Sony VAIO PCG-FX310K, User Manual, Page: 125 / 166

Troubleshooting Your Notebook
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7 Select Yes, and then press Enter. The notebook restarts.
My notebook starts, but the message “Operating system not found” appears and
Windows does not start.
Make sure there is no floppy disk in the floppy disk drive (non-bootable).
❑
If a non-bootable floppy disk is in the drive, follow these steps:
1 Turn off the notebook, and then remove the floppy disk.
2 Restart the notebook and confirm that Windows starts properly.
❑
If Windows still does not start, follow the steps below to initialize the BIOS:
1 Remove any floppy disk from the floppy disk drive.
2 Turn off the notebook.
3 Remove any peripheral devices connected to the notebook.
4 Turn the notebook back on.
5 Press the F2 key when the Sony logo appears. The BIOS setup menu
screen appears.
6 Press the directional arrow keys to select the Exit menu.
7 Press the arrow keys to select “Get Default Values” and then press
Enter. The message “Load default configuration now?” appears.
8 Select Yes, then press Enter.
9 Use the directional arrow keys to select “Exit” (Save Changes), and then
press Enter. The message “Save configuration changes and exit now?”
appears.
10 Select Yes, then press Enter. The notebook restarts.
If your notebook continues to display the message “Operating system not found,”
and Windows does not start, use your supplied System Recovery CD to restore
the operating system and software titles shipped with your notebook. See “To use
the System Recovery CD(s)” for more information.
The System Recovery CD restores your notebook to its original state, so user
data and applications will be lost.