IBM 2140 Monitor, Screen?, Did the Display SELF-TEST Pattern Remain on the Screen, Yes No 004

Monitor

First, review the “Display Self Test” on page 3-12, then follow step 001.

001

– Power-off

the

system

unit

and

monitor.

– Remove

all

adapter

cards.

– Make

sure

the

monitor

I/O signal cable is properly connected to the

system

unit

and

monitor.

– Make

sure

the

power

cords

are

properly connected

to the system unit and

monitor,

and

that

the

line

voltage

is correct. See

“Power

Supply” on

page

2-34.

– Make

sure

the

monitor

contrast

and

brightness controls are

not adjusted

too

low.

– Power-on

the

monitor,

and wait

20

seconds.

– Power-on

the

system

unit.

Note: Because monitor models might differ, review the Display Self Test before attempting to answer the following questions. The test has changed from previous levels. If the monitor was not sold together with the system unit, you might need to refer to the service information provided with the monitor.

– If		you are not familiar with					the	self-test pattern produced by the Display
Self		Test, refer to step 4 of “Display Self Test” on page 3-12 for a
description			of	the self-test pattern.
Note:		Do not run		the	Display	Self Test. Do not unplug the monitor I/O
		signal	cable from the			system		unit.
DOES	THE	DISPLAY	SELF-TEST	PATTERN	APPEAR ON	THE	SCREEN?
Yes	No

002

Go to Step 006 on page 2-54.

003

Unplug the monitor I/O signal cable from the system unit.

DID THE DISPLAY SELF-TEST PATTERN REMAIN ON THE SCREEN

Yes No

004

(Step 004 continues)

Check Procedures2-53