Solving Usb Flash Drive Problems - HP Pro 4300 Maintenance And Service Manual

CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start.
Cause
Media has been inserted upside down.
The DVD-ROM drive takes longer to start because it has to
determine the type of media played, such as audio or video.
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.
Cause
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.
Table 7-15 Solving USB Flash Drive Problems
USB flash drive is not seen as a drive letter in Windows.
Cause
The drive letter after the last physical drive is not available.
USB flash drive not found (identified).
Cause
The device is attached to a USB port that has been hidden in
Computer Setup.
The device was not properly seated before power-up.
Solution
Re-insert the media with the label facing up.
Wait at least 30 seconds to let the DVD-ROM drive
determine the type of media being played. If the disc still
does not start, read the other solutions listed for this topic.
Clean CD or DVD with a CD cleaning kit, available from most
computer stores.
1. Use Device Manager to remove or uninstall the device.
2. Restart the computer and let Windows detect the CD or
DVD driver.
Solution
1. Try using a slower speed when recording.
2. Verify that you are using the correct media for the drive.
3. Try a different brand of media. Quality varies widely
between manufacturers.
Solution
Change the default drive letter for the flash drive in Windows.
Solution
Run the Computer Setup utility and ensure that "Device
available" is selected for "Front USB Ports" and "Rear USB
Ports" under Security > Device Security.
Ensure the device is fully inserted into the USB port before
applying power to the system
Solving USB Flash Drive Problems 109