Computer Hardware
A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

None of these
check the CONFIG.SYS
check the jumper setting on the cd-rw
add cdrw in the device manager
flash or upgrade the BIOS

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Computer Hardware
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

All of these
The cables are attached firmly
The external drive is turned on
The external drive has been pre¬loaded with the appropriate software
The external drive was attached before the computer was on

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