Yamaha CD Recordable/Rewritable Drive CRW2200 - Manual (Page 32)

Setup Procedures
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12 12 12 12 Attach the outer casing and all cables and peripheral devices of the
computer and any screws that were removed.
13 13 13 13 Reconnect the computer to the AC outlet and power it up.
When you power up the computer, make sure the LED on the panel of the
CRW2200E drive blinks in green, which shows that it is attempting to read disc
information. (→P. 37)