IBM 2140, 2142 manual Keyboard, Did the Symptom REMAIN?, Yes No, Or a

Keyboard

001
A failing	mouse	can show up as a keyboard failure.
– Power-off the		system unit.
– (Type	2140)	Disconnect the mouse from the system unit.
– (Type	2142)	Disconnect the mouse from the Media Console.

–Power-on the system unit.

DID THE SYMPTOM REMAIN?

Yes No

002

Replace

the

failing

mouse.

003

– Power-off

the

system

unit

and

wait 10 seconds.

– Reinstall

the

mouse.

– Ensure

the

keyboard

cable

is

fully inserted into the system unit (Type

2140)

or

Media

Console

(Type

2142).

– Remove any foreign objects that might interfere with the mechanical

operation

of

the

keybuttons.

– Power-on

the

system

unit.

DID

YOU RECEIVE

A

3XX

OR A

5803

POST

ERROR?

Yes

No

004

Go to Step 008 on page 2-40.

005

–	For	(Type	2140), go to Step 008	on	page 2-40.
–	For	(Type	2142):
	Power-off the system unit and wait 10 seconds.
	Disconnect		the keyboard cable	and	the mouse	cable	from the Media
	Console.
	Connect the keyboard cable and			mouse cable		to the	system board at
	the rear of the tower.
	Power-on the system unit.
(Step 005		continues)

Check Procedures2-39