Is this the computer:
http://sys.us.shuttle.com/ModelsG2.aspx
http://sys.us.shuttle.com/Images/Buy/PDF/SB61G2.pdf
http://sys.us.shuttle.com/Scgsupport/Sys_SelfHelp.html
You reloaded the BIOS and that didn't change anything?
Does it still work for like 30secs?
See if anything shows up in the Event Viewer:
Event viewer: rt. click
My Computer then click
Manage then
Event Viewer.
Or:
Administrative Tools/Event Viewer or
Start/Run/ eventvwr
Open the
system as well as the
application tabs & look for
X errors. Click error line for details.
Post back the
source &
event id &
Description especially of errors that seem to coincide with this issue.
Also check the
Information lines that might coincide with this issue.
How to view and manage event logs in Event Viewer in Windows XP