2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-8 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)
Table 2-2 DC IN icon
DC IN icon Power supply status
Lights Blue DC power is being supplied from the AC adapter.
Flashes orange There is a problem with the power sup ply. *1
Doesn’t light Any condition other than those above.
*1 When the Power Supply Controller (PSC) detects a malfunction, the DC IN icon blinks
orange. It shows an error code.
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 blue, go to Procedure 4.
NOTE: Use a supplied AC adapter G71C0002SC10, G71C00043310 (2-pin)/
G71C0004A510, G71C00049510 (3-pin).