System Reboots while idle. An event 41 is logged in the event log, but does not have any detailed information.
The above symptom is associated with, but not limited to, the following systems:
Microsoft Windows 7
Microsoft Windows XP Professional
Microsoft Windows XP Home Edition
The details for an event 41 should show a bugcheck code of 0, All bugcheck parameters should be 0, and the power button timestamp should be 0 for this TIP to be applicable. Please see attached screen shot:
If the systems CPU is stepping level "K0", update the BIOS to correct the above symptom. For M90z, update to 38A BIOS or later version. Currently 9BKT41A is available on the Lenovo support site.