Troubleshooting is a form of problem solving that uses logical, systematic steps to solve the problem.

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Mac Mini won't boot and won't fix

I have one of the original Mac Mini - a PowerPC one - that after the last software update will no boot - it gets to the grey screen and hangs their forever with the 'loading' icon rotating. I've ...
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2answers
698 views

Why won't my computer boot?

My computer was not booting any more (black screen, no beeps). I tried to remove the RAM and boot and again, black screen, no beeps. Does that mean that my motherboard is dead? I have an old ASUS ...
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1answer
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Is there any way to recover unsaved notepad++ docs?

I had to immediate shut down, and I lost about 20 unsaved tabs, is there any way to recover these?
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4answers
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Why are Microsoft based programs unable to resolve host names?

When I go to Google by IP I get: When I go to Google by domain name I get: This is confirmed by Windows Live Messenger: However, Firefox just works fine: When I do a DNS lookup I get this ...
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4answers
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PC freezes after repeated clicking noises

I have an oldish PC (Athlon XP 2200, WinXP). Every time I switch it on, I hear a loud "click" first of all, and when it is shut down, again a click is the last sound I hear. Lately it started to ...
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4answers
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“Show hidden files” option is not working

OK, I know this is the very basic thing that goes with Windows, but I am asking it here in search of answer. I put my pendrive and it autoruns. This changed the show hidden files option off, I mean I ...
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3answers
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What to do when machine fails a Prime95 stress test?

In an effort to diagnose the cause of random resets and freezes I have been running a series of stress tests on my two year old computer. Thus far the machine has passed nine hours of the Prime95 ...
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2answers
617 views

Why can I hear the cursor flashing on my screen through my headphones?

As well as just about everything else that changes on the screen, from loading a webpage, scrolling a window, typing, moving the mouse around, etc.? I have the headphones on, and I can hear it all. ...
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Why is notepad++ blocking my autohotkey shortcuts?

I have a series of keyboard shortcuts defined in my autohotkey script. Currently, none of them work whenever notepad++ has focus. The script is loaded as usual. The keyboard shortcuts (mostly stuff ...
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4answers
819 views

Mac OS X Leopard Kernel Panics getting absurd

Today Mac OS X kernel panicked twice on me. The first time, I got this log. The second time, I got this log. A few minutes ago, iTunes started sounding blocky, after quitting FireFox everything went ...
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3answers
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How can I be sure that the motherboard is dead and it's not another issue?

So I have and old computer with and Intel D101GGC motherboard and a pentium 4 cpu and award bios, with a long repeating beep and not passing POST. I tried: RAM checking, they are good and working ...
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4answers
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What is causing the atrocious performance of my Macbook pro?

I have a Macbook pro, both of which are evincing awful performance for day to day tasks. I'd like to know what is causing it, or failing that, how to diagnose this performance issue more effectively. ...
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10answers
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Desktop PC does not power up on power button

When I press the power button on my desktop, it does not power up completely. Before I press the power button, I see lights on the motherboard. Everything is normal. On power button press, the fans on ...
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3answers
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What is an XPerf alternative for Linux and Mac OS X?

XPerf is a tool that allows you to take a detailed trace of various system activity like CPU, I/O and more... Because of it's detail you can see stack trace counts, disk position offset graphs, ...
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4answers
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Can't access certain web sites - reset router, any ideas?

EDIT: This problem was resolved by my ISP - had to do with damaged fiber in one of their locations. Thanks to everyone that helped. Not sure if this is the right site (I'm a StackOverflow user) ...
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2answers
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Windows 7 and 8.0 bug: Network icon is marked as “no internet access”

When does windows mark network connection icon as having no internet access? I have internet access, but the icon says I don't. If I run troubleshooter, it finds no any problems. But the icon still ...
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3answers
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Troubleshooting new computer: shuts down instantly

everybody. I just built my own computer. This is the second time that I have done so, but last time I did so with a friend that was more knowledgeable than I am. The computer is built and everything ...
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3answers
508 views

Intermittent lockups, unable to diagnose in over a year

Here's a real doosie; I may just give my firstborn child to whomever helps me solve this problem. In July 2008, I assembled what would be my desktop computer for graduate school. Here are the specs ...
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4answers
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Dlink DIR-615 suddenly stops working - Orange internet light

I unplugged my Dlink DIR-615 router last night from the wall due to a storm rolling in. I've done this countless times, no problem. However, when I went to plug it in and use the internet today, ...
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5answers
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Copy and Paste from Virtual PC has stopped working

Up until the last week I was able to copy and paste text from my virtual PC (VPC) to my host machine, however I tried it today with no success...it doesn't error it will just paste whatever is in the ...
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3answers
4k views

Windows XP doesn't actually recursively change attributes

This should probably go into the question about Windows Annoyances, but can anyone explain why this happens, and how to fix it? I right-click on a folder, select properties, and uncheck the Read-only....
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1answer
13k views

How to set Windows Sound default settings for a device?

In Windows Sound settings, is it possible to set the default settings for a sound playback device, such as the speaker configuration (7.1 vs Stereo) and the "Default Format" (e.g., 24 bit 48000Hz)? ...
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1answer
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Windows 7 Explorer.exe incompatibility

On Windows 7 64-bit, the user is getting the following message when Windows logs in: The program or feature \??\C:\Windows\Explorer.exe cannot start or run due to incompatibility with 64-bit versions ...
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2answers
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Windows 8.1 Text Showing Up as Random Artifacts [duplicate]

I had this very random and very debilitating bug occur in Windows 8.1 today and wanted to document it so others can learn how to fix it and maybe someone knows how to prevent it that can provide some ...
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7answers
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Windows XP - Blue Screen

I have a Dell Latitude D810 I found in our IT storage in basement (computer graveyard) that I was going to use for parts, specifically the keyboard. When I found it, it had a note on it "Blue Screen, ...
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3answers
612 views

Building My First Computer And Suprise It Isn't Working

I've had many years of experience working on and around computers, but this was my first foray into building one completely from scratch. So far that foray has been a disaster. My rig is completely ...
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2answers
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Why does my laptop shut down on its own?

My laptop shuts down. It happened several times so far, and there is a pattern; after I leave it for an hour or so, power saving activates, and then I start using it again for 10 - 15 minutes when ...
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2answers
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Why does CPU Time for the System Idle Process increase *faster* than the wall clock?

My computer has been up for 30 min but task manager shows that CPU Time for System Idle Process at 1:30 plus. Every second it advances another 3 or sometimes 4 seconds. The machine is also running, ...
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1answer
11k views

Computer doesn't start when graphics card plugged in

Symptoms: after changing heatsink on graphics card, computer won't turn on when graphics card is plugged in PCIE slot. When I press the power button, fans move a little bit and that's it. The card ...
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10answers
2k views

Desktop PC not powering up

I have a DELL Desktop at home that's not powering up at all. When I turn on the power button there is no sign of a life, not even any lights turning on. Do you think it would be the power supply? Do ...
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1answer
684 views

Why won't Firefox recognize application keyboard shortcuts created in Mac OS X System Preferences?

I go into System Preferences, open the Keyboard & Mouse pane, and create keyboard shortcuts for various Firefox menu items in the application keyboard shortcuts section. When I load Firefox, the ...
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0answers
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Fixing a broken NTVDM

Problem: About a week ago, the NTVDM on an XP installation broke. Symptoms: The first symptom was that a 16-bit executable that is run during an auto-run batch file would hang and peg the CPU at ...
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3answers
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Best way to determine source of home network slow downs?

I have a cable modem with a standard Linksys wrt54g wireless connection attached to it. There are about eight wireless devices in the house attached through this network. The devices include a Mac, ...
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3answers
37k views

Where can I download Microsoft VC80.CRT version 8.0.50608.0?

I've just installed Microsoft Office Home and Student 2007 in Windows XP SP3 When trying to run MS word or any other office app (Excel, PowerPoint), I get the following message: this application has ...
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1answer
7k views

Stop Windows 7 from installing some updates which aren't working? [duplicate]

Possible Duplicates: Windows Update Failure Prevent Windows 7 from installing a “critical” updates that crashes the system. My parents Dell Zino (running 64-bit Windows 7) has ...
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1answer
728 views

How does a process “pick” which core to run on?

How does a program "choose" which core to run on? It was my understanding that the operating system determines which program gets processed on which core. APPLICABLE EXAMPLE Firefox has suddenly and ...
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1answer
4k views

Eee PC won't boot from USB

I have an Asus Eee PC 901. I want to install Win7 on it and at the same time, re-partition it into one large drive (it's currently complaining about HDD space issues). I've downloaded a Win7 ISO and ...
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3answers
6k views

WinTV PVR not working in Windows 7 (WinTV-PVR USB) [closed]

My Hauppauge WinTV-pvr USB does not work on Windows 7 Any ideas on how to fix this?
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2answers
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Toshiba P775-S7215 with a broken wireless button?

I'm troubleshooting a wireless connectivity problem on a Toshiba P775-S7215. The wireless seems to be stuck "Off". Pressing the wireless button (located to the right of the power button) causes it ...
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2answers
1k views

Video card not detected in POST on initial boot

I have a minor problem with my desktop computer after cleaning it out for dust. When I first boot up the computer, the video card does not get detected so I can't see anything. In POST, I'm getting ...
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3answers
3k views

Can't login into Fedora 14 (XFCE) desktop. For the second time

I'm experiencing a problem with my Fedora 14 XFCE spin, which doesn't seem to let me pass the login screen: I enter my password for my user record, authentication passes (no 'Authentication Failure' ...
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2answers
257 views

Figuring out which PC part is faulty

I have an odd scenario and I'm having trouble figuring out which is the faulty component. First of all, the video doesn't work, monitor says it's not getting a signal. Monitor's not faulty (works ...
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1answer
368 views

Laptop won't start

My macbook pro won't turn on. There's just no power... nothing. When I put the charger in, it acts strangely. The orange light sometimes turns into green. My laptop is new, so I highly doubt there is ...
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2answers
3k views

How to get an HP and Canon printer to work in Snow Leopard?

After installing Snow Leopard onto my Mac Pro, I found I was unable to print to either one of my printers, and HP LaserJet, or a Canon iR C3220-C1. So how do you get them to print again? I'm ...
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2answers
1k views

Windows 7 (64 bit) random crashes and lockups. Please help me troubleshoot the problem

The machine has been randomly freezing and crashing recently. It is a recently new build PC. Freezing The machine would lock up when left for a period of time and then take a long time to respond to ...
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3answers
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Why is my PC freezing in 3D games?

This is the follow-up for this thread. Since I wrote it I've done several testing but so far cannot get my computer to run 3D apps correctly. First let me quickly remind you the problem: my machine ...
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1answer
229 views

No sound after 5 minutes

I play a video and the sound stops working after 5 minutes. I launch a game and sound stops working after 5 minutes. Restarting the Windows Audio service via services.msc re-enables sound for ...
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1answer
422 views

Resizing a partition in GParted (or, how can I traverse 5 other partitions prior to expanding /dev/sda6)?

So, the traditionally adopted means of resizing partitions with GParted is to: Unmount all partitions (so, use a LiveCD) Right-click -> Extend partition Engulf selected partition in a flurry of ...
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1answer
2k views

Wireless very slow on one laptop on network, all other machines normal?

My new laptop (Acer Aspire Timeine 3810TZ running Windows 7 Home Premium 64bit) is acting very strange on my wireless network. Below are the issues I'm noticing... The connection frequently drops. ...
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How to prevent custom TOC styles from automatically updating

At times I want to rename heading styles to reflect document structure and TOC styles to remind me of mappings. Examples - Heading 1, Part - Heading 2, Chapter and Appendix - Heading 3, Section - ...