•
•
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APPENDIX
A:
Problems and Error
Messages
Unreadable Disks, Files, and Programs
If you suddenly cannot use your disk, files or programs, static
electr'lcity m'lght be the cause, Try
hum'Id'lflers and anti-static
carpets to get rid of static electricity.
There are other causes. The System's built-in AC line filter shields
the system from minor changes
in
AC power, but extreme changes
can ruin programs and files
If
you think this
is
the problem, try
these remedies.
•
Fix
defective switches
on
nearby machines.
• Install bypass/isolation devices on noisy machines
in
your
area.
• Install a separate power line to your system
Error Messages
Whenever the System
is
turned on or reset
it
executes a built-in
diagnostic program
to
help insure that the System
is
in
good
working order, If
the
System detects a hardware fault or other
problem,
it
will display
an
error message - then stop, This
checkout program reduces the chance that you will lose time or
data w'lthout knowing it because of a defective system
This program does not check for multiple faults; as soon as the
first fault is found, the System displays the appropriate message
and stops
Before suspecting hardware problems, try the operation several
times. Recheck to see that
all
power and interconnections are
correct. As a last resort, try re-formatting the Operating System on
the Hard Disk Drive. Remember! FORMAT will erase all data on
Drive
4.
To prevent losing data altogether, be sure to keep
backup
copies of
all
data on the disk as you
go
along
If
a displayed error message looks like:
•
**
ERROR 24
**
or FILE NOT FOUND, see the Operating
System Errors table.
• BOOT ERROR DC, see the Boot Errors table.
• Neither of the above, see your application program manual. (It
might also be a descriptive operating system error generated
by the application program.)
To get a
br'lef descript'lon
of
a numbered error, type ERROR
followed by the number, For example, type:
ERROR
31
(ENTER)
and your screen shows'
PROGRAM NOT FOUND
39
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