Epson Epson - Manual (Page 157)

After you have changed JP49, restart your system, leave it on
for a few seconds, then turn it off again. This resets the SETUP
values to their factory defaults. Both the Supervisor and the
User passwords are disabled.
Remove the jumper from JP49. Then turn the computer on
again. If you want to set a new password, use SETUP as
described under “Selecting the Security Setup Options” in
Chapter 2.
Software Problems
Your operating system won‘t start after you installed the PCI
IDE drivers.
If you installed PCI IDE drivers for another operating system,
such as UNIX, make sure you followed the instructions in the
README file for the drivers. See “Installing the PCI IDE
Drivers” in Chapter 2 for instructions.
The application program does not start
Check that you are following the correct procedure for starting
the program and that it is installed correctly. If you need help,
contact your software manufacturer.
The application program cannot read a key disk.
You may be running an application that requires a slower
processor speed. From the MS-DOS prompt, you can reduce
the processor speed by pressing
Ctrl Alt --. Press Ctrl Alt + to
return to fast speed.
Troubleshooting 7-13