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

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15 views

Startup issue with custom built PC after installing a new PSU

I have a custom built PC with an AMD 6150 processor and an AMD 970 motherboard, Radeon HD 6850 GFX graphics card, 16GB Ripjaws 2133 MHz RAM and a crappy 500 watt power supply. It works fine, but the ...
2
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2answers
3k 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 ...
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2answers
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 ...
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0answers
12 views

Windows Service Startup Type change history/log

I have a PC where I suspect some Windows Services (from Services.msc) have been changed. I mean the "Startup Type" from Automatic -> Disabled, or some other change of the startup type. Is there an ...
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1answer
2k 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
16 views

MS Word: Can't Save Any File

I have Ms Office 2013 Professional, and Word don't let me save any file. It says to check the file block settings, and i did, and there was nothing wrong there. I also checked the temp variable, ...
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1answer
3k views

Windows 7 Installer keeps popping up at startup

I have Solidworks Student Edition installed on an external drive. Every time I turn on my computer, a Windows Installer box pops up to install Solidworks, and I have to press Cancel. How can I stop ...
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4answers
111 views

IE and Chrome not loading web pages

I have a laptop running Windows 7 x86 on our network where IE and Chrome are not loading websites. The internet is working fine with other services. Skype and Lync work, and I can ping web addresses ...
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0answers
22 views

system thread exception not handled) 'iastor.sys

While installing ubuntu alongside with with win 8. laptop was off because low of battery. After I start laptop I got this blue screen and it keeps restarting in loop. I can access the boot menu by F10 ...
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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 ...
30
votes
4answers
89k 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 ...
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3answers
1k views

Windows 7 systeminfo reporting incorrect System Boot Time?

I work 9-5 and switch my PC off when I leave the office each day. When doing timesheets I need to know what time I got to work, so I usually use cmd > systeminfo for finding the System Boot Time. ...
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0answers
12 views

P5K with any network adapter - losing Internet connection on high transfer rates

(In the sequence/answer of/to this post) I have a P5K since they were released. Started having that issue with my first Win7. My solution at that time was some driver that didn't have that issue, I ...
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2answers
756 views

What can cause Internet connection to randomly fail?

From time to time, web pages don't open or open slowly, downloading big files stop after a few KB or MB (no errors are thrown, just no data is received). Sometimes it works, sometimes it doesn't ...
4
votes
1answer
5k 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)? ...
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0answers
16 views

Troubleshooting latency spikes

I have a friends laptop here which she asked me to take a look at. The trouble is that she constantly has trouble with her internet connection - cable not connecting trough LAN interface and wi-fi has ...
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3answers
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 ...
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3answers
926 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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2answers
2k views

Dell inspiron n5010 has failed to recognize AC adapter

Recently my dell inspiron n5010 has failed to recognize my 90W adapter (despite powering it just fine). Full error message: "The AC power adapter wattage and type cannot be determined. the ...
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15answers
42k views

Windows 7: Wi-Fi connection drops intermittently - only returns after “Troubleshoot connection” resets the adapter

On our laptop (running Windows 7) the Wi-Fi connection drops intermittently. Symptoms: Connectivity is suddenly lost, and the "signal strenght" indicator in the tray shows zero strength and a yellow ...
4
votes
1answer
626 views

How do you troubleshoot Family Safety reports

I have set up Microsoft Family Safety in Windows 8 for my daughter's account. At first I got meaningful reports via e-mail each week. But then the e-mails started reporting no activity, even though ...
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1answer
208 views

Word templates opening as templates instead of a new doc

So the previous person who asked this question (Word 2010 template not acting as template -- saving over .dotx file!) was blown off because it was determined that the question already had an "answer" ...
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1answer
1k 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 ...
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0answers
20 views

ntop bug on Ubuntu 14.04?

I have ntop working on a Hyper-V virtual machine Ubuntu 14.04 with netflow plugin. Everything seems to be working well, but when I click on IP, then Traffic, I want to see each person on the network. ...
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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 ...
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1answer
4k 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 ...
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3answers
8k views

How can I determine what is causing my hard drive to become busy/stuck?

I've got a relatively new Dell e4300 laptop running Windows 7 32-bit (fully updated). Several times throughout the day, it will seem to hang. When this happens, I'm able to move the mouse but the ...
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2answers
3k views

Dell Vostro blank screen when booting

When I try to start up my Dell Vostro 1088 it just shows a blank screen. The hard drive and the CD drive works. I can hear some sound. But I cannot even see the Dell startup splash screen. How can I ...
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?
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0answers
56 views

WTP - Creating an Answer File for WindowsUpdateDiagnostic.diagcab

I am attempting to script the install of the WindowsUpdateDiagnostic.diagcab sourced here: http://support2.microsoft.com/kb/971058/en-us?p=1 msdt.exe /cab "%~dp0WindowsUpdateDiagnostic.diagcab" -af ...
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votes
5answers
16k 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 ...
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3answers
3k 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 ...
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3answers
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 ...
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votes
5answers
11k views

Windows 7's start menu's search “see more results” is broken

After searching in my start menu and clicking to "see more results", I got an error dialog: It "seems" that it should be search-ms:query=document an not search:query=document but where can I fix ...
17
votes
3answers
18k views

How do I troubleshoot hardware issues related to a computer freeze/crash?

What are some common guidelines and issues related to hardware being the issue of a computer crash? What should I look for and how do I troubleshoot these problems? What are some tools that are ...
2
votes
1answer
63 views

Why is my old Nvidia card failing to start?

I'd like to add a third monitor to my computer. Unfortunately, my primary Nvidia graphics card only supports two DVI monitors, so I decided to take an old Nvidia graphics card from another computer ...
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vote
1answer
155 views

Computer won't start with GPU plugged in

I'm having some issues with a computer that I built. When the GPU power is not plugged in, the computer boots and works fine. But after plugging in the GPU power, it fails to boot. All I get is a ...
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 ...
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1answer
41 views

How can I diagnose certain games crashing?

With a handful of games will crash to desktop after playing for anywhere from 15 minutes to a few hours. There will be a visual glitch, a pause, and then crash to desktop. If Firefox is running, ...
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1answer
155 views

Blue Screen of Death - My Sony laptop crashes very often

I have a Sony VAIO laptop which is giving me blue screen problem from some days. I thought it might be because of corrupted Operating system, so I refereshed the operating system installation but the ...
3
votes
1answer
562 views

Recurring BSOD 0x139 KERNEL_SECURITY_CHECK_FAILURE in NETIO.SYS (bugcheck analyses within)

Problem description I've been encountering some intermittent 0x139 KERNEL_SECURITY_CHECK_FAILURE blue screens with first parameter 0x3 on my Windows 8.1 laptop, once every 20 minutes to an hour. ...
4
votes
3answers
13k views

What are the causes of BIOS corruption? Can one tell the cause of corruption?

I'm sure it is a case of bad BIOS. What I'm not sure of is how did the BIOS get corrupted. What causes BIOS failure in common scenarios? It was a Pentium 4 from 2004. Does age have to do anything ...
6
votes
2answers
322 views

Dell Inspiron 14R 5420 intermittently fails to boot

I have a Dell laptop which sometimes boots and sometimes doesn't. When it boots, it works perfectly normal. However, when it doesn't boot, it doesn't show anything on screen, the light check goes on, ...
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vote
2answers
3k 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 ...
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votes
2answers
72 views

What do the numbers given by a BSOD mean and how do I interpret them?

I was living in the world without Blue Screens with my PC/Windows 7 x64. Unfortunately, they have visited me about month ago and they don't want to go away. I get about 1-4 Blue Screens per day. ...
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1answer
119 views

Black Screen On XP Guest

Full size image I'm running Windows XP as guest on VMware Player 6.0.1, but I'm getting a black screen. The VM starts up, I see the XP logo screen as it loads, but then the welcome screen never ...
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0answers
63 views

Laptop unusually slow after being accidentally dropped. Hard drive was replaced but still slow

My laptop—a Dell 1747 i7 laptop—fell from my desk to the concrete floor of my basement office when my son tripped on its cord. As would expect, that was it for the hard disk. Luckily, though, the ...
3
votes
3answers
461 views

Windows 7 BSOD 0x7A after every 1-2 hour

My computer is BSOD'ing after every 1-2 hour. It is doing BSOD randomly. When I check for solutions no solution came up. Even the xml file is not readable. I'll try to take an screenshot of the BSOD ...
0
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0answers
80 views

What happened to my computer, and what are my recovery chances?

Today I was just using my computer as normal when it froze. Restarting, it froze on the windows logo (As in startup). Restarting again brought me to the "Windows failed to start" screen, where I tried ...
0
votes
1answer
40 views

How to determine which clients are connected to a specific port on a server [closed]

The network is Microsoft Windows but the server is running an unknown operating system. I cannot get access to a command line on the server. The server is running a custom protocol. The network ...