Dell OptiPlex GX300 - Manual (Page 40)

Rotating the Power Supply Away From the System Board
To access some components on the system board, you may have to rotate the system power supply out of the way. To rotate the power supply,
perform the following steps:
1. Remove the computer cover as instructed in " Removing the Computer Cover ."
2. Disconnect the AC power cable from the AC power receptacle on the back of the power supply (see Figure 6).
Figure 6. Rotating the Power Supply
3. Free the power supply from the securing tab labeled "RELEASE - >, " and rotate it upward until it locks in its extended position.
Removing and Replacing the Front Bezel
To access some drive bays, you must first remove the front bezel. To remove the front bezel, you first must remove the computer cover (see
"
Removing and Replacing the Computer Cover "). With the cover removed, release the bezel by pressing the tab release marked with the icon (see
Figure 7).
Figure 7. Removing the Front Bezel
While pressing the tab release, tilt the bezel away from the chassis, disengage the two retaining hooks at the bottom of the bezel, and carefully pull
the bezel away from the chassis.
CAUTION: Before you remove the computer cover, see " Safety First —For You and Your Computer ."
1 Power supply
2 Release latch
3 AC power cable
4 Securing tab
5 DC power cable
1 Tab release
2 Retaining hooks (2)