Hardware reference guide
Table Of Contents
- Product Features
- Microtower (MT) Hardware Upgrades
- Serviceability Features
- Warnings and Cautions
- Removing the Computer Access Panel
- Replacing the Computer Access Panel
- Removing the Front Bezel
- Removing Bezel Blanks
- Replacing the Front Bezel
- System Board Connections
- Installing Additional Memory
- Removing or Installing an Expansion Card
- Drive Positions
- Installing and Removing Drives
- Installing a Security Lock
- Small Form Factor (SFF) Hardware Upgrades
- Serviceability Features
- Warnings and Cautions
- Removing the Computer Access Panel
- Replacing the Computer Access Panel
- Removing the Front Bezel
- Removing Bezel Blanks
- Replacing the Front Bezel
- Changing from Desktop to Tower Configuration
- System Board Connections
- Installing Additional Memory
- Removing or Installing an Expansion Card
- Drive Positions
- Installing and Removing Drives
- Installing a Security Lock
- Battery Replacement
- Removing and Replacing a Removable 3.5-inch SATA Hard Drive
- Unlocking the Smart Cover Lock
- Electrostatic Discharge
- Computer Operating Guidelines, Routine Care and Shipping Preparation
- Index

Removing the Front Bezel
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as compact discs or USB flash drives, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board
as long as the system is plugged into an active AC outlet. You must disconnect the power cord
to avoid damage to the internal components of the computer.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
7. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis (2).
Figure 3-3 Removing the Front Bezel
Removing Bezel Blanks
On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch drive bays that need to
be removed before installing a drive. To remove a bezel blank:
1. Remove the access panel and front bezel.
Removing the Front Bezel 47