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

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0
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3answers
516 views

What can I do if my system crashes frequently? [duplicate]

I bought an assembled PC in June, 2011. The configuration is Intel Core i3-540 H55TC motherboard 4 GB RAM Hitachi 1TB hard disk XFX 5450HD graphic card and Samsung 22" monitor After only 2 months ...
0
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1answer
67 views

How do I troubleshoot the sound card?

My system was running fine, but I occasionally noticed that the sound output is "glitchy" and I decided to add a sound card. A friend gave me his old sound card from a system he is throwing away. I ...
0
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2answers
1k views

Why is my hard drive making weird noises after the power got shut down?

I think something within the hard drive is in the wrong place. Is it safe to open the 2.5 inch hard drive? Or is there something else I can do?
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3answers
48k views

How to find out my DNS Server address [duplicate]

Possible Duplicate: internet connection problem with windows7 What is the way to know my current DNS server address? My computer's operating system is Windows 7 and I am using a broadband ...
23
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12answers
13k views

Why are my hard drives failing?

I have a small Ubuntu server running at home, with 2 hard drives. There are two software raids (raid1) on the disks, managed by mdadm, which I believe is irrelevant, but mentioning it anyway. Both of ...
8
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3answers
22k views

wi-fi connection drops periodically for a few seconds

I've read the similar question on wireless connections dropping, but no answer seems to apply to my case I have configured the wi-fi lan of my router to broadcast sid and use WPA-PSK. Every few ...
3
votes
1answer
6k views

How to restore jump list for Windows Explorer pinned taskbar icon?

I pinned Windows Explorer's icon to my taskbar months ago, and all worked fine, including jump lists. Note: I changed the default Explorer's folder using the usual trick of changing the GUID in the ...
8
votes
4answers
48k views

Partition table corrupted (USB flash drive)

It's an 8 GB Patriot thumb drive, which I've used extensively with lots of data. Today, it is detected, but all data is gone: (EDIT at least some data is still there, but the partition table is gone) ...
7
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1answer
6k views

How can I view the call stack of a running process/thread?

Someone asked me to get a call stack or stack trace of a running process so that he could analyze it for me. How can I get that information?
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2answers
4k views

Troubleshooting slow Wi-Fi performance writing to NAS

Setup: a Late 2007 MacBook Pro, running latest OS X 10.6, connects via Wi-Fi access point, ASUS WL-330gE to AFP share on NAS Synology DS508 running under latest DSM 4.0. When doing rsync from the ...
3
votes
2answers
15k views

Best way to troubleshoot intermittent network outages?

We have a Comcast 50/10 line into our office. We keep seeing very short but sometimes frequent drops in our internet service. It's enough to kick you off of skype and stop any websites from loading, ...
1
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2answers
689 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 ...
1
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3answers
5k views

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 ...
6
votes
4answers
2k views

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 ...
5
votes
4answers
17k views

Keyboard not working after upgrading to Windows 10

I have a lenovo z500 series laptop.. I've been using windows 8.1 up until now and my keyboard worked fine no problem but today i upgraded to Windows 10 my keyboard ua not working now... I checked ...
5
votes
3answers
5k views

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 ...
5
votes
4answers
2k views

100% Finder CPU usage

Randomly, I wasn't doing anything specific — my system starts getting sluggish. I check the activity viewer — wow, Finder is at 150% CPU! This is what I have tried so far: Trashing ...
5
votes
4answers
2k views

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 ...
5
votes
4answers
6k views

“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 ...
4
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3answers
1k views

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 ...
4
votes
3answers
2k views

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 ...
4
votes
4answers
814 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 ...
3
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4answers
6k views

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. ...
3
votes
5answers
29k views

How can I solve Canon MX870 printer only printing blank pages?

I have a Canon MX870 printer which I have connected to a Windows Vista laptop via a USB connection. Whether I print or copy, the result is the same: blank pages. The result is the same when I use a ...
3
votes
3answers
6k views

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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10answers
10k views

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 ...
2
votes
4answers
11k views

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) ...
1
vote
2answers
18k views

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 ...
1
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3answers
2k views

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 ...
1
vote
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 ...
0
votes
1answer
2k views

VLC Media Player - Extremely long delays before some DVDs play / show any menu

With some DVDs there's a long delay before a movie begins. No menus, nothing. With a couple of movies it's an extremely long delay (For example Hollow Man finally shows a menu after about 7.5 minutes ...
0
votes
1answer
1k views

Wifi signal changes over time

I have a trouble about my wireless router signal. My laptop is 25-30 feet (~8 meters) away from the router. There are two walls between them. Windows reports signal strength is two bars, and inSSIDer ...
0
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4answers
87k views

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, ...
8
votes
6answers
26k views

Why does restarting/resetting the router work?

So, I'm a technology guy and sometimes I have to troubleshoot a home network, including my own. I make sure the wires are in securely and that the lights suggest there's an actual internet connection. ...
7
votes
5answers
12k views

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 ...
5
votes
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 ...
4
votes
1answer
721 views

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?
4
votes
1answer
12k 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)? ...
3
votes
2answers
3k views

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 ...
3
votes
1answer
2k views

Diagnosing Random Computer Freezes [duplicate]

I bought a desktop computer a few months back. About 3 months ago it started freezing at random intervals, sometimes as much as 2-3 times per day, other times as little as once per week. The specs are ...
3
votes
2answers
3k views

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, ...
3
votes
1answer
1k views

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 ...
3
votes
3answers
605 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 ...
3
votes
2answers
13k views

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 ...
3
votes
7answers
1k views

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, ...
2
votes
1answer
88 views

Why does computer hangs everyday?

My Linux computer hangs every day (sometimes twice a day). It also hangs my home network until the Ethernet cable is unplugged or I reset it. I can`t find any severe exceptions in log. This computer ...
2
votes
0answers
2k views

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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
1answer
679 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 ...