HL-DT-ST DVD +-RW GSA-H21N ATA Device is not working gives a code 10....tried for new drivers was all updated..tried to uninstall and reboot then reinstall nada. This is a acer comp.

Right click on “Computer” or “My Computer” in XP. Select Manage and then on the right side select device manager. On the left if you see a yellow exclamation mark next to your drive and were getting any of the above error codes then we have a simple fix.
Go ahead and right click on the CD or DVD drive that has a yellow exclamation mark next to it and select delete or remove.

try to search:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

Now that you are at the {4D36E965-E325-11CE-BFC1-08002BE10318} Folder on the right side you will see several entries. right Click and delete the Upperfilters and Lowerfilters. These will be remade once you reboot.

This will try to look for the drivers again..

How to upgrade HL-DT-ST RW/DVD GCC-4481B ATA Device