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1
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1answer
33 views

Many BSODs - where to look for the explanation?

I have recently been getting a lot of blue screen of deaths with various errors (see this for a crash report created with the WhoCrashed software). The many MEMORY_MANAGEMENT errors made me think it ...
0
votes
1answer
18 views

Different results with Memtest86

I've recently run a Memtest on my computer which have 2 x 4gb DDR3 RAM sticks due to a lot of MEMORY_MANAGEMENT bsods. The result showed 4 errors in a run of 10,5 hours (8 passes) so clearly something ...
2
votes
0answers
65 views

Computer won't start unless power is removed for ~2 hours

About 6 months ago I built myself a desktop. A few weeks ago the computer started to act strange, for example it wouldn't always give a video signal when it came out of sleep. Now the issue has ...
6
votes
2answers
511 views

PC fails to boot after a knock to the top of its case

I accidentally knocked off a small block of fools' gold on-top of my computer case, but didn't actually hit anything inside (since the case was open), and now the computer is having serious stability ...
5
votes
1answer
116 views

99% CPU on Win8.1, Can't find offending process

For the last several weeks my laptop is running at 99% CPU, and have been unable to find the offending process. Task manager shows 99%, with no one process using all the CPU, it cycles between ...
1
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0answers
23 views

Does anyone know where and/or how I can acquire the NVIDIA Hardware Field Diagnostic software?

I've found references to NVIDIA Field Diagnostic software here: HW Field Diag and here: RMA Process, but I've yet to find where this diagnostic can be downloaded from. Anyone have a legitimate ...
1
vote
2answers
50 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 ...
1
vote
2answers
35 views

How can I see how much my CPU is being throttled?

Windows has a feature which can be set from the Power Options menu where the CPU is automatically throttled according to usage in order to save power. How can I view this throttling in real time? For ...
0
votes
1answer
47 views

Windows 8 Hardware Diagnostics

I have a new high spec. Windows 8 Pro work station that has now BSOD three times in 5 days due to NTFS problems. Is there a tool I can leave running after work that try to determine the root cause of ...
2
votes
0answers
30 views

Best practise for debbuging hdd

I just logged onto my machine when suddenly ls gave me an Input/output error. After rebooting the machine /dev/sda1 could not be mounted. dmesg results in : [ 545.691453] EXT4-fs (sda): VFS: Can't ...
0
votes
0answers
23 views

What do voltages 5 through 7 correspond to?

In the screenshot below, what do voltages VIN5 - VIN7 correspond to? If it's different per system how can I find out what they measure for me?
0
votes
2answers
301 views

ASUS RT-N66U how to identify source of traffic spike

I have an ASUS RT-N66U as my home router. We are experiencing some traffic spikes in downloading over WiFi that slow all other activity to a crawl. Is there a way to identify the source (ip/host) of ...
0
votes
0answers
155 views

How to create an ASD (apple service diagnostics) boot partition

Can someone tell me how I can create an ASD boot partition. In my ACMT class we had a USB drive with multiple partitions each being an ASD bootable partition. One thing I don't understand is that when ...
-1
votes
1answer
73 views

Diagnosing Motherboard/CPU/ (most likely) GPU

OK, so I am trying to salvage my Mum's old PC for which she had bought a new power supply. After that it worked for a long time. After that time, it wouldn't boot (fans would come on very loud, power ...
0
votes
0answers
38 views

Windows 7 Bluecreen Diagnosis

I have been getting these bluescreens once or twice every month and I have no idea whats causing it. Is there anyone who can show me how to diagnose it?
1
vote
0answers
28 views

Diagnostic puzzle - laptop randomly fails at OS startup

I have a problem which has been bothering me for a year now and I would be grateful if somebody could help me. I will try to be as brief and concise as possible: Laptop: HP Probook 4525s, HDD 160GB, ...
0
votes
0answers
23 views

Troubleshooting large spikes in disk usage on Ubuntu server

I have a server running Ubunutu 12. Today for the second time, the disk usage spiked from 300GB to 500GB in less then an hour. The same thing happened Friday and after about an hour and a half the ...
0
votes
0answers
310 views

xbootmgr failing to run a trace, couldn't find a kernel logger

I am attempting to run a boot trace on a computer that is slow to log in using xbootmgr. It is a Windows 7 Professional computer that is on a domain. Based on the guide on this website: ...
1
vote
1answer
380 views

What HDD diagnostic tool to trust?

I recently purchased external HDD (Samsung M3 Portable External Drive 1TB). I run basic diagnostic tests with SeaTools for Windows and unfortunately Short DST and Short Generic tests fail. I then ...
0
votes
5answers
227 views

Easiest way for non-technical beta testers to gather system information of their PC?

I am starting beta testing on a new Windows application and since it does 3D rendering, system specification can be important especially as I am targeting business users; business laptops often have ...
5
votes
2answers
10k views

How to find out what is running on localhost port

I have something running at port 9090 on my local machine. It's probably something I set up long ago and forgot about... how can I find out what it is? I am using Windows 8.
1
vote
2answers
86 views

Dropped my netbook, how can I diagnose any issues caused

After I picked it up from the ground I heard what sounded like the HDD clicking, and then the operating system (Windows 7) started being very very sluggish. After a few minutes of closing programs ...
0
votes
1answer
1k views

Microsoft Sculpt keyboard malfunctioning (system conflict?)

I have Win7 x32 on my office desktop PC and recently I bought Microsoft Sculpt Ergonomic Desktop which consists of wireless mice, keyboard and numpad. The communication between these input devices is ...
1
vote
1answer
135 views

How to determine number of colours (bit per pixel) in X11

How can I see how many bits per pixel are actually available in a running X11 session?
1
vote
1answer
49 views

What piece of hardware has failed?

The other day I set some video files converting, around 15 minutes later I noticed that the PC had turned off and the 2 front LEDs were flashing. I turned the power off and restarted it (The GPU made ...
1
vote
4answers
184 views

What's a good test for a very non-geek to verify dropped packets?

TL;DR: Need a URL that can show a very non-technical, near technophobe, whether they have dropped packets. So me and some non-local relatives chat via Skype. While I was visiting, I swapped out their ...
0
votes
0answers
23 views

Test performance of a computer for maximum concurrent user allowance?

How can I test a pc to see how many concurrent users it can handle without performance issues? The users will be limited to 6 webpages or Tabs open and no audio/video streaming or downloading. Any ...
0
votes
2answers
112 views

What would cause a video card to show everything on the screen in one color (blue)?

I recently tried to upgrade to a better video card, and after putting it into my computer and installing the proper drivers, everything on my screen shows up blue... Not the blue screen of death, just ...
3
votes
1answer
294 views

How do I fix “hard freezing” issue when running games?

About 3 or 4 day's ago, while my roommate was playing a game on my computer that I had played plenty before, randomly hard froze. After rebooting and trying the game again, the same thing happened ...
-1
votes
1answer
26 views

Find a website at some geographical location

The http responses returned from my server are very slow. After testing a number of things out, I suspect some router along the way has implemented a firewall to inspect higher level protocol data, ...
-1
votes
1answer
579 views

Trace an Internet bottleneck

Access to my site is very slow. However, if I use an online tool that tests webpage performance, the performance is normal. This leads me to believe that somewhere between my computer and my server, ...
1
vote
0answers
144 views

ODX car diagnostic file editor

Is there any freeware/open source alternative to ODXStudio and VisualODX? I'm looking for software to create and edit ODX files (ECU diagnostics descriptions) for free. There are several freeware ...
1
vote
1answer
273 views

Ensure my Iomega NAS storage is working optimally

We have a NAS storage of 5.5 TB from Iomega which is around 96% full and around 3-4 yrs old. We have started doubting if the performance has degraded a lot of this NAS storage, e.g. IOPS. For example, ...
0
votes
2answers
208 views

Which network command does all the thing a windows restart would do?

Specification : 64 bit Windows, Core 2 Duo Network components used : Wifi - Intel 5100 AGN Datacard - NDIS based - Huawei 3g Issue when using Wifi : Every 15 minutes, internet connection gets ...
2
votes
4answers
150 views

Is my HDD on the verge of failing?

I have a 10 year old machine that I'm using as a small home theater server, and would like to know if the HDD is about to fail. I ran the following smartctl --all test and some of the error values ...
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votes
2answers
623 views

What is the process for diagnosing a ViewSonic Monitor? [closed]

I have a ViewSonic monitor that has been busted for quite some time. I've been researching it and i still have no clue as to why it doesn't work. It doesn't turn on. Or rather, it will turn on, but ...
-1
votes
1answer
72 views

How to determine why computer won't turn on? [closed]

I have a PC that I built myself (parts list). It has for a number of months refused to turn back on after there's a power failure. I've had to pull the plug out of the back, and then plug it back in ...
2
votes
1answer
528 views

Is there a thumbstick Linux image for checking hardware?

Is there a thumbstick Linux image for checking hardware? Ideally I'd like to take it with me to a second hand shop, boot it up and run a quick round of diagnostics on hardware. It must have both ...
1
vote
1answer
145 views

Debugging a laptop that won't turn on

When laptop won't turn on, how do I figure out which of these issues might it be? Power Button The AC plug The Motherboard Are there some tools or ways to debug and narrow down the cause. And how ...
1
vote
0answers
144 views

Track what is requesting a shutdown event

We have a workstation at work that is on a domain. Every night at the same time it is shutting down by itself. We have stepped through the normal list of items that might request a shutdown and have ...
1
vote
3answers
2k views

Tool to test HDD for health?

I've had my HDD replaced, and now my computer is freezing every 1 to 5 minutes for 5 to 10 seconds. Actually, only active applications freeze (but it can be ANY application), usually when I click ...
3
votes
0answers
457 views

Did I brick my pogoplug?

I just received a POGO-P21 and followed the archlinux installation instructions. Got to step 12 without any trouble or error message. Rebooted the device, and now it won't come up. Good news: ...
0
votes
1answer
106 views

Weird Memory Problems with Memtest86 Results [closed]

I'm having some trouble with one of my memory modules. The unit in question is a GSkill F3-12800CL9D-8GBXL. I started noticing my computer was acting up yesterday when I started getting artifacts ...
0
votes
2answers
5k views

Where can i find a bootable ssd diagnostics tool?

I have a laptop, which has a Micron 128GB SSD. I have a feeling that it is defective, but I don't know for sure. I need a bootable SSD diagnostics tool to verify this. Where can I find a bootable SSD ...
1
vote
3answers
3k views

Software to check if a SATA III drive is connected to SATA III port?

I had an OCZ Vertex 256 GB drive installed in my PC at work, and the motherboard has SATA III ports. How do I check the drive is connected to a SATA III port and not a SATA II port without opening ...
3
votes
2answers
9k views

How can I quickly diagnose hardware on a Mac?

I'm buying a second-hand iMac tomorrow and the guy's coming to my house to complete the deal. As is standard, I'd like to check the system and make sure it all works properly before buying. Is ...
3
votes
2answers
2k views

Identify and repair/replace faulting component in LCD monitor

At present, I have 4 dead or dying-to-the-point-of-being-useless LCD monitors that I'd like to diagnose and fix. They're all 28" 1920x1200 monitors, of various ages. I seem to go through one every 2 ...
1
vote
2answers
2k views

Soft Read Error Rate for Hard Drives

I am currently testing many hard drives (with gsmartcontrol). My goto, rule of thumb of detecting a defective hard drive is to look at the Reallocated Sector Count and the Current Pending Sector ...
1
vote
1answer
288 views

Intel Core 2 Duo, Gigabyte MoBo, I-Box AC, ATA harddisc fails to boot with IDE/BIOS errors

I am trying to diagnose hardware malfunction Specs: Intel Core 2 Duo, 3 ghz Gigabyte Motherboard (I don't know exact model) I-Box AC, 400 W ATA hard disc 4 GB RAM (2 x 2GB) First boot, ...
1
vote
2answers
242 views

Test for intermittent communication drops between machines

I am trying to diagnose intermittent communication drops between a computer and another networked piece of equipment. Can someone recommend me any tool or method to do this? Sure I can set up a ping ...