2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
2-8 PORTEGE M300 Maintenance Manual (960-504)
Table 2-2 DC IN icon
DC IN icon Power supply status
Lights green DC power is being supplied from the AC adapter.
Blinks orange Power supply malfunction*1
Doesn’t light Any condition other than those above.
*1 When the power supply controller detects a malfunction, the DC IN icon
blinks and an error code is displayed.
When the icon is blinking, perform the following procedure.
1. Remove the battery pack and the AC adapter.
2. Re-attach the battery pack and the AC adapter.
If the icon is still blinking after the operation above, check the followings:
Check 1 If the DC IN icon blinks orange, go to Procedure 2.
Check 2 If the DC IN icon does not light, go to Procedure 3.
Check 3 If the battery icon does not light orange or green, go to Procedure 4.
NOTE: Use a supplied AC adapter G71C0001A310, G71C0002S310, G71C0004A210 or
G71C00049210 (Option).