Compaq presario f750us sound and dvd drive issues

Question

i have a compaq presario f750us runnin windows 7 ultimate 32-bit  when i first turn on the machine the sound and dvd drive work correctly but after about a hour of it being on both devices stop working an they dont appear in device manager.

Answer 1

Have you looked at your AutoPlay settings?
what is autoplay: http://windows.microsoft.com/en-us/windows/change-autoplay-settings#1TC=windows-7
FAQ tutorial: http://windows.microsoft.com/en-us/windows/autoplay-faq#1TC=windows-7
I am a volunteer. I am not an HP employee.
To say THANK YOU, press the "thumbs up symbol" to render a KUDO. Please click Accept as Solution, if your problem is solved. You can render both Solution and KUDO.
The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me KUDO and/or Solution, and I perform better.
(2) HP DV7t i7 3160QM 2.3Ghz 8GB
HP m9200t E8400,Win7 Pro 32 bit. 4GB RAM, ASUS 550Ti 2GB, Rosewill 630W. 1T HD SATA 3Gb/s
Custom Asus P8P67, I7-2600k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX660 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Custom Asus P8Z77, I7-3770k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX670 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Both Customs use Rosewill Blackhawk case.
Printer -- HP OfficeJet Pro 8600 Plus