Lenovo Legion Y720T, Руководство по техническому обслуживанию аппаратной части, Страница: 37 / 57

Step 3. To reattach the bezel, align the plastic tabs on the bottom of the bezel with the corresponding holes
in the chassis, and then snap it into position.
Cleaning front dust screen
To replace the system fan:
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 computer cover. Refer to “Removing computer cover”.
Step 6. Remove the front bezel. Refer to “Removing the front bezel”.
Step 7. Pull the out the front dust screen as shown.
Step 8. Cleaning tips:
a. Us a brush gently brush through the dust screen to remove the dust.
b. If cleaning the dust screen with clean water, make sure you dry the dust screen completely
before put it back.
Step 9. To install the front dust screen:
a. Line up the new dust screen with the chassis and push the screen into position.
Replacing a memory module
Note: For this procedure, it helps to lay the computer flat.
To replace a memory module:
Chapter 8
.
Replacing hardware
31