Symptom(s):

PS/2 mouse no longer works after performing a BIOS update.

Solution:

To resolve this issue, reset the BIOS settings to factory defaults:

1. During boot, enter the BIOS setup by pressing F2.
2. Press F9 to set defaults.
3. Press F10 to Save and Exit.
 

This applies to:

Intel® Desktop Board D845EBG2 Intel® Desktop Board D845EPT2 Intel® Desktop Board D845GEBV2 Intel® Desktop Board D845GERG2 Intel® Desktop Board D845GLAD Intel® Desktop Board D845GLLY Intel® Desktop Board D845GLVA Intel® Desktop Board D845GVAD2 Intel® Desktop Board D845PEBT2 Intel® Desktop Board D845PESV Intel® Desktop Board D850EMD2 Intel® Desktop Board D850EMV2 Intel® Desktop Board D850GB Intel® Desktop Board D850MD Intel® Desktop Board D850MV