CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start.
CD or DVD disc is dirty.
Windows does not detect the CD-ROM or DVD-ROM drive.
Recording or copying CDs is difficult or impossible.
Wrong or poor quality media type.
Solving USB flash drive problems
If you encounter USB flash drive problems, common causes and solutions are listed in the following table.
USB flash drive is not seen as a drive letter in Windows.
The drive letter after the last physical drive is not available.
USB flash drive not found (identified).
The device is attached to a USB port that has been hidden in
The device was not properly seated before power-up.
Clean CD or DVD with a CD cleaning kit, available from most
Use Device Manager to remove or uninstall the device.
To access Device Manager in Windows 7, click Start, select
Control Panel, and then select Device Manager.
To access Device Manager in Windows 10, type device
manager in the taskbar search box, and then select Device
Manager from the list of applications.
Restart the computer and let Windows detect the CD or DVD
Try using a slower speed when recording.
Verify that you are using the correct media for the drive.
Try a different brand of media. Quality varies widely
Change the default drive letter for the flash drive in Windows.
Run the Computer Setup utility and enable USB ports in Advanced
> Port Options.
Ensure the device is fully inserted into the USB port before
applying power to the system
Solving USB flash drive problems 101