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

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4
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2answers
2k views

Error: Couldn't update to Windows 8.1 preview. How to troubleshoot?

Trying to upgrade my PC, the process goes forward but in some point, it revers back to Windows 8.0. How can I troubleshoot the problem?
1
vote
2answers
173 views

How can a website determine my language preference?

How can a website determine my language preference (and wrongly, I might add)? When I browse to a site, it defaults to setting the site language to Afrikaans. I've never selected this before, nor ...
0
votes
1answer
760 views

How flashplayer works in firefox for linux : flash player installation troubleshooting

I am using Slackware 14 and I installed flash player as in this blog post http://goo.gl/A0Yxf. According to which I simply copied the "libflashplayer.so" provided by Adobe to the firefox plugin ...
1
vote
0answers
97 views

Wireless slows/disconnects ever since unplugging cable to external hard drive [closed]

Recently I bought a Transcend StoreJet 1TB external hard drive which I plug into a USB 3.0 port in my Dell Vostro 3550 laptop. This port is located near the wireless card. After the first time I ...
0
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0answers
2k views

Old Look@LAN software gives “No packet to read” log error; then won't ping

Yes, before anyone asks the question, I'm still using Look@LAN. It's the best free network discovery and resources program I've seen (but please, if you have suggestions for newer ones, let me know). ...
0
votes
3answers
982 views

Keyboard input stuttering and freezing

Last time I've noticed a problem that sometimes my keyboard input is stuttering and freezing for a few seconds; does this mean I have some keyboard hook buggy or gone rogue, or there can be another ...
2
votes
1answer
156 views

Diagnosing power supply failures

I had my power supply experience a catastrophic failure (distinctive crack and electrical discharge noise, electrical burning smell) not long ago. It had been in use for over two years before failing ...
2
votes
1answer
2k views

How do programs “decide” which network adapter to use?

In Windows, how do programs "decide" which network adapter/connection to use? I have dual ethernet ports on my motherboard. I usually only have one enabled, but recently, I've wanted to enable the ...
0
votes
1answer
105 views

How to isolate a software/driver or hardware issue

How does one go about isolating whether or not a piece of software/driver or a hardware issue is causing a problem with your PC? Or, how can you tell what combination of the two might be giving you ...
1
vote
2answers
454 views

HP Laserjet 200 prints Grey scale only

I have an HP Laserjet 200 colorMFP M276nw printer that only prints in grey scale. Even stuff like the supplies status report prints in grey scale, and the bar for yellow is really light, and cyan is ...
0
votes
1answer
5k views

CentOS 6.4 server no internet connection

I just installed CentOS 6.4 on my server. I've tried running sudo yum update and got the output Could not retrieve mirrorlist...snip...error was 14: PYCURL ERROR 6 - "Couldn't resolve host ...
0
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0answers
126 views

Do drive spin-down times have to be set individually?

In Windows, do hard drive spin-down times have to be set individually, per drive? I set the drive spin down time to 180 minutes through Power Options, as I'm tired of having to wait for drives to ...
0
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0answers
374 views

CD-Rom does not show up in My Computer

I have OptiPlex 755, Windows 7 32-bit, Intel Core 2 Duo. Just until recently I did not had to use CD-reader , so I did not even realize that I don't have CD-reader connected to the motherboard. ...
0
votes
2answers
55 views

Windows 7 (user error)

I have Dell Ispirion Mini 1012 with Windows Starter. User DELETED the "C:\USERS" folder. After RESTART, windows boots normally, but it gets stuck on the desktop, I can only access Google Chrome. ...
1
vote
2answers
649 views

In Firefox, what exactly does “Reset Firefox” do?

What exactly does the "Reset Firefox" function do in Firefox? (Firefox->Help->Troubleshooting Information->Reset Firefox) It says that things get reset to their default state -- is there a precise ...
0
votes
1answer
3k views

What caused the program to stop working correctly?

Error message "a problem caused the program to stop working correctly. Please close the program" I upgraded my computer from Windows 7 to 8 pro on my new Lenovo PC. Ever since the upgrad I am getting ...
0
votes
1answer
51 views

Cisco 500 switch

I want to remotely access Cisco 500 switches via TELNET and WEB BASED from a server. I dont know the ip addresses for Cisco 500 switches which are configured as backbone which the ip address assigned ...
0
votes
1answer
5k views

Why are there so many duplicates of “explorer.exe” running?

In my Windows 7 task manager, there are 16 instances of explorer.exe running. Where is this coming from? I thought perhaps I had inadvertently enabled the option of Windows replicating an instance ...
0
votes
1answer
101 views

Exhaustive Windows 7 troubleshooting procedure?

I have been using this laptop for almost two years now. Its an Intel 2nd Gen i3 with 4 GB of RAM with a 512 MB of ATI Radeon 5470 GPU running the 64-bit version of Windows 7 ultimate (Not too ...
0
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0answers
966 views

Windows (Win 7) Troubleshooter & Fix It Troubles 0x80070003 Runtime Errors & Others

Here is one for you to sink your “teeth” into! All my Window 7 Troubleshooters will not run. They all come up with error code 0x80070003 which Fix It indicates is a runtime error as I have it. I ...
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votes
1answer
93 views

How to change wireless carrier on a windows phone [closed]

How can I change the wireless carrier AT&T on a windows 7.5 phone, I have a sim card for telcel america everything works I get e-mails and updates from facebook but I can not surf the netor get ...
2
votes
1answer
50 views

Whose permissions are being used?

Regarding "Permissions" in Windows, is it possible to trace or determine "who" is actually changing something? (i.e., determine what user is modifying something with their respective permissions) For ...
0
votes
3answers
249 views

Windows 7 operates normally for several minutes after startup, then stalls.

When I power on my Windows 7 PC it behaves normally for ~5 minutes, and then I can't open any programs. If I opened something quickly (in the time before the stall) I can still use it. When the ...
11
votes
1answer
1k views

All invalid hostnames resolve to localhost in my browser. What is going on?

Update: jump to the end of this question for the happy conclusion to this epic tale. Note: I have IIS7 installed locally for web development. This is what happens in my browser for random sites: ...
0
votes
1answer
283 views

IRQL_NOT_LESS_OR_EQUAL BSOD in NDIS.sys, with MemTest passing - what's the cause?

I just got a Blue Screen of Death with IRQL_NOT_LESS_OR_EQUAL, in NDIS.sys. My hardware: Intel P4 Northwoord 2.4 GHz Intel D850EMV2 board 4 x 256 MB RDRAM other stuff Context: Computer was ...
0
votes
0answers
39 views

LAN not working

I have a HP Desktop computer, its like the LAN is not working but if i try to connect another desktop on the same LAN cable its working. All the drivers are installed and its picking up the LAN cable ...
2
votes
1answer
241 views

What is the “Ideal Processor” value?

What is the "Ideal Processor" value and why/how does it pick a certain processor to run on? I've recently seen an obvious increase in CPU usage on the furthest last core, core #7 (i7 930 ...
0
votes
1answer
168 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 ...
0
votes
1answer
1k views

computer shut down suddenly and now won't boot

I have a DIY computer that was built about 3 months ago, and worked fine until this week where it shut down suddenly while using Word. The only other application running at the time was Google ...
2
votes
2answers
344 views

Can a GPU's memory “die” through overclocking?

I hear people comment about GPU memory/ram "dying" from an overclock. Is this possible? Is there an objective way to tell, besides circumstantial blue screens?
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3answers
3k views

My PC runs but I don't have any video signal on the screen

I have a similar problem described here No video output from motherboard how to debug this?by the user:"alistarmk" with my computer, i.e the computer runs but I don´t have any video signal on the ...
0
votes
1answer
158 views

test isp for bandwidth throttling

As of late youtube has been slow to load like 30-45 seconds in it will pause and buffer for 2-3 min. this happens on my wifes mac , my desktop and my work laptop so im pretty sure its not a hardware ...
3
votes
1answer
4k 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
3answers
5k views

Minecraft (Java) frequently loosing connection on Windows 7

Minecraft, a Java client application, is frequently losing connection with the message "Internal exception: java.net.SocketException: Software caused connection abort: socket write error" or the ...
0
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0answers
88 views

Installing Agere Soft Modem on Windows 98

I have an older Dell XPS B800r that I use for Windows 98, and I recently reformatted and reinstalled Windows 98 2nd Ed. All of the installation of the drivers went fine, until I came to the ...
0
votes
1answer
157 views

Would a “mirror driver” collide with the default display driver?

I've just installed UltraVNC, having previously used RealVNC. Both install a "mirror driver", which I assume is a driver that simulates a display to any VNC connections. Would this mirror driver ...
-1
votes
1answer
589 views

IBM ThinkCenter doesn't power up?

My old ThinkCenter M-8143 doesn't boot. When I press the power button nothing happens. It's a brand new power supply, so can't be an issue with the PSU. *If I remove the 4-pin CPU power connector ...
0
votes
1answer
2k views

How to define when machine was connected to WiFi in Windows logs?

I'm looking for a ways to define time when WiFi connection was established/enabled/disabled on Windows 7 machine through logs. The reason I'm looking for it is that I have laptops in LAN which ...
0
votes
0answers
70 views

uverse internet works on everything but my desktop

We have uverse wireless internet in our house. We have four phones connected to it two android two iPhone's, an ipad, a windows laptop, my Xbox 360 and my windows 7 desktop. All devices work fine ...
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0answers
38 views

CD Rom Door Does Not Shut

My CD ROM door only remains closed when the computer is turned (Off) or if I am playing CD music Disc. I tried programming my computer because Windows Media Player refused to burn my CD's. I did ...
2
votes
0answers
439 views

Kernel Event ID 41. My system keeps shutting off during games

here's hoping you guys can help me. This is a homebuilt system I put together myself. This is the build (I got a 7870 instead of a 7850, though): http://pcpartpicker.com/p/eZgE This error has ...
6
votes
2answers
2k views

Alternating low and high ping times on ADSL line

I have an ADSL connection at home. Pings times are usually acceptable right after rebooting the modem, between 15 and 60ms to google.com. A few minutes later they go up to 900ms or even higher up to 3 ...
0
votes
1answer
186 views

Aborted software install - epson perfection 3200 on Windows 7 64-bit

I just upgraded to Windows 7 64-bit, and boy, this is a challenge to get old hardware to work. I tried to install my software for my 3200 perfection scanner straight form autoplay. When it tried to ...
1
vote
1answer
136 views

How do I install Visual Studio CTP updates?

I'm trying to install the "Visual Studio Tools for Git" extension in VS2012 Ultimate, but it says I need an update. It takes me to a "VS2012 Update 2 CTP 3" page, with 10 separate files (some big). ...
3
votes
4answers
1k views

Hot graphics card while idle

Since yesterday my graphics card is quite hot even when the computer is idle. It's a notebook running windows 7, with two graphics cards: an integrated Intel, and a NVIDIA GeForce GT 540M It ...
1
vote
1answer
5k views

Dell Latitude E6420 does not detect Dell External monitor P221 2H

I have a Dell Latitude E6420 and recently got a Dell Monitor P221 2H. The issue is that the Laptop is not detecting the external monitor and Monitor is displaying "Entering Power save mode". I tried ...
1
vote
1answer
895 views

Computer takes several hours to start after pressing the power on button

For a while now my PC has been very slow to start up. I turn it off at night before going to sleep and when I try to turn it on in the morning it takes hours (roughly 2 to 4 hours). The computer does ...
0
votes
0answers
51 views

possible firefox go to internet but chrome and IE not?

my Firefox go to internet correctly. but IE and chrome don't see the internet. my windows is 7 and i check the proxy in windows ... before when i have similar to this error check the proxy ...
0
votes
1answer
712 views

How to confirm a dead motherboard is the reason why a PC does not power up

I have an old PC assembled from components. All of a sudden I cannot turn it on. Nothing except the motherboard strobe light turns on. No fan, no hard disk spin, no nothing. I have unplugged ...
2
votes
3answers
870 views

Mouse keeps randomly clicking around the screen

I just reinstalled Windows 8 on my Dell XPS 15 touchscreen laptop and I am having a strange problem. My mouse (apparently) randomly jumps around the screen and clicks something. I was having this ...