Laptop seems to freeze after boot up

I have a customers Toshiba Satellite A100, which has a 40GB hard drive, 1GB RAM and runs a 1.4GHZ Celeron CPU.  
After a normal boot up the laptop seems to freeze for upto half a minute.  It will then come back and allow me to click on the start button.
Then when I open up windows (say Windows explorer), it is as though the window goes into the background and I have to click on it a few times before it becomes active or click Alt-Tab to get it back to the foreground.  It is an odd issue that I have never seen before.  I re-installed XP Home o the machine with all relevant drivers and it still does it.  I even put another , bigger, hard drive in and installed Windows with no Toshiba drivers and it still does it.
It makes for a very frustrating session of use and sometimes freezes up to the point where I have to kill the power in order to reset.

Any ideas?
mbellettyAsked:
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lamaslanyCommented:
Can you do a quick test:  stop the Windows Automatic Updates service.

Click Start > Run
Type 'net stop wuauserv' and click OK

A black box should pop up confirming that it is stopping the service.  

Does that make any difference?

To start the service again you can either reboot or:

Click Start > Run
Type 'net start wuauserv' and click OK

Obviously this isn't a cure but it might help to narrow down the issue.
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nobusCommented:
check if your disk drive runs in DMA mode, not PIO in device manager >ide/atapi controllers>primary>properties>advanced tab
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mbellettyAuthor Commented:
Thanks guys for yuor responses and assistance.  One thing I tried last night was to replace the USB powered wireless mouse that the client was using and low and behold the laptop started behaving.  I am testing it for longer periods now with a new wireless mouse, still usb powered, but it looks like it was a faulty wireless mouse and the problem is now resolved.  
It is interesting how some issues are resolved by things you would not expect.

Many Thanks for your help
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Computer101Commented:
PAQed with points refunded (250)

Computer101
EE Admin
0

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