Toshiba PORTEGE M400 Maintenance Manual page 56

2 Troubleshooting
When icons are blinking, perform the following procedure.
1. Remove the battery pack and the AC adapter and cut off the power supply to the
computer by force.
2. Re-attach the battery pack and the AC adapter.
If icons are still blinking after the operation above, check the followings:
Check 1
Check 2
Check 3
NOTE: Use a recommended AC adapter (G71C00043310 (2-pin), G71C00049410 (3-
2-8
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If the DC IN icon blinks orange, go to Procedure 2.
If the DC IN icon does not light, go to Procedure 3.
If the battery icon does not light orange or green, go to Procedure 4.
pin) or G71C00049510 (3-pin)).
[CONFIDENTIAL]
2.3 Power Supply Troubleshooting
PORTEGE M400 Maintenance Manual (960-541)