Epson EL 486UC - Manual (Page 40)

Resetting the Computer
Occasionally, you may want to clear the computer’s current
settings or its memory without turning it off. You can do this
by resetting the computer.
For example, if an error occurs and the computer does not
respond to your keyboard entries, you can reset it to reload
your operating system and try again. However, resetting erases
any data in memory that you have not saved; so reset only if
necessary.
Do not reset the computer to exit a program. Some programs
classify and store new data when you exit them. If you reset
the computer without properly exiting a program, you may
lose data.
When you reset the computer, the operating system must be
either on the hard disk or on a diskette in drive A; so if you do
not have a hard disk, insert the operating system diskette in
drive A. If you are using DOS, you can hold down Ctrl and Alt
and press Del.
You can also press the RESET button located on the front left
side of your computer. (See the illustration on page 1-7 to locate
the
RESET
button.) The screen displays nothing for a moment
and then the computer should reload the operating system.
If resetting the computer does not correct the problem, you
probably need to turn it off and on again. Remove any
diskette(s) from the diskette drive(s). Turn off the computer
and wait 20 seconds. If you do not have a hard disk, insert the
operating system diskette in drive A. Then turn on the
computer.
Using Your Computer 2-3