is up at the top of the script; it give a lot of information about what is happening in the script. My current theory is that the /Volumes directory does not exist at this stage of the boot process, but that seems unlikely to be honest.

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• What are the essential tools you always have handy when attempting to fix someone's PC problem?

  - by Mark

  Specifically, I'm interested in knowing what tools you keep loaded on your thumb drive when asked to deal with a family member or friend's personal computer issue? Off the top of my head, I can think of things like: AVG Advanced WindowsCare SpyBot etc. ...but this question is not necessarily limited to virus/malware/spyware issues.

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• Hard disk permission after bootcamp ??

  - by Sladiki

  Hi all, I have a question concerning hard disk permission after Using boot camp, i have a macbook pro 17 i7, 500gb, yesterday i installed window 7 ultimate in 80 gb (bootcamp) ntfs offcourse. I was testing my HD permission since i found that the start up is slow in mac side. I found there's alot of changes in permissions is that normal or i should to repair all this permission problems, need to mention that from Windows side i can see my mac drive which i don't want... Any idea... Regards, Sami

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• Computer freezing while watching Flash videos from net

  - by t3st

  I have a Windows 7 home basic, while watching videos from net (within 5 minutes) computer starts to freeze and shows 100 percent CPU usage. I first thought it's a browser issue but watching videos from different browsers also has the same issue. My system runs the latest Firefox browser and all my plugins (including Flash) is up-to-date. After this when I shutdown/restart the computer it will go to the login window with out any problem. From there when I tried to log in to any account, the system starts to freeze and again I have to start and run Windows in safe mode (which doesn't show any problem). I read it in an article to do these steps CMD->sfc/scannow chkdsk after that only my system works normally, even now I can't watch any videos on the net otherwise it starts freezing( I can watch downloaded videos in computer without a problem) and have to do the whole process once more (which takes a lot of time). while running sfc/scannow its showed results that some of the files are corrupted and it could not be repaired. Can this be the cause for freezing of my computer while running Flash videos? or is it a hardware related problem? What different steps do I have to take to correct those corrupt files? System restore works only some times.

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• What causes Mac OS X Permission errors?

  - by Matthew Savage

  This is out of interest rather then looking for a fix to a problem. What actually causes permissions on Mac OS X Systems to become messed up? Its an easily fixed problem (i.e. there's a quick and easy fix via Disk Utility) but its something I'd encountered a few times doing support in a Mac-reseller store without actually understanding the causes. I'd guess that part of it is due to some applications not playing nicely, but what else might be the source of this issue?

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