Sony PCG-NV170P VAIO User Guide (primary manual) User Manual page 154

Troubleshooting Drives, PC Cards, and Peripheral Devices
My floppy disk drive icon doesn't appear even though it is connected.

Make sure the floppy disk drive is properly connected. Wait a few moments for the computer to recognize the drive.

Close all open applications, and make sure there is no disk in the floppy disk drive. Restart your computer with the
connected floppy disk drive.
Page 154