I use sony vaio notebook which having a designed for WindowsMe label. After i intstall winXP and use it for a while, it always restart itselfs. Even though I disable screen saver, hibernate, stand by mode, but it still restart.

Error message: ACPI BIOS Is Attempting to Write an Illegal Memory OpRegio

Please advice
Songkran

Hi,

You need a BIOS update from the system manufacturer, this is quite common.

--
Best of Luck,

Rick Rogers aka "Nutcase" MS-MVP - Win9x
Windows isn't rocket science! That's my other hobby!
http://mvp.support.microsoft.com/
Associate Expert - WinXP - Expert Zone
www.microsoft.com/windowsxp/expertzone
Win98 Help - www.rickrogers.org

"Songkran" <(E-Mail Removed)> wrote in message
news:41C930A9-327C-4571-9CEF-(E-Mail Removed)...
> I use sony vaio notebook which having a designed for WindowsMe label.
After i intstall winXP and use it for a while, it always restart itselfs.
Even though I disable screen saver, hibernate, stand by mode, but it still
restart.
>
> Error message: ACPI BIOS Is Attempting to Write an Illegal Memory OpRegion
>
> Please advice,
> Songkran