2 Troubleshooting 2.3 Power Supply Troubleshooting
2-8 [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
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 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 (Satellite R20) / blue
(TECRAM7), go to Procedure 4.
NOTE: Use a recommended AC adapter (G71C00043310 (2-pin), G71C0006Q210 (2-
pin), G71C00049510 (3-pin) or G71C0006R210 (3-pin)).