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How to Fix a Code 19 Error

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In this article we'll discuss:

What is a Code 19 Error?
Error code 19 is a common error reported by the Windows Device Manager. Error codes help you to identify a particular problem. The Device Manager is an inventory of all hardware devices connected to your computer. If a particular device is reporting a code 19 error, then it will not be able to start at all.

Common Causes of a Code 19 Error
Code 19 errors occur in the device manager for a variety of reasons, although most problems are driver-related. If you have an out-of-date driver installed for the hardware, you may experience a code 19 error. The error may also occur due to the driver being missing entirely or the system files associated with it being damaged in some way. Driver files may be damaged due to a malicious software attack, a failed installation or a variety of other reasons. In other cases, the actual device itself may be causing the problem. If the hardware is damaged or not physically installed correctly, you may encounter this error. It is also possible that the error may be down to a problem with the system registry. This is often the case with regards to CD/DVD drives. The system registry is a core component of the Windows operating system and it contains essential things such as software and hardware configuration details. If you have recently made a change to your computer and the problem has only just appeared, then it could be due to that

How to Fix a Code 19 Error
Rarely, the error may just be a one-off fluke. It is worth simply restarting the computer to see if the problem goes away before you attempt the following fixes.

Fix #1 - CD/DVD Error Code 19

If error code 19 occurs with a CD or DVD drive, then it is most likely to be caused by a problem with the system registry.
1. Press the Windows key and "R" and type "regedit" without the quotes. Press Enter to open the Registry Editor.
2. Navigate to the following key in the registry: HKEY_LOCAL_MACHINE\ SYSTEM\CurrentControlSet\Control\Class\{4d36e965-e325-11ce-bfc1-08002be10318}.
3. In the right-hand side of the Registry Editor, select and delete the UpperFilters and LowerFilters keys.
4. Close the Registry Editor and restart Windows.

Fix #2 - Reinstall the Drivers

If you are experiencing device error code 19 with hardware other than your optical disk drive, then you may want to try installing new drivers for it. Be aware that, for many components, Windows provides drivers automatically. CD drives, for example, are always installed by Windows and do not require third-party drivers.
1. Determine the name, manufacturer and model number of the hardware device. You should be able to get the required information from the Device Manager itself.
2. Visit the manufacturer's website and download the latest drivers for that hardware device. Be sure to get the correct ones for your version of Windows. You will need a 64-bit driver for a 64-bit operating system and a 32-bit driver for a 32-bit one. If there is none available, then the device may not be compatible with your version of Windows.
3. Run the downloaded file and follow the on-screen instructions to complete the driver installation wizard. Restart your computer afterwards.

Fix #3 - Run System Restore

If the problem occurred only recently after having installed a new driver or program or making a significant change to the system settings, you may want to try System Restore. Be aware, however, that this will also require you to reinstall any software installed after the restore point was created.
1. Open the Control Panel and click "System and Security" followed by "System." Ensure that the "Category" view is switched on.
2. Click "System Protection" in the left-side pane.
3. Click "System Restore."
4. Click "Next," highlight the most recent restore point and click "Next" again.
5. Allow System Restore to fix your computer. This can take some time. Restart the PC when prompted.

While the above steps should fix most instances of error code 19, you should also be aware of the risks of manually editing the system registry. If you would rather take a safer approach, you may want to try a third-party automated registry repair tool.

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