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

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25 views

CPU pins bent-ish and processor dead. Steps to take?

I have an old computer that's been non-functional for some years. Last I checked it has power and turns on, fan spins, SATA ports give power, but no video output. My assumption is that the CPU is ...
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4answers
72 views

PC restarts randomly for unknown reasons. Possibly hardware issue. What could be wrong?

My PC randomly restarts whenever there is load on it but not all the time. Examples are when I'm playing a game or watching a movie. Sometimes, I can get through hours of sessions and no restart at ...
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0answers
16 views

Pixelation in Ubuntu 14.04

I recently installed Ubuntu 14.04 concurrently with Windows. After using it for 10-15 minutes I get a pixelated screen (see scrrenshots attached). I followed the suggestions in this forum, but it ...
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1answer
128 views

Windows audio service not starting win8.1

I have a new PC and the sound has been working perfectly (the screen flickers occasionally, but that's not for this question). The sound decided that it was going to stop working for whatever ...
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0answers
99 views

Using Skype on Linux. Is it usable, my system is Fedora 20 [closed]

I used Skype 4.2 on Linux and it has been buggy, but I could use it all summer. Then came the update to 4.3 and I haven't made one successful call since. My system is Fedora 20 on a Dell Inspiron ...
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2answers
46 views

Diagnosing random, temporary computer “pauses”

My computer that I use every day has had the problem for over a year where periodically (between once and six times per day) it will become mostly unresponsive for a short period of time. This is ...
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1answer
60 views

Fix Duplicate Entries In The Add/Delete Programs List?

I made a new administrator account on Windows 8.1. I took all the files and icons on my desktop, and put them onto a usb stick. Then I deleted the old administrator account so that now I just have one ...
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2answers
163 views

Weird mouse problems. Accidental double-clicking, selection, drag-n-drop problems

My mouse has started to double click or not keep a selection. Middle click works on the 2nd-3rd try, it ruins drag-and-drops and confuses selecting with opening things. It feels like little ...
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1answer
87 views

How to fix Physical Memory dump error during installation of windows xp ? Why PC not started?

My lenovo laptop of i 3 processor , 500 GB Hard disk and 3GB ram. It was restated contentiously and shows error physical memory dump complete. So that I format c drive and trying to install fresh ...
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0answers
79 views

Rapoo dual-mode wireless mouse no longer works in RF mode, how to troubleshoot?

I have a Rapoo 6610 dual-mode wireless mouse (like this: http://www.amazon.com/Rapoo-Bluetooth-Wireless-Optical-6610/dp/B00ANGBCF8). It supports both RF mode (that requires a dedicated receiver) and ...
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0answers
68 views

Computer became slow recently

System Specs: Windows 8.1 64-bit Intel Core i7-4700MQ CPU @ 2.40GHz, 8.0GB RAM, Intel HD Graphics 4600 / NVIDIA Geforce 750M GT Computer has been recently slow. This includes startup ...
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2answers
53 views

Troubleshooting a port in a USB 2.0 bracket

I am currently troubleshooting a single port in a two-port USB 2.0 bracket (example here) that does not work. A USB bracket is a simple device (consisting only of cables and connectors) that connects ...
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0answers
37 views

How to troubleshooting wireless network issue with ip-network falling periodically?

All wireless clients some times a day can't see anybody in the network: no AP (ping or web-interface), no Internet-access, no each other, but Wi-Fi signal is ok for them. In the same time ...
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1answer
43 views

Desktop computer rebooting after ~3 hours

My desktop computer, less than a year old, has started rebooting automatically (as if power was suddenly lost and immediately restored), after ~3 hours of running. After the first reboot in ~3 hours, ...
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3answers
187 views

Problems with webcam

My friend is using Windows 8.1, and he has a webcam. He says it is working very well even without installing drivers. Webcam is A4tech - PK-331F. I asked for this webcam for use. I plugged in the ...
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0answers
68 views

Troubleshooting Land Attack - Process monitor

I'm trying to find the real issue behind our Cisco ASA firewall log: Deny IP due to Land Attack from WAN_Web to WAN_Web. We're getting them every 5 or 10 min, so it will be nice to get rid of them. ...
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1answer
89 views

Constant loud high-pitched tone coming from computer

I have a video of the problem here. Please turn your volume down before 47 seconds into the video; the noise is quite loud (the volume in the video isn't even as loud as it sounds in real life from ...
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1answer
83 views

Keyboard lag & mouse selection issues

A few weeks ago I started experiencing typing lag which is 'somewhat' intermittent. It happens in all programs including browsers & Microsoft Word (though not as often). I also have experienced ...
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3answers
3k views

Why does my computer take an abnormally long time to shut down?

I am booting Windows 8.1 Professional 64-bit off an SSD (specifically, a 128GB ADATA SP900), and while it boots up incredibly fast, it also takes an obscenely long time to shut-down. The time to go ...
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0answers
28 views

Cannot import .ova

I'm trying to import an .ova file into my VirtualBox on Ubuntu 12.04 (64 bits), but when I do this I get the following error: Failed to import appliance /media/USB/Respaldo 11 (Armando)/SW/Maquinas ...
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0answers
21 views

PC requires multiple reboots to boot

For the past two years, ever since I upgraded my Motherboard, RAM, PSU, Hard Drive and Case, I've had to reboot multiple times in a row to make the PC recognise the hard drive and boot into windows. ...
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1answer
81 views

Can't access router's web interface

I had this problem for a while, however it only became really annoying recently as I needed to forward a few ports. My problem: I can't access the web interface of my router when typing 192.168.1.1 ...
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0answers
52 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 ...
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4answers
4k 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 ...
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0answers
213 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 ...
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1answer
40 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 ...
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1answer
61 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. ...
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0answers
49 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 ...
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0answers
33 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 ...
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0answers
495 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 ...
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0answers
45 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 ...
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2answers
46 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 ...
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1answer
171 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
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1answer
72 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
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1answer
18 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. ...
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1answer
98 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, ...
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1answer
1k 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 ...
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1answer
43 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 ...
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0answers
48 views

USD: unexpected, unexplained SLOW-DOWN

Sometimes, my laptop is providing me with very strange behavior. When i have several (10-20) tabs opened in Opera or Chrome, uTorrent running etc., nothing special, in such casual conditions happens ...
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1answer
48 views

Tick character (`) randomly added when typing

I have a microsoft wireless keyboard (wireless comfort keyboard 5000) and I'm running on Windows 7. Every once in a while, as I type, a random ` character gets added and I know it's not a typo as the ...
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1answer
36 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 ...
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1answer
43 views

Identifying whether the wireless router is faulty or the wireless adapter is

I have a persistent problem with my wireless internet connection. On the system (Windows 8.1) that I have, the internet is so unstable that it goes to limited every 15 minutes and then resolves itself ...
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2answers
6k 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 ...
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0answers
29 views

Computer Screen Showing Lines, not even hitting bootloader

Here is what the laptop looks like right after hitting the power button (only a second delay to get to this point). This is all it shows, and goes to nothing else. Laptop would not display on an ...
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2answers
380 views

Power supply or graphics card? [closed]

I have been having issues with my PC randomly shutting down and believe I have narrowed it down to two possible issues, either my PSU or my GPU. Back story: I got a newish computer (less than 1 year ...
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1answer
2k views

Why does my account keeps getting locked? What does the log Event 4648 means?

I have this problem I just cant seem to find the source. My AD account keeps getting locked. Using lockout status and looking at the netlogon log i figured out which PC it is. I know which process is ...
3
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2answers
911 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 ...
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0answers
83 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 ...
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0answers
424 views

“No route to host” from my laptop while connected at home, while using SOCKS proxy or another computer work fine

This has been baffling me for some time. A single domain (haxe.org) is inaccessible from my laptop (OSX 10.7.5) while connected via my home network. Attempting to ping it results in "No route to host" ...
0
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2answers
89 views

How can I diagnose suspected NIC issues?

Over the past few days my ethernet-wired internet connection has started acting up. Here are some of the issues I've encountered: Websites are intermittently slow to load. Large downloads routinely ...