Acer Extensa 2540 User Manual page 64

64 - Frequently asked questions
Error messages
Keyboard error or no
keyboard connected
Keyboard interface
error
Memory size
mismatch
If you still encounter problems after going through the corrective
measures, please contact your dealer or an authorized service center
for assistance.
Corrective action
Contact your dealer or an authorized service
center.
Contact your dealer or an authorized service
center.
Press F2 (during POST) to enter the BIOS
utility, then press Exit in the BIOS utility to
reboot.