IBM Aptiva Handbook page 84

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To replace or remove the hard disk drive, do the following:
1.
Make sure to disconnect the power and signal cables
from the CD-ROM drive and the diskette drive.
2.
Remove the four screws that secure the bay holder to
the metal frame of the systemunit.
8-10 Chapter 8: Adding and removing adapter cards and drives
3.
Turn the bay holder upward and forward about 60
and disconnect the signal and power cables from the
hard disk.
4.
Lift the securing base and remove the system unit.
5.
Turn the bay holder upside down and put it on the
table.
6.
Remove the four screws that secure the hard disk to
the bay holder.
7.
Lift the hard disk and remove it.
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