IBM ThinkPad T20, Hardware Maintenance Manual

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Symptom-to-FRU index
No beep symptoms
Symptom or error FRU or action, in
sequence
No beep, power-on indicator
on, LCD blank, and no
POST 1. Make sure that every
connector is
connected tightly and
correctly.
2. DIMM.
3. System board.
No beep, power-on indicator
on, and LCD blank during
POST 1. Reseat DIMM.
2. System board.
No beep during POST, but
system runs correctly Speaker.
The power-on password
prompt A power-on password or a
supervisor password is set.
Type the password and
press Enter.
The hard-disk password
prompt A hard-disk password is set.
Type the password and
press Enter.
The DOS full screen looks
smaller. Start the ThinkPad
Configuration program and
set the Screen expansion
function.
ThinkPad T20
43