Dell OptiPlex GX150 - Manual (Page 108)

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Installing Upgrades: Dell™ OptiPlex™ GX150 System User's Guide
Computer Cover
To open the computer cover, perform the following steps:
1. Turn off your computer and peripherals, and observe the caution for your personal safety and protection of your equipment described in
" Safety First —For You and Your Computer ."
2. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.
3. Open the computer cover as follows:
NOTICE: Do not open the cover if the system is on the edge of a desk or table. Doing so may cause the system to tip over and
fall. Make sure that the system is situated so that there is at least 12 inches of desk- or table-top for the cover to rest on.
a. Press the two release buttons until the cover is free to swing up.
b. Raise the back of the cover, and pivot it toward the front of the system.
Opening the Small Form-Factor Computer Cover
Opening the Small Desktop Computer Cover
Computer Cover Hard Drives
Expansion Cards Diskette Drives
System Memory Optical Drives
AGP Graphics Card/GPA (AIMM) Card Front-Panel Inserts (Small Desktop and Mini-Tower Chassis)
Microprocessor Battery
VRM
CAUTION: Before you perform this procedure, see " Safety Information ."
NOTE: On the small form-factor and small desktop systems, remove the stand before you open the computer cover. On the small mini-
tower system, place the system on its side before you open the cover.
1 Security cable slot
2 Padlock ring
3 Release buttons (one on each side)
1 Release buttons (one on each side)
2 Padlock ring