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5
votes
2answers
644 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
vote
2answers
335 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 ...
0
votes
2answers
732 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 ...
2
votes
1answer
26 views

Testing hardware in computer that fails to POST

With a computer that powers on and runs its fan, but doesn't get any further, what would be useful troubleshooting steps and diagnostic equipment (if any)? It seems undamaged to look at, and the user ...
1
vote
1answer
26 views

What can cause PCIe graphics cards to randomly fail during boot?

I have a system that's currently driving me crazy, and I'm hoping someone out here on StackExchange will be able to point out something I'm doing wrong. The computer is home-built and consists of: ...
1
vote
1answer
930 views

Diagnosing / Servicing A Notebook GPU

I have a GPU (a GTX 260M) that is causing windows to lockup. I was talking to a service rep from the notebook manufacturer and they said typically the technicians go through this process: Usually ...
1
vote
1answer
301 views

Bluray LightScribe drive slowly dying - any recommended fixes?

I'm getting sporadically functioning Bluray drive in my HP DV5T laptop. Anybody have any ideas that I could use to get it working again, short of replacing it? Here is the history I tried with it ...
1
vote
1answer
150 views

Where do I start diagnosing a RAID drive that won't come up?

I've had this Cavalry 4TB RAID drive connected via eSATA to a Win2003 box for a year or two, and it's not coming up any more (can't see it in Explorer, or in disk management). I've also tried ...
1
vote
1answer
199 views

Network / Internet diagnostic tool to locate an error?

I’m facing some difficulties with the Internet / network at my work and I have trouble locating the precise error and when and how it occurs. The problem is that the client machines in the house ...
0
votes
1answer
410 views

diagnostic software for wifi adapter

I'm having trouble with my wifi connection. Is there any software out there that can help me determine if the problem is in the drivers or in the hardware? Regretfully, I'm working on Vista Edit: ...
-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, ...
4
votes
0answers
1k views

What can I do if my dasKeyboard has dead keys?

I have an out-of-warranty dasKeyboard Professional (with Cherry MX Blue key switches). I acquired this keyboard as a new replacement in a warranty keyboard swap. Their warranty service is very slow ...
3
votes
0answers
579 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: ...
3
votes
0answers
132 views

Game runs flawlessly with YouTube video running and is unplayable otherwise

This sounds crazy but I've tested this several times and it is completely reproduce-able. If a YouTube video is not running in the background Skyrim takes approximately 2 minutes to load and the ...
2
votes
0answers
32 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 ...
1
vote
0answers
31 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, ...
1
vote
0answers
200 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
0answers
161 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
0answers
334 views

How to diagnose the cause of losing connections in WLAN?

Recently I brought my laptop from my work to my appartment. At work the laptop works perfectly in WLAN, but at home I have the following problems with WLAN: When streaming movie from YouTube, the ...
0
votes
0answers
15 views

What diagnostics are available for a General Protection Fault from an old Windows program?

I have run an old (1996) Windows program that accesses DBF files. If I run with an old copy of the database it works fine. But if I run with my current copy of the database, I get the GP Fault when ...
0
votes
0answers
18 views

Getting syntax error messages with NTDSUTIL switches

Does anyone know how to properly input the switches for this command? I am on one of my domain controllers: Start>Run>Ntdsutil Then I try activating the command with ac i & activate instance ntds ...
0
votes
0answers
24 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
0answers
184 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 ...
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?
0
votes
0answers
468 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: ...
0
votes
0answers
24 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
0answers
231 views

Diagnose failure in Dell d630

A Dell d630 is showing signs of failure: On startup, often nothing is seen on screen. it's about 50:50 if it starts up fine or does nothing Plugging in an external monitor when nothing appeared, we ...
0
votes
0answers
2k views

Increase ramdrive memory for Hiren Boot CD

Does anyone know how to increase partition for Ramdrive R: for Hiren Boot CD ? I installed a new Program with more than 64mb and I cannot run it. By default it's size in 64mb. IF not where I Could ...