单项选择题
A user states while making several attempts to install a new version of their graphics application,they place the disk in the drive and the LED blinks but nothing happens. Which of the following is the FIRST action to perform?（）
A. Clean the drive with an approved cleaning disk.
B. Check the media for scratches or cracks.
C. Replace the drive with a known good one.
D. Verify the type of media and drive.
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