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4-14 Removal and Replacement Procedures
4.11.1 Removing an Internal 3.5-Inch Hard Drive
1. Prepare the computer for disassembly (Section 4.2).
WARNING:
Power is continuous to the system board and power supply even when the power
switch is turned off. To prevent damage to the unit, disconnect the power cord from the power
source or the unit before beginning disassembly procedures.
2. Lay the computer down on its large base for greater stability.
3. Remove the access panel (Section 4.6).
4. Remove the front bezel (Section 4.7).
5. Disconnect the power 1 and data 2 cables from the back of the hard drive.
Disconnecting the Cables
6. Press the drivelock mechanism to unlock the hard drives. Drivelock 1 secures the
external drives in the desktop configuration; drivelock 2 secures all drives in the
minitower configuration and the internal drives in the desktop configuration.
Unlocking the Drives