Lenovo IDEACENTRE 300s series, Maintenance Manual

Page: 34 / 59

Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches
or other damage.
To remove the front bezel:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the computer cover. Refer to “Removing the computer cover”.
Step 5. Remove the front bezel by releasing the three plastic tabs inside the chassis and pushing the
bezel outward as shown.
Step 6. To reattach the bezel:
a. Align the plastic tabs on the bottom of the bezel with the corresponding holes in the chassis,
and then snap it into position at the bottom and top of the chassis.
Step 7. Reattach the computer cover.
Replacing an optical drive
Note: For this procedure, it helps to lay the computer flat.
To replace an optical drive:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the computer cover. Refer to “Removing the computer cover”.
Step 5. Remove the front bezel. Refer to “Removing the front bezel”.
28
ideacentre 300S Series Hardware Maintenance Manual