Cannot connect to the wireless router, Audio problems, Power management problems – HP Pavilion g4-2149se Notebook PC User Manual
Page 75: Resolving a low battery level, Audio problems power management problems
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Wireless device encountered interference from other devices.
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Wireless device or router hardware has failed.
NOTE:
Wireless networking devices are included with select computer models only. If wireless
networking is not listed in the feature list on the side of the original computer package, you may add
wireless networking capability to the computer by purchasing a wireless networking device.
Cannot connect to the wireless router
If you are trying to connect to the wireless router and are unsuccessful, reset the wireless router by
removing power from the router for 10 to 15 seconds.
If the computer still cannot make a connection to a WLAN, restart the wireless router. For details, see
the router manufacturer's instructions.
Audio problems
To check the system sound on your computer, follow these steps:
1.
Select Computer > Control Center.
2.
In the left pane, click Hardware, and then click Sound in the right pane.
3.
Click the Sound Effects tab, and then select one of the sound options under Choose an alert
sound to test each sound.
To check the recording functions of the computer, follow these steps:
1.
Select Computer > Control Center.
2.
In the left pane, click Hardware, and then click Sound in the right pane.
3.
Click the Input tab, and then select Microphone or Line-in in the drop-down menu next to
Connector.
4.
Adjust the input volume by moving the Input volume slider to the desired setting.
NOTE:
For best results when recording, speak directly into the microphone and record sound in a
setting free of background noise.
To confirm or change the audio settings on your computer, right-click the Sound icon in the
notification area, at the far right of the taskbar.
Power management problems
Some possible causes for power management problems include the following:
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Low battery levels
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AC adapter problems
Resolving a low battery level
Resolving a low battery level when external power is available
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Connect an AC adapter.
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Connect an optional docking or expansion device.
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Connect an optional power adapter purchased as an accessory from HP.
Troubleshooting
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