Intermittent Problem - Computer Crashes unexpected

  Charlie Babbage 16:53 21 Feb 2006
Locked

What is the best way to troubleshoot an intermittent problem?

My computer switches itself off without warning. Sometimes I have only had it on a few minutes, other times it might have been on over an hour. After the crash, it does not reboot but a small flashing white cursor appears in the top left of the screen. It can be difficult to get it to reboot and I'm owndering if there could be a problem with the BIOS settings being corrupted. Sometimes if I go into BIOS and choose F5 - Default settings, it will reboot immediately, other times not.

Occasionally, it will only reboot after being left off for a while which may indicate an overheating problem although the fan is working ok. On attempting reboots, sometimes there is a clicking noise as if it is trying to access the hard disk.

The BIOS default boot screen shows:

1. Removable device: Legacy Floppy
2. ATAPI CD-RON: Samsung DC-R/RW D
3. IDE Hard Drive: Blank
4. Other Boot Device: Disabled

Boot-time Diagnostic Screen: Disabled

What I don't understand is that there is no mention of the C:\ drive where, of course, all the Windows operating files are stored. It is the same in the Main BIOS screen which shows:

Primary Master: Samsung CD-R/RW Drive
Primary Slave: Toshiba DVD-ROM SD-MI
Secondary Master: [ ]
Secondary Slave: {Auto]
Processor Serial Number: [Disabled]

Installed Memory: 384 MB / 133 Mhz
Memory Bank 1: 256 MB SDRAM
Memory Bank 2: 128 MB SDRAM

I'm running Windows XP SP2 with Avast anti-virus.

Last time it crashed, the following error messages appeared:

'Windows could not start because the following file is missing or corrupt:

\Windows\System32\Config\System' and

'Windows could not start because the follwoing file is missing or corrupt:

Windowsroot>\system32\ntoskrnl.exe'

Despite those messages, Windows did load to enable me to log on to the PC ADvisor site!!

Any suggestions will be much appreciated.

  Fruit Bat /\0/\ 17:16 21 Feb 2006

Looks like a problem with the hard drive.

Windows crashing as it tries to access certain system files.

HDD not being found on boot or in BIOS.

Advice buy a new HDD fit as master and install windows. fit old HDD as slave and copy everthing across whie it still works.

  ICF 18:44 21 Feb 2006

Try this click here

  ICF 19:00 21 Feb 2006

And try here for ntoskrnl.exe click here

  VoG II 19:04 21 Feb 2006
  Joe R 19:21 21 Feb 2006

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