IBM 1400 (2611) manual Keyboard/TrackPoint-Related Symptoms, LCD-Related Symptoms

Ÿ Adjust the audio volume control.

Ÿ Speaker connector Ÿ System board

No beep during POST but system runs correctly.

No beep, power-onŸ Reconnect the LCD connec- indicator turns on and tors.

LCD is blank. But Ÿ LCD inverter ID you can see POST

on an external CRT. Ÿ LCD LVDS board (for 14.1–inch LCD)

Ÿ LCD FPC cable Ÿ LCD inverter

Ÿ LCD

Ÿ System board

No beep, power-onŸ Ensure every connector is indicator turns on and connected tightly and cor-

a blinking cursor rectly.

shown on LCD during Ÿ System board POST.

FRU/Action in Sequence

Symptom/Error

Note: The buzzer is on the system board.

Keyboard/TrackPoint-Related

Symptoms

Symptom/Error			FRU/Action		in	Sequence
Keyboard	(one	or	Ÿ	Go to “Keyboard and External
more keys) doesn't				Input		Device Check”		on
work.				page		114.
			Ÿ	Reconnect			keyboard	cables.
			Ÿ	Keyboard
			Ÿ	System board
TrackPoint	does	not	Ÿ	Go	to	“TrackPoint IV		Check”
work.				on	page 115.
			Ÿ	Reconnect			keyboard	cables.
			Ÿ	TrackPoint board
			Ÿ	Keyboard
			Ÿ	System board

LCD-Related Symptoms

ThinkPad i Series 1400 (Part125 II)