I have a:hp pavilion a6721nl desktop computer.Origenely with Windows vista.I have upgradet to windows 8.After that my cddvdw does'nt work anymore and i got the tekst:tsst corp cddvdw ts-h653z ata device.

details of the program are:windows\system32\drivers.cdrom.sys.
I removed the software and i wanted to install again but that does'nt work.
how do i fix that??
Please help. Let me think