User Guide - Windows 10
Table Of Contents
- Welcome
- Components
- Network connections
- Screen navigation
- Entertainment features
- Power management
- Shutting down (turning off) the computer
- Setting power options
- Using power-saving states
- Using battery power
- Using external AC power
- Security
- Protecting the computer
- Using passwords
- Using antivirus software
- Using firewall software
- Installing critical security updates
- Using HP Client Security (select products only)
- Using HP Touchpoint Manager (select products only)
- Installing an optional security cable (select products only)
- Using a fingerprint reader (select products only)
- Maintenance
- Backup and recovery
- Computer Setup (BIOS), TPM, and HP Sure Start
- HP PC Hardware Diagnostics (UEFI)
- Specifications
- Electrostatic Discharge
- Accessibility
- Index
Testing an AC adapter
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to AC power:
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The computer does not turn on.
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The display does not turn on.
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The power lights are o.
To test the AC adapter:
1. Shut down the computer.
2. Remove the battery on the computer.
3. Connect the AC adapter to the computer, and then plug it into an AC outlet.
4. Turn on the computer.
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If the power lights turn on, the AC adapter is working properly.
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If the power lights remain o, the AC adapter is not functioning and should be replaced.
Contact support for information on obtaining a replacement AC power adapter.
Setting power options 49