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• Unable to create a Windows 7 system image of a failing hard drive

  - by Rahul

  The hard disk of my one year old T400 Thinkpad has started failing periodic hardware tests. I get a "Targeted Read Test Failed" error. The "SMART short self test" times out. I am now trying to create a Windows 7 System image of the hard disk but it fails without giving any specific error messages. I tried using Comodo Backup but got an error (code 101117) there as well. I have copied the important files in Dropbox but would like to take a full System backup as I have plenty of software installed on the machine. Does anyone know why this is happening and how I can take a backup of the system image ?

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• Mac failing (failed?) hard drive - is all hope lost?

  - by Daniel

  It's a 500 GB Seagate laptop hard drive that came with my Macbook Pro. Apple partition format. Already replaced and now have it external, connected via SATA/USB adapter. Trying to get just a few files that I worked on while out of town when it crashed (and thus did not have my time machine backup drive). Drive will not mount, but OS X Disk Utility detects it and can read the capacity, model number, and even the name of the partition, which leads me to believe all hope may not be lost. Failed attempts so far: Disk Utility verify+repair says drive cannot be repaired and that I should back up immediately (lovely) Disk Warrior says it cannot rebuild the directory due to hardware failure Data Rescue quick & deep scans immediately failed PhotoRec says "error reading sector" for every sector (at least for the few minutes I let it run before closing it to explore other options) What else can I try here? Again, I'm just looking for a few, small files (python scripts to be specific) - not a full recovery.

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• Windows XP freezes completely

  - by Max

  Lately my Win XP SP3 started to make problems. From time to time it freezes completely. Which means that the system does not react to mouse and keyboard. Keyboard led indicators also do not react to CAPS-, SCROLL-, NUM- LOCK keys. The problem is that I don't understand what causes this behavior and it seems to happen randomly. System event log also does not contain any clues. I'm thinking this could be some driver/hardware problem, but I don't know which. Are there any tools that would help me figure out the cause of this problem? Does anybody have any clue how can I fix this?

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• How to make a quiet laptop ? [closed]

  - by psihodelia

  Most modern laptops have very noisy fans. I am looking for a quiet laptop or a small stationary computer which has all its hardware built in a display. Most tasks will be pdf/docs processing, real-time audio processing, web-surfing and skype video chats. Certainly, there is no any fan-less model today; but maybe some of the existed laptops do not switch on their fans so often or implement different solutions? For example, an iPad has no fan at all and it is fast enough for my needs, but it has no normal operating system, so I can't use it for anything but audio chats and web-surfing. Or maybe I can buy a laptop and tweak it to make it absolutely noiseless? Can you recommend me any solution please? Thanks in advance!

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• Is it dangerous to add/remove a hard-drive to a Windows machine which is in stand by?

  - by Adal

  Can I add a SATA drive to a Windows 7 machine which is in standby mode? The hardware supports hot-plug. Could pulling the drive out while in standby corrupt the data on the drive (unflushed caches, ...)? Does Windows flush before standing by? How about swapping a drive with another drive of different kind (SSD - mechanical disk) and size, also while in stand-by. Could the OS when waking up believe that the old drive is still there, and write to it and thus corrupt it, since the new one has different partitions and data?

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• Need recommendations for a hardy scanner that has a robust feeder tray

  - by JohnyD

  In the early days of our company all our information came in on paper and all of what we sold was on paper. Because of this we literally rent our an old bank vault to house the millions of sheets of paper that, some say, still contain relevant information. That being said, I'm looking into purchasing some hardware capable of scanning all these documents and converting them to pdf. Being new at this level of digitization I would like to ask for recommendations for accomplishing this task. Most of this material exists as separate bound studies/articles/etc. Someone would have to remove the bindings and be able to load many pages at a time and have the scanner feed them all through and convert them to a single pdf (single pdf per study/article/etc). If you have any recommendations I would very much appreciate hearing about them, thanks.

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• IP not detected in terremark enteprise cloud server - how to install VMware on instance?

  - by JohnMerlino

  Using terremark enteprise cloud, when you create a server, you assigned an IP address to them and that IP is visible under Detected IP when selecting the server. However, I created a server, with IP address and I created an internet service and connected it with a node. I used protocol TCP and mapped it to port 3001. But I notice when I select my server, the IP address doesnt dsplay under Detected IP and then I VPN Connect, launch terminal and try to SSH with the IP to my server, and I get connection timed out. I presume the reason lies in that the IP address is not being detected. Someone suggested that my VMware-Tools is out of date and in fact on the server instance for VMware-Tools it does say "out of date". I'm not sure how to mount the instance and install VMware-Tools. I am using Mac OSX. Someone said that it will only work on PC running IE.

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• Uncorrectable machine check

  - by GregC

  I am experiencing rare but real unrecoverable machine checks on HP DL370 G6 dual-core Xeon server. I ran memtest86+ before, and ran CPU-intensive operations without any problems. In your opinion, does this indicate a real problem, or is it normal and expected behavior? How would you approach this problem? EDIT after some troubleshooting, it seems that these machine checks, as well as problems when showing device manager can be traced back to NC375i NICs. All is well when the NICs are not in the server. Further improvements to stability of HP Gen6 with Intel Xeon have been brought in with BIOS update in September 2013 HP Update DVD. Intel's newer microcode makes these CPUs much more stable. We haven't seen hardware-related BSODs since the update in September.

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• Does the size of the monitor Matter?

  - by Arsheep

  I have a old computer, and I want to buy a big LCD. The best I've found so far is Viewsonic's 24" LCD TFT monitor. So will it run without any problems, or do I need to upgrade the video cards or something as well? The computer is not too old: it has P4 board and celeron processor, with 128 graphics memory. And in display properties, it says that the maxium that I can use is 1280 x 1024 resolution. I am noob hardware-wise, so need help on this stuff. Thanks

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• Why does Ubuntu 10.04 not see my hard drives?

  - by CT

  I am trying to install Ubuntu Desktop 10.04 64bit to a new machine. mobo = gigabyte x58a-ud3r cpu = i7 930 ssd = Kingston 64GB V+ hhd = wd 1tb black When the installation gets to the prepare partions step, no partitions are listed. Drives are recognized by BIOS and WinXP setup sees them. I have also tried Ubuntu 9.10. It does not see the drives also. Just searching around I found a suggestion to select "no dmraid" in additional options screen. This did not seem to help. Any ideas?

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• Dead USB flash drive

  - by Unsliced

  So a friend has come to me with a problem. They have a dead USB thumb drive which no longer responds when plugged into a machine. I've tried it in a Mac and it doesn't even respond, at least on a Windows XP machine it sees that it is there but can't show it in explorer, just that whatever is plugged in has malfunctioned. There is obviously current because the activity light on the drive illuminates. I'm looking for suggestions, please. I have access to Mac or Windows hardware and am happy to experiment (and even to pay if the solution works!) It's a bit late to recommend regular backups, but in the lack of that, what's the next best forensic advice? Edit: I should stress that, if possible, we're trying to rescue the data, after all, thumb drives are basically disposable and hardly worth the bother if there's no emotional or functional reason for wanting to rescue it!

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• How to auto detect text file encoding?

  - by ???

  There are many plain text files which were encoded in variant charsets. I want to convert them all to UTF-8, but before running iconv, I need to know its original encoding. Most browsers have an Auto Detect option in encodings, however, I can't check those text files one by one because there are too many. Only having known the original encoding, I then can convert the texts by iconv -f DETECTED_CHARSET -t utf-8. Is there any utility to detect the encoding of plain text files? It doesn't have to be a 100% perfect correct, but it should recognize most of them.

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• Can I extend my total RAM by buying more, and what kind do I need to buy

  - by Xeon06

  I currently have 4 GB total RAM and I would like to get some more, to bring it to a total of 8 GB. Is it possible to simply buy another 4 GB and bring it to 8? If so, what kind should I be buying? There is a lot of different possibilities, DDR3, DDR2, clock speed, etc. I am kind of lost among all this. My current setup goes like this: ACER EG43M mainboard Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz 4 total RAM slots, 2 occupied by 2 GB sticks According to CPU-Z, my memory type is DDR3 (not sure how reliable that is) Full CPU-Z dump Windows 7 64-bit So basically, I want to know whether it's possible to extend my current RAM to get 8 GB total by buying another 4, and if so, what kind of RAM do I need? Note that I am not looking for shopping recommendations. I'm worried about the hardware compatibility.

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• Remote Desktop AND monitor fail on restart (Win2008R2)

  - by Wesley

  I am in the process of building a small 3 server farm. Each machine is running Window Server 2008 R2. As is normal, I am in the process of installing patch after patch to bring the machine up to snuff. Every time I restart the machine, or most every time, when I try to remote in to the machine I get the Log In window, but then almost immediately I get the message that my remote session was ended. If I physically walk over to the machine and plug in a monitor and keyboard, I see nothing. If I leave the keyboard and monitor in and restart the machine by force, the computer reboots just fine. When windows starts, I get no error message about windows not starting or being shut off unexpectedly. Once I log into the machine physically by the keyboard, I can then remote in to the machine at that point. Very confused. This happens on all 3 machines, these machines have different hardware.

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• WiFi Access Identification

  - by 100plus

  Is it possible for anyone to detect your IP address or particular location in a given area when you are accessing the Internet using their WiFi?

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• How to test which button is stuck

  - by Macha

  My laptop's keyboard is prone to buttons sticking. The fix is to just press the same button again. Now when it is the letter/number keys are stuck, it's just a matter of putting the cursor in a text field, and seeing what characters appear. However, when it is one of the modifier keys, or tab, or enter or a few other buttons, it gets harder to tell which key is to blame. Trying to type can result in all sort of shortcuts being triggered. Is there anyway to test what input is being recieved? Also, I'm guessing this is a hardware issue, but if anyone knows of any possible causes/solutions it'd be appreciated. It's a Dell Studio 17, and the problem occurs under Windows and Linux.

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• Windows 7 not detecting external hard drive but Ubuntu is detecting. Why?

  - by unlimit

  I have a 500 GB Toshiba external hard drive. Since yesterday Windows 7 stopped detecting it, however I do see it listed on the "Safely remove hardware and eject media" icon on the taskbar. Then I tried the same external hard drive on my Ubuntu and it detected it just fine. Ubuntu and Windows 7 are on the same laptop. I have dual boot. Can someone tell me why is it happening? Am I missing a driver in Windows 7? Additional info: This drive has worked perfectly fine in the past. I did not format this drive ever. It just stopped working yesterday in windows.

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• My laptop (Acer Aspire) doesn't want to start.

  - by Adi87

  I have an Acer Aspire 5520G and recently I had a big problem with it. A couple of days ago I was watching a video on the internet and my laptop froze. I had to shut it down after waiting a couple of minutes and when I wanted to restart it, it acted normally for 2 seconds then it restarts automatically over and over again. I can only shut it down by unplugging it. Nothing appears on screen. I think that it is a hardware problem. If you need further information please leave comment.

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• a pdf reader - please guide - a step by step guidence - reference to guidence-

  - by user287745

  have to make a hardware project using micro controller, memory, screens, etc. is it possible to make an independent .dpf / documents reader, which is capable of running on battery power.? please note dont want to use any technology which needs licensing all free wares readers etc and programing say assembly and c or flash or any. please help, have submitted proposal of pdf reader project (independent hardware), many say its impossible, wht should i do??

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• Questions a bout "interrupt"

  - by smwikipedia

  Could someone help me clarify the following conecpts, and the relationship among them? Maskable interrupt Unmaskable interrupt Hardware interrupt Software interrupt CPU INTR pin the IF bit of EFlags register Some specific questions: What's the relationship between Maskable/Unmaskable interrupt and Hardware/Software interrupt? What kind of interrupts does INTR pin detect? What kind of interrupts are enabled/disabled by IF bit of EFlags register? What kind of interrupts need the presence of an interrupt controller? Many thanks.

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• Curiosity beyond abstractions: how is bytecode executed? how do device drivers work?

  - by Yktula

  Everything I've seen on *nix has been a set of abstractions off hardware, but I'm curious as to how the hardware works. I've programmed in assembly, but that's still only a set of abstractions. How does a processor understand assembly opcodes (as bytecode)? How do device drivers work (with an explanation at a lower level (of abstraction))?

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• Curiosity beyond abstractions: how do device drivers work?

  - by Yktula

  Everything I've seen on *nix has been a set of abstractions off hardware, but I'm curious as to how the hardware works. I've programmed in assembly, but that's still only a set of abstractions. How do device drivers work (at a lower level)? How does a processor understand assembly opcodes (as bytecode)?

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• Low Power Speed Monitoring

  - by user555584

  I am aware of speed detection via gps, however as a background app, I am concerned about high power drain. I am looking to detect speed, say over 5mph, but it does not have to be accurate, say like a speedometer. Is there a low power way to detect if the phone is in motion, say by triangulation, or tracking tower strength and new/recently lost towers? I have an app design that is dependent on running in the background upon launch and knowing if the phone is in a car or not. Thanks!

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• Detect language of text

  - by Nikhil

  Is there any C# library which can detect the language of a particular piece of text? i.e. for an input text "This is a sentence", it should detect the language as "English". Or for "Esto es una sentencia" it should detect the language as "Spanish". I understand that language detection from text is not a deterministic problem. But both Google Translate and Bing Translator have an "Auto detect" option, which best-guesses the input language. Is there something similar available publicly, preferably in C#?

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• iPhone Pong Advanced Deflection Angle

  - by CherryBun

  Hi, I am currently developing a simple Pong game for the iPhone. Currently using CGRectIntersectsRect for the collision detection and as for the deflection of the ball when it hits the paddle, I just multiply the ball velocity with -1 (therefore reversing the direction of the ball). What I am trying to do is to make it so that when the ball hits the paddle, it checks whether how far is the ball from the center of the paddle, and increases the deflection angle the further the ball is away from the center of the paddle. (E.g. In this case, the ball will be deflected back at 90 degrees no matter where it came from, as long as it hits the center of the paddle) How am I suppose to do that? Any help would be greatly appreciated. Thank you.

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