RUNNING THE DIAGNOSTICS
3. Click on USB-1 to run the test.
Follow the instructions on the screen. OK appears if
the test passed, but three lines of error codes appear
if the test failed. The defective FRU must be the
system board.
If you want to test the USB port on the port replicator,
connect the USB parallel test cable to a port
replicator and click on USB-2.
If you want to test the USB ports on a docking
station, connect the USB parallel test cable to the
USB ports of the docking station and click on USB-3
and USB-4.
Displaying the Error Log
Diagnostic errors are printed on a printer attached to the
parallel port when the error is detected. The error is also
logged in the system memory.
Use the following procedure to display the errors:
1. Enter the advanced diagnostic test.
2. Press Ctrl
+
E.
3. The error log appears.
4. To exit the screen, click on Exit or press Esc.
The error log is not saved when system power is turned
off.
42
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...