Audio Problems; Power Management Problems; Resolving A Low Battery Level; Resolving A Low Battery Level When External Power Is Available - HP Laptop User Manual

To get the latest version of the WLAN device software for your computer, follow these steps:
1. Open your Internet browser and go to http://www.hp.com/support.
2. Select your country or region.
3. Click the option for software and driver downloads, and then type your computer model number
in the search box.
4. Press enter, and then follow the on-screen instructions.
NOTE: If the WLAN device you are using was purchased separately, consult the manufacturer's
website for the latest software.

Audio problems

To check the audio functions on your computer, follow these steps:
1. Select Start > Control Panel > Hardware and Sound > Sound.
2. When the Sound window opens, click the Sounds tab. Under Program Events, select any sound
event, such as a beep or alarm, and click the Test button.
You should hear sound through the speakers or through connected headphones.
To check the recording functions on your computer, follow these steps:
1. Select Start > All Programs > Accessories > Sound Recorder.
2. Click Start Recording and speak into the microphone. Save the file to your desktop.
3. Open a multimedia program and play back the sound.
To confirm or change the audio settings on your computer, select Start > Control Panel > Hardware
and Sound > Sound.

Power management problems

Some possible causes for power management problems include the following:
●
Low battery levels
●
AC adapter problems

Resolving a low battery level

Resolving a low battery level when external power is available

●
Connect an AC adapter.
●
Connect an optional docking or expansion device.
●
Connect an optional power adapter purchased as an accessory from HP.

Resolving a low battery level when no power source is available

●
Initiate Hibernation.
●
Save your work and shut down the computer.
Troubleshooting 73