Acer Aspire 7540 Service Guide
Page 95
... voltage at the plug of the power adapter cable. Chapter 4 87 Go to main board. 2. Power System Check To verify the symptom of the problem, power on indicator does not light up, check the power cord of the power adapter for correct continuity and installation. 4. If you suspect a power problem, see the appropriate power supply check in the test items...
... voltage at the plug of the power adapter cable. Chapter 4 87 Go to main board. 2. Power System Check To verify the symptom of the problem, power on indicator does not light up, check the power cord of the power adapter for correct continuity and installation. 4. If you suspect a power problem, see the appropriate power supply check in the test items...