IBM PCjr Manual page 248

The First IBM PC/r Test Menu
Screen appears with a message under
Test Tag "J". The meaning of this
message is shown below:
* Your IBM PC/r and keyboard
are working properly. (If you
have done this test without the
optional IBM PC/r Keyboard
Cord and you have the optional
IBM PC/r Keyboard Cord, go to
step 5.)
B If you are using a cord with your
IBM PC/r keyboard, have your
IBM PC/r serviced. Refer to
"Service Information" in this
section.
If you are not using a cord with
your IBM PC/r keyboard, this
error can be caused by one of
the following:
• Direct Sunlight
• Bright florescent light
• Keyboard not lined up with
the IBM PC/r
• Keyboard batteries are low
or bad
If one or more of these
conditions exist, correct the
condition and return to
"Running the IBM PC/r Tests"
in this Section and select this
test again. If none of these
6-106 IBM PC/r Keyboard Test