SYMPTOM-TO-FRU INDEX
Symptom / Error
FRU / Action in Sequence
The PC Card does not
work.
1. Reseat the PC Card
2. Check that the PC
Card is enabled in the
ThinkPad Configuration
program
3. Reseat the PCMCIA
slot assembly.
4. PCMCIA slot assembly
5. System board
Peripheral-Device-Related Symptoms
Symptom / Error
FRU / Action in Sequence
The external monitor does
not work correctly.
Connect the external
monitor to another PC. If
the monitor works fine,
replace the system board.
If not, replace the external
monitor.
Printer problems.
1. Run printer self-test.
2. Parallel port wrap test.
3. System board
4. Printer cable
Serial or parallel port device
problems.
1. Serial/parallel port
wrap test.
2. Device
3. Reseat the DC-DC
card
4. DC-DC card
5. System board
6. Device cable
Power-Related Symptoms
Symptom / Error
FRU / Action in Sequence
Power shuts down during
operation.
1. Go to “Power
Systems Checkout”
on page 36.
2. Battery pack
3. Remove the battery
pack and let it cool for
2 hours.
4. DC-DC card
5. System bard
6. Check the power outlet
The system does not power
off.
(See “Reset Switch” on
page 23.)
1. Press the power
shutdown switch.
2. DC-DC card
3. System board
ThinkPad 770, 770E, 770X and 770Z
65
Summary of Contents for ThinkPad 770E
Page 80: ...FRU REMOVALS AND REPLACEMENTS 74...
Page 102: ...FRU REMOVALS AND REPLACEMENTS Locate the microphone spacer and cable 96...
Page 111: ...FRU REMOVALS AND REPLACEMENTS ThinkPad 770 770E 770X and 770Z 105...
Page 123: ...PARTS LIST Parts List ThinkPad 770 770E 770X and 770Z 117...
Page 136: ...IBM Part Number 37L5152 Printed in U S A S1 L 9621 2...