IBM 560 (2640) Clock Radio User Manual


 
Symptom / Error FRU / Action in Sequence
The system will not
power-off.
(See “Power Shutdown
Switch” on page 340.)
1. Press the power
shutdown switch.
2. System board
Function/Audio-Related Symptoms
Symptom / Error FRU / Action in Sequence
The system will not suspend
or resume by opening or
closing the keyboard.
1. Go to “Suspend
Mode” on page 356
and check that the
computer can enter
suspend mode.
2. Boot an operating
system and press
Fn+F4. If the
computer enters
suspend mode,
suspect that the
application program is
not working properly.
3. Keyboard card
4. Video card
5. System board
The system will not suspend
or resume by opening or
closing the LCD.
1. Go to “Suspend
Mode” on page 356,
and check that the
computer can enter
suspend mode.
2. Boot an operating
system and press
Fn+F4. If the
computer enters
suspend mode,
suspect that the
application program is
not working properly.
3. LCD assembly
4. Video card
5. System board
Battery fuel gauge does not
go higher than 90%.
Go to “Checking the
Battery Pack” on
page 351 and see the
note.
Memory count (size)
appears different from
actual size.
Go to “Memory Checkout”
on page 342.
System configuration does
not match the installed
devices.
Go to “Checking the
Installed Devices List” on
page 374.
System hangs intermittently. Go to “Intermittent
Problems” on page 370.
368 IBM Mobile Systems - ThinkPad HMM Volume 3