It was the third case. Removing the drive, rebooting, etc. solved the problem.
Thanks.
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Shenan Stanley said:
The DVD burner stopped working since I installed the new windows
media player 11 yesterday. There is no red x on the DVD burner (in
device manager), but it will not enable, The error code is 22.
What should I do to fix this?
Code 22
-----------
The text displayed for this error code differs depending on the
circumstances.
. If this device is disabled because you disabled it using Device
Manager, the following text is displayed:
This device is disabled. (Code 22)
Click Enable Device to enable this device.
Solution button: Enable Device
. If the device is not started, the following text is displayed:
This device is not started. (Code 22)
Click Start Device to start this device.
Solution button: Start Device
. If the device is disabled by a driver or program, the following text
is displayed:
This device is disabled. (Code 22)
You can't enable this device because it has been disabled by a Windows
driver.
Solution button: None
This code means that the device is either disabled or has not started.
To resolve this error code, follow the recommended solution. For the third
case, try removing the device in Device Manager, then redetecting it using
the Add New Hardware wizard. If the problem persists, try a clean boot to
rule out software interference. If the error persists, contact the hardware
manufacturer.