Optiarc dvd rw ad-7561a ata device

Had the same issue and was able to resolve it by going to HP Compaq's websibe (for you it would be eMachine) and they provided the following information & i uninstalled the driver in device manager after running the below fix, scan the system for new hardware and the DVD drive appeared with the correct driver. hope this helps. good luck.

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To resolve this issue, remove upper and lower limits from the registry. Upper and lower limits are points of your computer's registry that control the drivers for your specific device—in this case, the optical drive. Remove upper and lower limits from the registry using the Microsoft Fix this problem link below: If Microsoft's automatic fix does not resolve the issue, try using the other methods listed in this document to troubleshoot the issue.

Hi!

The code 10 error indicates a driver problem. To resolve this, try the steps below.

1.
Go to Device Manager (Control Panel > System > Device Manager) and uninstall the device driver first. Please reboot the computer. Windows should automatically install the best driver for your device.

2.
If you still have the same error message, you must install the specific driver for your device. It can be found on the CD that came with it. Run the setup CD of your device and follow the instructions during the Setup Wizard.

3.
You can manually install the driver. Go to Device Manager again, look for Disk Drives. Right-click your device with the Code 10 problem then click on Update Driver/Software. Then choose specifically the driver for Vista which you can find/browse on the CD.

If you don't have the Setup CD that came with it, you can download the driver HERE