Lost sound laptop-ATI and IDT files deleted, restored, but still no sound

Hello

By mistake I deleted files ATI high definition Audio Device and IDT Audio Codec.

When I realized that these were system files I restored them and reloaded the drivers, but I have still no sound and YouTube videos crash after about 10 seconds.

I checked the drivers in the Device Manager and for the IDT Codec, I get:

"Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might be installed a file that is signed incorrectly or damaged, or maybe it's a malicious software from an unknown source. (Code 52)  "

Ideas everyone.

Thank you

Success!

In 'Control Panel' came in "Troubleshooting" and then "hardware and sound" and then under "Sound" automatically reloaded the drivers and it works again.

In "Setup/sound Panel" under 'Record and playback' IDT HD Audio CODEC drivers have reinstalled for speakers and headphones etc..

Have all the sounds back

Tags: Windows

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