Generally Heat or Power related. Is this an old computer? Have you ever opened it and cleaned it?
Check that all the fans are working?
Does this happen at regular intervals? e.g. every hour? every 2 hours? etc.
Does it restart right away with no problem?
You can try error searches here:
Also view your Error Log via:
[1] Start Menu
[2] Help and Support
[3] Pick a Task
[4] Tools
[5] Advanced System Information
[6] View the Error Log
Also: look in your
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 especially of errors that seem to coincide with a freeze.
Also: Go to
start | search (type in)
.dmp
Note the location of your latest .dmp file.
Then:
1) Download and install the
Debugging Tools from Microsoft
2) Download and install this
debugwiz
3) Open the Wiz & Browse to, or paste in the path to, your latest .dmp file.
4) After the Wiz creates a Text document attach it back to this thread.