Hi everyone, I recently started using win8 on my hp dv600 and just three days ago, after I restarted it, I lost control of my pc's sound, power, brightness and everything else is working smoothly, all programs lunch correctly, but no sound, network connection, and power control, and Yes it boots to desktop but from there its just a dummy, I really need help, I have no idea what this is, here is my email:[Edited for Personal Information], please if anyone could assist me, I'll be glad!!
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