Repairing is the process of fixing any sort of problem that arises out of a situation. It usually refers to mechanical or electrical systems as well as any other type of computer or physical infrastructure system.

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51
votes
4answers
66k views

How can I fix/repair a corrupted PDF file?

Does anyone have any recommendation or procedures for repairing a corrupt PDF? When I open the file I get "There was an error opening this document. the file is damaged and cannot be repaired." ...
29
votes
7answers
211k views

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

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 ...
29
votes
4answers
31k views

terminal tool (linux) for repair corrupted zip files

I've a corrupt zip file. I've tried to repair it with zip -F file.zip and zip -FF file.zip but was not successful. Is there another terminal tool under Linux for repairing?
25
votes
3answers
55k views

How to open and repair an m4v or mp4 video file?

Yesterday I was filming a scene with my phone but suddenly the application crashed and when I try to open the m4v generated it says that is corrupted. I have downloaded the video files (around 36MB) ...
22
votes
3answers
9k views

Is there a tool that can detect (and if possible, fix) glitches in MP3 files?

My collection contains some MP3s which have some glitches like: displaying the wrong duration on loading minor jumps suddenly ending despite the duration claims another minute remaining noise I'm ...
21
votes
35answers
5k views

What do you put in your computer repair toolkit? [closed]

Most of us "superusers" are regularly asked to fix computers for friends or family. To improve my chances of repairing a PC (or at least recovering important data) on the spot, I would like to ...
20
votes
6answers
75k views

How to discharge static electricity before opening a computer?

Before opening a computer, I often hear advice to touch something that is "grounded" - a computer case for example, or a heating element - to avoid damaging the sensitive electronic equipment through ...
12
votes
6answers
28k views

How can I repair a broken AVI file?

I have an .avi file that is about 110mb. When I try to play it with VLC Media Player it says something like "This file is broken. Attempt to repair?" and after it does its thing it is still unable to ...
12
votes
4answers
3k views

Legality of using a burned CD with a legal CD-Key? [closed]

I have a friend that keeps a collection of burned Windows CD's; 2000, XP, Vista which he uses to repair peoples computers with. Now he justifies this by saying he uses the CD-Key on their OEM sticker ...
12
votes
8answers
148k views

How to fix corrupted filesystem (shows as RAW) in USB device?

I would like to ask if you know how to fix a corrupted USB? I've tried the diskpart command but it didn't work. The media is write protected. Do you have any idea that is much better? I need to fix ...
10
votes
4answers
4k views

Fixing bent pins on a CPU

While replacing a mainboard in a desktop machine (see related question), I did something stupid. I inserted the CPU into the new mainboard, but didn't check for the right position. When it didn't ...
10
votes
3answers
42k views

How do I tell Windows 7 to never Launch Startup Repair

I have a Windows 7 (64-bit) virtual machine that I primarily remote desktop into. Sometimes on boot something goes wrong and it displays the following DOS screen: Windows ...
10
votes
7answers
23k views

How do I repair my Logitech Anywhere MX?

My Anywhere Mouse has got mushy mouse button syndrome. That is, the left mouse button feels a little bit soft, and it easily double clicks, let's go when I drag something. Before I repair it at home, ...
10
votes
6answers
96k views

Unable to Repair Disk using Mac OS X Disk Utility

My wife has been complaining about her MacBook Air's performance. It seems to work fine, but when I ran Disk Utility and did a "Verify Disk", it reported filesystem errors. The "Repair Disk" button ...
9
votes
2answers
15k views

FAT filesystem - bad superblock

Last night my android phone said it can't read the SD card and it wanted to format it. I pulled it out, put it in a card reader and tried to mount it on my desktop pc: $ sudo mount /dev/sdb1 tmp [...
8
votes
6answers
4k views

What type of Multimeter is safe to use on computers?

In "Upgrading and Repairing PC's - 18th edition" by Scott Mueller on pg. 1278 he discusses multimeters. "You should only use a DMM (digital multimeter) instead of the older needle-type multimeters ...
8
votes
1answer
22k views

How to cancel Windows 8 drive repair

Windows detected an error on one of my nonessential drives in my desktop PC. It said it needed to reboot to fix the errors, so I rebooted and it started scanning the drive. However it is taking a very ...
7
votes
3answers
15k views

How do I repair a mechanical keyboard?

I have several DataDesk Smartboards which I love. Some are starting to go bad (keys repeat inappropriately, don't have any effect, etc.), and this keyboard isn't available new any more. They use ALPS ...
7
votes
4answers
65k views

How do I repair a broken .mov (QuickTime) file?

I have a video file (.mov > QuickTime) which was recorded with a VHoldr ContourHD camera. One of the problems with this camera is that when the battery dies, it doesn't terminate the video file ...
6
votes
8answers
9k views

How to troubleshoot a computer not booting up when powered on?

I can turn on my computer and sometimes it will boot up just fine. After a while of use, days or even a week, when I try to turn it on, it powers up, in that the fans spins up, the power indicator ...
6
votes
3answers
2k views

Which Linux LiveCD is best in general use for fixing windows boxes?

Story: At our University, the tech help desk is decidedly low-tech. Virus outbreaks are frequent and users, of course, haven't backed up. Recently I pulled out a Linux LiveCD (Mint 8 for the curious) ...
6
votes
1answer
507 views

Remove Possible Smoke Damage from a Desktop Computer

I had a fire in my house last week. I have several home brew computers that look like they have not received any actual fire or water damage. I've heard that the acidic qualities of the smoke may ...
6
votes
2answers
15k views

Can Windows 7 be repaired to run with new motherboard?

I have HP computer and it came with Windows Vista. It also had an option to upgrade to Windows 7 via upgrade disc. I have upgraded to Windows 7 via the special upgrade disc (It is special because it ...
5
votes
3answers
5k views

Dell u2311h Monitor gone bad, which capacitors do I replace?

I have 3 u2311h monitors in an eyefinity setup. For aesthetic purposes, I do not want to replace the faulty one with a newer u2312hm. The problem with the faulty one is as follows: For the past few ...
5
votes
2answers
3k views

Holding down the power button on a PC while disconnected from power

Many times I would call tech support, and they would say turn off the laptop (take out the battery, hold down the power button, and try turning it back on. I have always wondered what purpose this ...
5
votes
1answer
1k views

What causes Mac OS X Permission errors?

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 ...
4
votes
1answer
8k views

Live tools for hard disk check, repair and reformat

In the old days, I had a floppy with CHCKDSK and other tools for checking hard disk failures, repairing them and, if necessary, reformating them. I recently tried to reinstall XP on an old computer, ...
4
votes
3answers
45k views

Repair Ubuntu installation

I accidently uninstalled (apt-get purge) lots of important system stuff, including gnome dekstop and whatever-is-responsible-for-internet-connetion, among other things. Is there any way to repair it? ...
4
votes
1answer
549 views

How to change microswitches (left/right “mouse button”) on Logitech G700?

I already have the new microswitches (left and right mousebutton). Seems like the original ones are for 10 Million clicks, my new ones are for 20 M - OMRON D2FC-F-7N(20M). That's just for whoever ...
4
votes
1answer
436 views

XP Pro repair CD - does Pro/Home disc matter?

I'm trying to repair an XP Pro install using the repair cd. The issue is a corrupted registry. Following the MS help center instructions, I made a batch file to replace the registry. It's not ...
3
votes
4answers
2k views

How do I rebuild the TCP/IP stack on XP?

Consider a computer has been hit with a spyware bomb and it has destroyed the internet connectivity in almost every way. (no ethernet, wireless, or dial-up) Because it would take forever to backup ...
3
votes
3answers
27k views

How to extract corrupted RAR files

I try to extract a file from set of .RAR parts. I always get the following error: Corrupted so I tried many programs to extract the corrupted RAR files. I have 10 parts, each one 400MB big. The ...
3
votes
2answers
728 views

Burnt SATA Drive

By stupid curiosity, I've connected the FDD power cable to the jumper pins of a SATA drive, and powered on the system. The SATA drives controller is now burned out. Can it be replaced, and still ...
3
votes
2answers
3k views

How can I turn off the login theme in Windows 7?

How do I turn off the login theme in Windows 7 so it looks like a Windows 2000/XP plain login screen? Like this:
3
votes
1answer
661 views

How do I fix “hard freezing” issue when running games?

About 3 or 4 day's ago, while my roommate was playing a game on my computer that I had played plenty before, randomly hard froze. After rebooting and trying the game again, the same thing happened ...
3
votes
1answer
3k views

Broken SATA HDD pin

I just bought a hard drive caddy for my Dell XPS 15" (L501X) laptop, but I just broke a pin on my hard drive when trying to install it in the caddy. Pictured here is my HDD and the pin that broke off ...
3
votes
6answers
14k views

Install Windows XP/7 without a CD drive when the BIOS does not support booting from USB devices

I have a computer that has a dead CD drive in it and it seriously needs a new installation of Windows (XP is on it now, but Windows 7 does not sound that bad). At first I tried making a bootable USB ...
3
votes
1answer
101 views

What exactly is a disk repair?

More specifically, when referring to MTTF, MTTR, and MTTDL I understand the disks sometimes "fail" so I was wondering what really constitutes a "disk repair"? And also, does anyone know what a repair ...
3
votes
2answers
2k views

Windows XP repair messed up my boot

I recently tried to run services.msc and I noticed it had vanished from my hard drive. So I had the great idea of looking up a windows xp cd, booting from it and selecting the "repair existing windows ...
3
votes
1answer
175 views

Help in recovering partition

Okay so i had one NTFS partition and i wanted to resize it, but while resizing it with partition magic some error occurred and now i am not able to enter in my partition anymore. I have slackware 13 ...
3
votes
2answers
1k views

Fix NTFS partition

Okay, so i was about to resize one of my NTFS partitions but suddenly the partition tool showed me an error and it crashed, so i was no longer able to use my partition - even when i tried mounting it ...
3
votes
1answer
6k views

Repair snapped USB flash drive

I have a USB Flash Drive that has had the USB connector snapped away from the circuit board. In the past I have had great sucess with soldering the connector back to the circuit board with 4 solid ...
3
votes
0answers
37 views

Accessible materials with same refractive index as polycarbonate [duplicate]

There is a common home-remedy for scratched flat-screen monitors that says to rub a bit of petroleum jelly into the scratch. The rationale being that because the jelly has a similar refractive index ...
3
votes
2answers
303 views

gitolite on an Ubuntu Server. {Broken install | Needs Fixing}

I recently had a friend install gitolite on my Ubuntu server, however when he did so, he setup the git user in the default /home/git, instead of where I would like... /var/git/. Several minutes ago I ...
3
votes
1answer
1k views

repair corrupted PDF

I have already looked at: Repair corrupt PDF and Rescuing a possibly corrupt PDF in Acrobat I tried ghostscript on both OS X and Windows. OS X gs gave the following error: GPL Ghostscript 9.06 (...
3
votes
0answers
2k views

How do I repair/recover “RAW” usb drive partition?

Something happened to one of my USB drives. When I connect it my computer, Windows thinks that it's "RAW", and asks me to format it. But it should be FAT32, and chock full of files. I looked in ...
3
votes
2answers
3k views

Why can't I repair my Windows XP installation? Partitioned [unknown] [duplicate]

Possible Duplicate: How to fix UNMOUNTABLE_BOOT_VOLUME (0x000000ED) on my Windows XP DELL laptop? I have a computer that I need to do a installation repair on. It's running a SATA drive and ...
2
votes
4answers
3k views

I can't activate xp after changing key

I decided to change my XP CD key to the one I just got from MSDN through my school. Since my install was OEM and my new key was retail, I booted to the retail cd, chose my install of XP, and hit R to '...
2
votes
2answers
1k views

How do I fix a Delphi installation when “repair” doesn't work?

I have lost many settings of the IDE, the IDE is not compiling, and other issues. I wanted to repair the installed product (Delphi XE2 Architect). But when I did this, the installer removed lots of ...
2
votes
3answers
3k views

What could possibly cause my computer to power down at random times?

I have recently bought a new Power Supply and a new graphics card. My PC ran smoothly for a few months now but since a couple of days I'm having a strange problem. I am trying to isolate the problem ...