> I checked; > > less /var/log/dmesg > > it says BIOS Corrupt. > > ACPI-0584: *** Warning: Type override - [DEB_] had invalid type (Integer) > for Scope operator, changed to (Scope) I would run HP SmartStart Diagnostics. If you are not running the most current version of your system firmware, you might consider upgrading to the most recent firmware. HTH, Barry