Lenovo ideapad 510S, Руководство по техническому обслуживанию аппаратной части

Страница: 49 / 69

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 replace the speaker system:
Step 1. Remove any media 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 Locating connectors,
controls and components to locate the various connectors.
Step 4. Remove the stand base. Refer to Removing the stand base.
Step 5. Remove the rear cover. Refer to Removing the rear cover.
Step 6. Remove the stand holder. Refer to Removing the stand holder.
Step 7. Remove the EMI cover. Refer to Removing the EMI cover.
Step 8. Remove the motherboard. Refer to Replacing the motherboard.
Step 9. Remove the four screws that secure the speaker system to the chassis. Then, lift up the speaker
system to remove it.
Step 10. To install the new speaker system:
a. Align the four screw holes in the new speaker system with the mounting holes in the chassis.
b. Secure the new speaker system to the chassis with four screws.
Step 11. Reattach the motherboard, EMI cover, stand holder, rear cover, and stand base.
Removing the pull down assembly
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Chapter 8
.
Replacing hardware
43