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

Symptom/Error FRU/Action in Sequence
No beep, power-on
indicator turns on and
LCD is blank. But
you can see POST
on an external CRT.
Reconnect the LCD connec-
tors.
LCD inverter ID
LCD LVDS board (for
14.1–inch LCD)
LCD FPC cable
LCDinverter
LCD
Systemboard
No beep, power-on
indicator turns on and
a blinking cursor
shown on LCD during
POST.
Ensure every connector is
connected tightly and cor-
rectly.
Systemboard
No beep during
POST but system
runs correctly.
Adjust the audio volume
control.
Speakerconnector
Systemboard
Note: The buzzer is on the
system board.
Keyboard/TrackPoint-Related
Symptoms
Symptom/Error FRU/Action in Sequence
Keyboard (one or
more keys) doesn't
work.
Go to “Keyboard and External
Input Device Check” on
page 114.
Reconnect keyboard cables.
Keyboard
Systemboard
TrackPoint does not
work.
Go to “TrackPoint IV Check”
on page 115.
Reconnect keyboard cables.
TrackPointboard
Keyboard
Systemboard
LCD-Related Symptoms
ThinkPad i Series 1400 (Part II) 125