Epson EL 486UC - Manual (Page 109)

Diskette Drive Problems
A newly-installed diskette drive is not working properly.
Make sure you have installed the drive correctly and check all
the cable connections.
You see a diskette drive error when you start your computer.
Run the SETUP program and configure your system for the
correct type of diskette drive.
The diskette drive is making loud or unusual noises.
Contact your service representative or Epson Direct.
Hard Disk Drive Problems
A newly-installed hard disk drive is not working properly.
Make sure you have installed the drive correctly and check all
cable connections. Also, check the jumper settings on your
drive.
You see a hard disk drive error when you start your system.
Run SETUP and update your system configuration for the hard
disk drive. Make sure you selected the correct drive type.
Make sure the jumpers on the system board are set correctly.
See Chapter 3 for jumper information.
6-8 Troubleshooting