HP ENVY Sleekbook 4-1117nr User Guide - Windows 8 - Page 58

Troubleshooting an AC adapter

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When you disconnect external AC power, the following events occur: ● The computer switches to battery power. ● The display brightness automatically decreases to save battery life. ● The power meter icon on the Windows desktop changes appearance. Troubleshooting an AC adapter Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to AC power: ● The computer does not turn on. ● The display does not turn on. ● The power lights are off. To test the AC adapter: 1. Connect the AC adapter to the computer, and then plug it into an AC outlet. 2. Turn on the computer. ● If the power lights turn on, the AC adapter is working properly. ● If the power lights remain off, check the connection from the AC adapter to the computer and the connection from the AC adapter to the AC outlet to make sure the connections are secure. ● If the connections are secure and the power lights remain off, the AC adapter is not functioning and should be replaced. Contact customer support for information on obtaining a replacement AC power adapter. 48 Chapter 6 Managing power

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When you disconnect external AC power, the following events occur:
●
The computer switches to battery power.
●
The display brightness automatically decreases to save battery life.
●
The power meter icon on the Windows desktop changes appearance.
Troubleshooting an AC adapter
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
AC power:
●
The computer does not turn on.
●
The display does not turn on.
●
The power lights are off.
To test the AC adapter:
1.
Connect the AC adapter to the computer, and then plug it into an AC outlet.
2.
Turn on the computer.
●
If the power lights turn
on
, the AC adapter is working properly.
●
If the power lights remain
off
, check the connection from the AC adapter to the computer
and the connection from the AC adapter to the AC outlet to make sure the connections are
secure.
●
If the connections are secure and the power lights remain
off
, the AC adapter is not
functioning and should be replaced.
Contact customer support for information on obtaining a replacement AC power adapter.
48
Chapter 6
Managing power