No error of audio device in Compacq Presario CQ40 (windows xp)

Hello

I have not found that no sound in my Compacq Presario CQ40-337TU laptop model. I can't play all the songs and the video and the error show that no audio devices installed.

Model: Compacq Presario CQ40-337TU

P / N:MN564PA #UUF

Window XP SP2

Please help me... Thank you ~.

Hello

You have a few options as I see it.

First of all, unplug the AC adapter & battery then press and hold the power button on the unit for 30 seconds then check switch on/off the unit.

Go into Device Manager and uninstall the driver and restart and unit automatically installs the driver.

Try to run the system restore to the date where the unit was working fine.

Try to update the driver from hp.com for Audio & Bios site.

Let us know how it goes!

* Although I am an employee of HP, I speak for myself and not for HP.

Click the White Star Kudos to say thank you *.

Please check accept as Solution if it solves your problem *.

Concerning

Maton

Tags: Notebooks

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