I'm running Windows 7 Ultimate on an HP 580T with 12 Gigs of RAM.
For about a week now, I'm noticing the system time keeps falling back one hour.
When it was time to "spring ahead" one hour, the clock updated as it should. But Im noticing during the last week or so that the time has fallen back one hour.
I've gone to the change date and time settings and corrected the time but within a few hours, it falls back again.
When I go to the BIOS, the system clock has the correct time so I'm guessing it is something in Windows.
The steps I've taken are:
Virus scan in safe mode: negative results.
Malware scan in safe mode: negative results.
Windows updates are current.
I've disabled synchronization with a network time server.
You don't realize how important the correct time is on you computer until it is wrong!