speaker no shown and update error

[Taran11]

I by mistake deleted Realtek driver and from then on there is no speaker option in my output section in sound settings. i searched online and found about driver and installed it but didn't do anything. before deleting the driver the problem i was facing that if i chose speaker as output or my Bluetooth device as output, the output was coming into my Bluetooth device. now there is no speaker option and when I thought to see pending updates regarding this driver, i saw many pending updates other than this too but when in tried to update them, some downloading error showed every time, the error was 0x80070002. i don't know what to do know.

[Venom21]

Check for a System Restore point created before you uninstalled the sound driver and restore your system to that point. Avoid uninstalling the driver again unless specifically instructed. For any other issue and question create new post directly on that topic