82
Chapter 4
Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power
adapter cable. See the following figure
1.
If the voltage is not correct, replace the power adapter.
2.
If the voltage is within the range, do the following:
Replace the System board.
If the problem is not corrected, see “Undetermined Problems” on page 96.
If the voltage is not correct, go to the next step.
NOTE:
An audible noise from the power adapter does not always indicate a defect.
3.
If the power-on indicator does not light up, check the power cord of the power adapter for correct
continuity and installation.
4.
If the operational charge does not work, see “Check the Battery Pack” on page 83.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
Summary of Contents for Aspire 6920
Page 6: ...VI ...
Page 10: ...4 Chapter 1 System Block Diagram ...
Page 11: ...Chapter 1 5 Board Layout ...
Page 12: ...6 Chapter 1 ...
Page 14: ...8 Chapter 1 Closed Front View ...
Page 15: ...Chapter 1 9 Left View ...
Page 16: ...10 Chapter 1 Right View ...
Page 17: ...Chapter 1 11 ...
Page 18: ...12 Chapter 1 Base view ...
Page 30: ...24 Chapter 1 ...
Page 62: ...62 Chapter 2 Then the HDD password will be unlocked and will auto into Windows after reboot ...
Page 66: ...64 Chapter 3 ...
Page 97: ...Chapter 5 97 Jumper and Connector Locations Chapter 5 ...
Page 98: ...98 Chapter 5 Bottom View ...
Page 99: ...Chapter 5 99 ...
Page 100: ...100 Chapter 5 ...
Page 102: ...100 Chapter 6 Aspire6920 Exploded Diagram ...
Page 103: ...Chapter 6 101 ...
Page 104: ...102 Chapter 6 ...
Page 105: ...Chapter 6 103 ...