Sony PCV-L400 - Manual (Page 35)

Removing, Installing, and Replacing Components 27
16 If the error message “Error: Check date and time settings.” appears
during the reboot sequence, press DEL to access the CMOS Setup
Utility. If no error message displays, the computer’s CMOS settings
were retained during the battery replacement and you can skip the
remaining steps.
17 Refer to the list you made in step 3 and restore any non-default
CMOS settings (see
“CMOS Setup Options” on page 65).
18
Select SAVE & EXIT SETUP from the main menu using the arrow
keys, then press Enter.
19
Type Y, then press Enter to save the changes and exit the CMOS Setup
Utility.
The computer’s CMOS settings are now restored.