Acer 4150 Series User Manual page 54

46
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. Some problems may be solved using the BIOS utility.
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.