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

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348 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. ...
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2answers
54 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. ...
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2answers
519 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 ...
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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 ...
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1answer
50 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 ...
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1answer
4k 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 ...
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1answer
96 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 ...
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0answers
876 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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1answer
86 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
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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 ...
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3answers
234 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
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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: ...
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1answer
261 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 ...
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0answers
37 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
220 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 ...
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1answer
158 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
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1answer
882 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 ...
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2answers
319 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
2k 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 ...
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1answer
152 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
3k 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 ...
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0answers
85 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 ...
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1answer
144 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 ...
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1answer
538 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 ...
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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 ...
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0answers
66 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 ...
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votes
0answers
423 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
179 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
129 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). ...
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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 ...
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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 ...
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1answer
823 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 ...
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0answers
50 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 ...
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1answer
636 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
843 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 ...
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votes
1answer
219 views

Why does one person downloading kill the internet for the rest of the house?

We have 25 megs on the downstream and 2 megs on the upstream. When doing a speed test without anyone downloading (from Usenet, for example), we get the full download and upload. However, if one ...
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1answer
71 views

Mac Pro was working fine. Formatted the hard drives and now the monitor can't get a picture

My mac computer was working fine but I took the hard drives out of it and formatted them with my new computer. Now when I re-insert the zero-filled drives the monitor is just perpetually black. I ...
3
votes
2answers
608 views

Arch Linux - dhcpcd messages at login screen

I have a fresh installation of Arch Linux, and I've enabled dhcpcd on eth0. However, the message output for dhcpcd startup appears after the OS is booted up and is at the login screen, so I get this: ...
0
votes
3answers
2k views

Computer making strange sound when turned on, ever since power outage

Recently we experienced a power outage, and the PC was off. However, once the power came back, I switched on the PC and heard a strange noise - almost as if the hard disk or fans were struggling to ...
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0answers
44 views

Windows crash on new Hard Drive that was never formatted

I installed a new hard drive after someone removed the OS from my old drive thinking I would eventually slave the two together to recover my data. Unfortunately the new disk keeps crashing and I ...
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0answers
60 views

Monitor not receiving any picture data from computer?

I cannot get a picture to display on a monitor for my Mac computer. I formatted the hard drives (couple passes with 1's and 0's) and now I cannot get the monitor to display a picture. I know the ...
1
vote
2answers
656 views

Is my Hard Drive repairable OR can I get my data back (Picture)?

I have an old 80GB Seagate Baracuda Harddisk. It fell on my toe. That time it was working fine. But today as I turned my pc on and this happened. Can replacing the circuit board will help me ...
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0answers
36 views

Soundcard troubleshooting

My creative X fi xtreme audiois detected, without problems, drivers are up to date. But no sound is coming out. The sound panel doesn't show the audio levels when I try something like youtube, and ...
1
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3answers
2k views

Dell Studio 1555 not starting up

This is a 3-year-old laptop. I never had a big problem with it until now. I updated Kubuntu the night before yesterday. And Firefox got updated to version 18 and a few other related packages got ...
2
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1answer
183 views

How to simulate yourself as if you are located internally behind the trusted zone of a FW

I work in security operational center engineer in one company. We manage a lot of customer FW, proxy,..etc. An example of our daily tickets could be the user can't access some site, so we check the ...
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1answer
698 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 ...
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1answer
274 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 ...