Toshiba Laptop performance problems

  Hugg6ear 15:01 27 Jun 2007

Toshiba Satellite 5205-S703 Laptop
Windows XP SP2
P4-M 2.0 ghz
1gb pc2100 ddr sdram
60gb Toshiba MK6021GAS 2mb buffer HDD

The laptop started intermittently having performance problems several months ago, with short periods of 100% CPU utilisation. Gradually over months it has become much worse. Now its either around 5% when idle or straight to 100%, task manager shows most usage charged to system. PCpitstop analysis summary shows the processor was a winner, nominal clock speed - 2000mhz, measured clock - 1200, and external clock - 100, speed rating 3473 97% of 187 others average 3617. Disk unusally low performance - 2mb/second against average 14.6. Memory is a winner. I have run roadkil's diskspeed on the disk, linear reads - 12mb/s and random reads 4mb/s. I ran a scan for and attempt recovery of bad sectors, it too 17hrs and found no errors, cpu was 100%. I have reformatted the disk and reloaded the system and latest drivers and BIOS twice.

Can anyone suggest ways I can determine where the problem might be, or any other advice?

  Hugg6ear 16:43 27 Jun 2007

I forgot to mention there wasn't any antivirus installed since the first re-format, and only MS firewall.

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