Sony PCV-E204 - Manual (Page 41)

Removing, Installing, and Replacing Components 33
18 If the error message “Error: Check date and time settings.” appears
during the reboot sequence, press F3, then press F2 to access the BIOS
Setup Utility. If no error message displays, the computer’s BIOS
settings were retained during the battery replacement and you can
skip the remaining steps.
19 Refer to the list you made in step 3 and restore any non-default BIOS
settings (see
“BIOS Setup Options” on page 73).
20
Press ESC, then select Exit from the main menu using the right arrow
key.
21
Select Exit Saving Changes using the down arrow key, then press
Enter to save the changes and exit the BIOS Setup Utility.
The computer’s BIOS settings are now restored.