Epson 500 Series User Manual

      Numeric coprocessor problems

   CMOS battery problems.

If the suggestions here do not solove the problem, perform the steps

below to identify your system and make a note of any error

messages your computer displays. Then contact your Authorized

FPSON Servicer or call the EPSON Connection at 1-800-922-8911

in the United States or 1-800-GO-EPSON in Canada.

When you request technical assistance, be ready to provide the

serial number of your computer, its ROM BIOS version number,

its configuration (including the types of disk drives and options),

and the names and version numbers of any software programs

you are using.

You can find the serial number on the underside of the computer.

If you are able to use your computer, follow these steps to obtain 

information about your configuration, as well as the version

number of your system BIOS  and MS-DOS:

1.

Turn on your computer or press Ctrl Alt Delete to restart it.

As the computer perform its power-on diagnostics, it displays

the version number of your system BIOS as part of the

copyright information. We    down the number.

write down any information aoubt your setup  shown on the

configuration screen that may help in identifying the proglem.

After the MS-DOS prompt appears, type VER and press Enter

do display the MS-DOS version number.  Write it down.

A-2

Troubleshooting