Problems with the sound button and the wireless button

I have a computer laptop dv6-2155dx, and he has a problem with the sound, the button bar button and the wireless button, all of them continue to work, I do not know if I made a mistake and let them turn off or there is another way to get available.

I need some advice.

Hello

Do a hard reset:

1 disconnect all devices and remove all USB devices and multimedia cards.

2 disconnect the power adapter, remove the battery and then press in and hold the button for at least 1 minute.

3 reconnect the power adapter (do not connect the battery), press the power button

Verification is your problem is resolved or not.

Tags: Notebooks

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