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0
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3answers
36 views

Poor performance with large .txt

Is there an inherent bug in the design of .txt that signficant performance drops can be experienced when working with relatively large files? Working with a file of over a million characters on ...
-1
votes
0answers
28 views

How long should a BIOS RAM diagnostic test take?

I've added more RAM to my PC and it's not starting up properly - Windows hangs on the "Starting Windows" screen at some point during the flag/window animation. I'm trying to use my BIOS diagnostics ...
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
2answers
1k views

free system diagnostic tool like Dell laptops have? [duplicate]

Possible Duplicate: Recommendations for hardware diagnostic software (bootable)? My company issued Dell laptop has a pretty robust system diagnostic tool that you can boot into before ...
3
votes
1answer
85 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 ...
2
votes
2answers
4k views

Diagnostic why a fresh installation keeps freezing up for no reason

I've built a new computer and installed a new copy of Windows 7. Although this desktop is way superior than the previous one in terms of hardware specs, the OS just completely freezes for about 15-30 ...
2
votes
4answers
158 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 ...
1
vote
1answer
45 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
29 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 ...
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 ...
0
votes
3answers
5k views

Toshiba Satellite A300 won't boot, how to diagnose?

I have a Toshiba Satellite A300 19P, It was working normally a week ago, today it just won't boot. After the initial Toshiba boot logo, I get a black screen and nothing happens, I hear the computer ...
6
votes
2answers
521 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 ...
0
votes
2answers
355 views

I suspect my system is locking up occasionally because it's overheating. Any suggestions to diagnose an overheating issue?

For about a year now, I've been trying to diagnose occasional system freezes/lockups--no BSOD, no warning or messages after reboot--the system simply freezes. I reboot/reset and everything works fine. ...
5
votes
1answer
150 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
0answers
36 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 ...
9
votes
3answers
5k views

Any way to detect what is disabling the screensaver?

Is there any Windows application out there that will determine what process is preventing the screen saver from becoming active?
7
votes
2answers
6k views

Windows 7 x64 installation freezes on new PC build

Symptoms While attempting to install Windows 7 (64 bit) on my new PC build, it freezes usually at the point where it is expanding the windows image, but has frozen as early as accepting the licence ...
2
votes
1answer
338 views

How to add ISO images to UBCD4Win

First off, I love UBCD4WIN. I have, however, found other utilities or ISO images I would like to include with my current CD. When I open the menu.lst file, I notice it seems to only allow .IMG and ...
2
votes
2answers
255 views

HP Pavilion s3020.es died - how do I diagnose, and what motherboards are compatible?

My girlfriend got an HP Pavilion s3020.es some years ago (It came with Vista). The computer suffered from a "fall to the ground from 1 meter" syndrome. As a result it doesn't boot - the beeper keeps ...
1
vote
2answers
55 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
43 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 ...
10
votes
2answers
28k views

How to get results from Memory Diagnostics Tool?

I ran the Memory Diagnostics Tool in Windows 7 64 bit. I have 16G RAM. It reported hardware problems. This is a new system with new memory. When the system rebooted I was expecting an icon in the task ...
4
votes
0answers
903 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 ...
0
votes
1answer
49 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 ...
1
vote
1answer
209 views

What Is a Boot Failure 4 Digit Diagnostic Tool?

How do I use this device? Designed to troubleshoot PC boot failures, when PC doesn't even show Video Card/BIOS screen (thus no error code/info is available) 4-digit numeric display ...
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
379 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 ...
-1
votes
1answer
78 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
157 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 ...
5
votes
4answers
191 views

HD failure questions

I recently had one of my home PC hard drives fail. It was in a striped raid, so I had to rebuild the raid (no data lost, only the OS partition was there). Is there any way to diagnose exactly what ...
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
30 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
26 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 ...
3
votes
3answers
8k views

How-to determine the number of physical CPUs under both Windows and Linux

When running cat /proc/cpuinfo under Linux, a variety information is kicked-back. For example: > cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model ...
1
vote
2answers
367 views

Starting computer without CPU or with unsupported CPU can damage anything?

I'm building a vintage PC and It's not working. I'm using a Pentium 100 (A80502100) with a EPoX EP-MVP3G5. All is powered by a new Corsair cx400w. I've setted the VCore switches on the motherboard ...
0
votes
0answers
340 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
532 views

Ten year old computer started smelling strongly of ozone

Recently, I decided to rebuild a ten year old computer to use as a Linux server. After running it as a Minecraft server for five months, I got a new machine and took the HDD, power supply, and ...
1
vote
1answer
447 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 ...
2
votes
1answer
66 views

What are the symbols in VDT's output?

I've been messing with a curses-based disk check tool in Linux called VDT (visual disk test). It puts out a nice little chart on the screen as it's going, but I have no idea what each unit of output ...
0
votes
5answers
228 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
11k 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
90 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 ...
7
votes
7answers
2k views

What's making my disk thrash in Windows XP?

I have a sick Windows XP laptop; something's making the disk thrash and the entire system is sluggish to unresponsive a few minutes after boot. How do I figure out what is making the disk thrash? Task ...
1
vote
1answer
140 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 ...
2
votes
2answers
494 views

How to diagnose WiFi connection failures

I'm having trouble connecting to the WiFi in my new house. I'm sure I'm getting everything right - right network ID, right password type, right password (copied directly from the router's config page ...
0
votes
2answers
210 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 ...
1
vote
4answers
235 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 ...