Sony PCG-XG19 Manual

VAIO

® 

Notebook User Guide

72

3

Press 

Рto select System Time, then set the time (hour: minute: 

second). Press Enter to move to the next item.

4

Press 

Π

to select Exit, then press 

Рto select Get Default Values. The 

message “Load default configuration now?” appears.

5

Be sure Yes is selected, and press Enter. If No is selected, press 

Í

 to 

select Yes.

6

Select Exit (Save Changes), then press Enter. The message “Save 
Configuration changes and exit now?” appears.

7

Be sure Yes is selected, and press Enter. The computer restarts.

When I turn on my computer, the message “Operating system not found” 

appears and Windows does not start
❑

Check the floppy disk drive to see if a non-bootable diskette is in the 
drive. 

❑

If a non-bootable diskette is in the drive, turn off the computer, 
remove the diskette, and then turn on the computer again. Confirm 
that Windows starts properly. If Windows still does not start, follow 
the procedure below to initialize the BIOS.

❑

If the floppy disk drive is empty, follow the steps below to initialize 
the BIOS:

1

Remove any peripheral devices connected to the computer.

2

Turn off the computer and then turn it on again.

3

Turn on the computer and press the F2 key when the Sony logo 
appears. The BIOS setup menu screen appears.

4

Press the arrow keys to select the Exit menu.

5

Press the arrow keys to select “Get Default Values” and then press the 
Enter key. The message “Load default configuration now?” appears. 

6

Check that “Yes” is selected, then press the Enter key.

7

Press the arrow keys to select “Exit” (Save Changes) and then press 
the Enter key. The message “Save configuration changes and exit 
now?” appears.

8

Check that “Yes” is selected, then press the Enter key. The computer 
restarts.

If your computer still displays the message “Operating system not 
found” and Windows does not start, contact Sony Customer Support.