power management

[Mick]

I have just changed standby time setting from 45
minutes,it worked every time at that setting. Went to
longer setting, several hours, then decided to return to
45 minutes. Now it will not go into standby at all no
matter what the time setting. Any ideas?

 

[Thorsten Matzner]

I have just changed standby time setting from 45
minutes,it worked every time at that setting. Went to
longer setting, several hours, then decided to return to
45 minutes. Now it will not go into standby at all no
matter what the time setting. Any ideas?

Try the System Restore tool: "How to Restore the Operating System to a
Previous State in Windows XP"
(http://support.microsoft.com/?kbid=306084).