HP 510N - Pavilion - 256 MB RAM Quick Start Manual page 99

Problem Solution
My computer won't
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turn on at all.
I installed a new
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printer or other
3
device, and it won't
work.
The computer doesn't
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make any sound.
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3
3
3
3
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HP Pavilion home PC
If the computer doesn't go through the above procedure, check the following:
The power cord and all cables are securely plugged into the computer.
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3 The power cord is plugged into a grounded outlet. Check to see whether the outlet
works by plugging another item into it.
The monitor is connected to the computer, plugged in, and turned on.
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Be sure that you installed the device drivers that came with the new device.
You may need an updated driver for Windows XP. For non-HP peripherals, contact the
vendor directly. For HP peripherals, visit the HP Web site. Refer to your Support Guide
for details.
Check the speaker connection.
Note: Some systems include an adapter cable for the speakers. The left and right speaker
cables plug into the adapter cable. The adapter cable plugs into the speaker port on
the back of the computer.
If your speakers have a power button, check whether it is turned on and the power
supply is turned on (select models only).
Remove the headphone connection.
Use the keyboard controls to increase the volume.
Press the Mute button on the keyboard to see if the mute feature is turned on.
Click the Volume icon on the taskbar. Increase the volume, and make sure the Mute
box is not selected.