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

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-1
votes
2answers
60 views

Beep code due to lose connection

There are various beep codes to indicate errors at start up. I need to know this one thing. Can such a beep code occur due to lose connection of external cables. For example one single long beep is ...
3
votes
1answer
2k views

Cannot see all available wireless networks?

There are two wireless networks setup in my office, a primary one and a backup. Plus there are few other wireless networks nearby. However, Windows (XP SP3) has ceased to show other available wireless ...
2
votes
1answer
2k 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
1answer
2k views

Windows 7 is not mounting one of the partitions

I used to have 3 primary partitions on my drive, and windows was installed on one of them. The other two are for recovery and for personal files. Just yesterday, I resized the personal files partiton, ...
1
vote
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 ...
0
votes
2answers
2k views

Toshiba Satellite C55T-A5123 Refuses To Boot DVD or USB Windows 7 Install Disk

I'm trying to downgrade a Toshiba Satellite C55T-A5123 that came with Windows 8.1 on it to Windows 7 x64 bit. I'm stuck at not being able to get it to boot the installation media. I've turned off ...
0
votes
0answers
16 views

Except for the GPU, what can cause persistent graphical artifacts during boot?

I'm getting these graphical artifacts during boot, as early as the BIOS screen and during the Windows startup as well: The pattern seems to stay identical, and it is visible on every single boot. I ...
1
vote
3answers
2k views

Windows minimizing automatically

My computer (running xp sp3) keeps minimizing windows or deselecting them automatically. It's so bad that I can't do anything before the windows close. (typing this on my phone) and no, I'm not ...
34
votes
4answers
3k views

What is the purpose of using a large ping packet?

While analyzing some traffic logs, I noticed a node pinging its gateway with a large ping packet size, ranging from 700 bytes to 1 MB. It's a constant ping from node to gateway and the size per ping ...
0
votes
1answer
3k views

Wifi network undetectable on a Lenovo G470

I have a WPA2 secured network with a visible SSID at home that works perfectly fine with a Dell laptop,a HP netbook and sundry mobile phones. When I try connecting my sister's Lenovo G470, it refuses ...
0
votes
2answers
2k views

Why does my screen turn black after installing ATI on Ubuntu 10.04?

I'm having a problem installing the drivers for my video card. I've just finished installing the driver, rebooted the OS, and the monitor starts up in energy saving mode and doesn't boot Ubuntu. What ...
0
votes
1answer
281 views

Sound stopped working on Toshiba Satelite C855

I have a Toshiba Satallite C855 running Windows 7 with a Realtek High Definition Audio card. Sound worked fine yesterday. Today, my two-year old did something to the machine, and I have no sound. I ...
0
votes
2answers
2k views

Why is the Windows Help & Support screen not working?

When I click on the icon in the Start Menu, the error is: The Windows Help And Support can't start A problem has occured with Windows Help And Support Center. For online help visit Windows ...
0
votes
1answer
6k views

can't connect to the internet after setting up the router N300 netgear wireless

I set-up my router which I got from the provider of my internet. So far my internet was working was fine. I got N300 netgear wireless router. I followed the instructions in the manual in connecting ...
1
vote
1answer
115 views

How to fix Firefox menubar items unselectable or invisible

In Firefox 5, the menubar and sometimes even the right-click options do not render above the screen content, making them unselectable. They momentarily appear for a fraction of a second, but make the ...
0
votes
0answers
25 views

Outlook 2013 updating inbox but no new items

I have Outlook 2013 with an Exchange account configured. Nothing has changed but suddenly I am getting the message "UPDATING Inbox (980 MB)" in the status bar. There is constant progress in the ...
4
votes
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?
0
votes
1answer
2k views

Nvidia Ion HDMI output problems with Acer Revo

I bought an Acer Revo. First I connected it to my Sony TV via HDMI output. For a few days it worked very well. Then one day when switching on the computer, it boots and the TV screen turns black ...
0
votes
1answer
17 views

Can I delete .dylibs in usr/lib after uninstalling Homebrew?

I am in the process of uninstalling Homebrew from my Mac Lion 10.7.5. I see that there are 181 .dylibs in the Macintosh HD/usr/lib folder that has the same "date created" when I installed Homebrew. ...
0
votes
2answers
2k views

Not getting any output from video card or onboard- is my motherboard dead?

Probably a lost cause, but I thought I'd ask before I start replacing hardware. I have a desktop that's been boxed up for a while, and when I set it back up I wasn't getting any video output. I ...
2
votes
1answer
450 views

Debugging shell-extension that causes windows to freeze

For some time now, I have been living with and working around an annoying problem in Windows XP whereby any time I open a file dialog (Open/Save) in any program, not long afterwards, that program will ...
1
vote
1answer
32 views

From Windows Server 2012 to Windows 8

Hi I formatted my laptop a month ago to test windows server 2012, now I want to format it again to back to its previous OS which is windows 8. I used a bootable flash drive(IMATION 8gb) containing the ...
0
votes
0answers
23 views

How can I disable the network troubleshooting in Windows 7?

We have a very specific network setup with static IP addresses setup on some Windows 7 machines in a localised network. We need to keep these IP addresses as is, but the windows network ...
0
votes
1answer
589 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
0answers
30 views

How to perform “tracert” like operation from browser?

I'm remotely investigating issue with my friend's WIN XP computer. The browsers (Chrome and IE) won't show any pages but message with err_connection_reset in details. I've tried to perform "telnet ...
2
votes
2answers
3k views

Why do some PDFs lag in Adobe Acrobat?

I have a handful of PDFs open. One of them in particular is extremely laggy, almost to the point of being unreadable. When I scroll through its pages, it's almost like an extreme version of v-sync ...
0
votes
3answers
1k views

Dell Inspiron 1545 display inverter

I own a Dell Inspiron 1545 laptop. The screen is not working, but I get a picture with an external display. I am told that the problem is the inverter. What is it and is there a way to repair it?
6
votes
4answers
318 views

Any advice on what to do when getting a cryptic blue screen in windows?

What are some steps that you usually take? Are there any good ways of finding out what they mean etc.? For example I have gotten these ones where it pretty much only says "IRQ less or equal to" (or ...
9
votes
3answers
2k views

Troubleshooting a Windows 7 PC that wouldn't sleep

I have a new Windows 7 PC that wouldn't sleep (not just automatically, but also when specifically told to). The screen goes black momentarily, but within two seconds the machine comes back as if ...
18
votes
3answers
56k views

How do I find what's eating up all of my system's memory? (not SuperFetch)

How does one diagnose/discover memory-related problems, if Task Manager appears to not be reporting correctly? I must have a memory leak or something -- I'm at 75% usage of my 12 GB of memory, but ...
2
votes
1answer
294 views

Google's blue arrow doesn't show up until I TAB

I didn't really know what to name this question, and I have no idea what's causing this either. Usually when you do a google search a little arrow shows up to the left of the first result, so all ...
0
votes
2answers
24 views

Computer not switching on swithed power button

My computer is not powering on when i push power button, I tried cleaning the power slot of motherboard and tried changing the SMPS (PSU) of the machine, Even then the computer is not powering on. But ...
0
votes
0answers
87 views

Can the wifi connection still be poor even if I have many bars?

On my Windows computer, the wifi indicator shows 4-5 bars out of 5 most of the time - I conclude that the signal is strong. My internet is occasionally very slow - between 1/5th and 1/100th ...
2
votes
9answers
4k 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 ...
0
votes
0answers
30 views

Truecrypt Causing Other Applications to Crash

Has anyone experienced Truecrypt causing their applications to crash? Our org is moving to Win7/IE9/.NET 4.5.1...several computers run a webapp that has an IE plugin. Post-upgrade the IE plugin locks ...
0
votes
1answer
43 views

Sending file to computer via bluetooth results in “connection failed” error

This was working fine a weeks ago, but now when I try to send a file to my computer from my phone via bluetooth, it results in "Connection failed." I noticed that if I look in the GNOME Bluetooth ...
0
votes
1answer
45 views

Computer makes buzzing sound when windows are open

I am visiting my parents. I notice their screen makes a buzzing sound when a window is open. the tone changes when the window is reduced. The tone stops when i close the window. I am guessing, this is ...
0
votes
1answer
3k 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
vote
1answer
941 views

uTorrent 3.3.2 seeding status - peer connected but not uploading

I have installed new stable version of uTorrent 3.3.2 and have some weird issued by uploading to peers. Port is opened and forwarded (green check icon) same settings as in old 2.2.1 but users can't ...
0
votes
3answers
563 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 ...
3
votes
1answer
6k views

Lots of BluetoothHeadsetProxy.exe processes

I have a weird problem with my Win7 Pro 64: after booting it keeps spawning new BluetoothHeadsetProxy processes. I have 400 of them now and it keeps counting of course slowing down the system ...
4
votes
5answers
1k views

Why does my computer vibrate on a cold boot?

I don't know why but every morning when I turn on the computer, it makes a vibrating sound. Like its case is attached to a vibrator. But when I turn it off and turn on again using the power button ...
1
vote
2answers
211 views

Building PC with old parts - Burning CPU Smell

Alright, so I'm trying to build a computer with some old parts I had lying around here. (which used to be a single computer already so they must be compatible if they were before) At first I tried to ...
0
votes
1answer
14 views

How to troubleshoot a program that does not start

I'm using Ubuntu Server 14.04 and I'm trying to execute a program, namely deluged. However, whenever I do so, whether in script or directly via the CLI, it never appears when I do ps -A | grep deluge. ...
-3
votes
1answer
88 views

Is there any logic behind the fact that computer and devices NEVER fail when in front of an IT specialist? [closed]

How a joking/stupid question can throw some interesting info/tricks when troubleshooting computing (and devices) issues. I think there is really no need for explanation of this awkward problem, ...
0
votes
1answer
22 views

Scarlett 8i6 Line In to Windows audio

Does anyone know if there's a way to take the line in from my Scarlett 8i6 sound card and pipe it to my windows audio? (In addition to using the usb connection and hearing it through my monitors) I ...
2
votes
0answers
208 views

Need technical info on NEC FC-9801V “factory” computer

A friend has an obsolete Japanese CNC metal-working machine which is built around an NEC FC-9801V "factory computer". The FC-9801V is a V30-based machine similar to the very popular (in Japan) ...
0
votes
0answers
258 views

Why is my Focusrite Scarlett 2i4 no longer recognized?

Last night, after a year of continued and problem free use, I discovered that my computer no longer detects my Scarlett 2i4. My DAW (Ableton Live 9.1) says that no audio devices are detected and even ...
0
votes
1answer
34 views

Possible to “manually” search a running program's memory?

Would it be possible to manually search through a running/active program's memory (in Windows 7)? Windows just notified me that Firefox "has stopped working" and is asking me to close or debug. I had ...
0
votes
0answers
52 views

Powering a HP BL680c Blade Server Without a Rack

I picked up an old HP BL680c from a computer surplus store and have no rack with which to power it. The board seems to indicate that it merely requires 12V in. When I try to run it off of regular 12V ...