IBM 380Z manual CRTset ortoboth

2. Bus adapter (if used)

If the screen is not rolling, run the monitor self-test as follows:

1.Power-off the computer and monitor.

2.Disconnect the monitor signal cable.

3.Power-on the monitor

4. Set the contrast to its maximum position.

5.Set the brightness control to the center detent position.

Check the		following			conditions:
The screen contrast and brightness control are
adjustable.
The	screen			is	either	white		or	light	gray, with a black
margin		(test margin).
The	screen			is	CRTset ortoboth		on	the	ThinkPad
Configration				program.
Note:		The	location of			the	test		margin	may vary with
		the	type		of monitor. It can be either at the top
		and/or bottom, or left and/or right of the
		screen.

If	you do	not see a test margin on the screen,	replace the
monitor. If		there is a test margin on the screen,	replace
the	system	board.

ThinkPad 380Z 19