Lenovo Horizon 27 Table PC IdeaCentre Horizon 27 All-In-One PC Hardware Mainte - Page 52

Replacing the LED panel, Attach the speaker system to the motherboard.

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Step 13. Remove all the cables connected to the motherboard. Step 14. Remove the nine screws that secure the motherboard to the chassis and lift up the motherboard to remove it. Step 15. To install the new motherboard: a. Insert the battery (CR2032) into the socket with the side labeled "+" facing up, and press the battery into place. b. Insert the notched end of the TV-Tuner card into the card port on the new motherboard and secure it with the two screws. c. Connect the antenna cable(s) to the Wi-Fi card. d. Insert the notched end of the Wi-Fi card into the card port on the new motherboard and secure it with the screw. e. Connect the antenna cable(s) to the TV-Tuner card. f. Insert the notched end of the solid state drive into the card port on the new motherboard and secure it with the two screws. g. Attach the heat-sink modules, system fans and memory modules to the motherboard. h. Align the holes on the new motherboard with the mounting holes on the chassis and secure it to the chassis with the screws. i. Attach the speaker system to the motherboard. j. Connect all the cables to the new motherboard. Step 16. Reattach the EMI cover and rear cover. Replacing the LED panel Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. 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 LED panel: 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. 46 IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual

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Step 13. Remove all the cables connected to the motherboard.
Step 14. Remove the nine screws that secure the motherboard to the chassis and lift up the motherboard to
remove it.
Step 15. To install the new motherboard:
a.
Insert the battery (CR2032) into the socket with the side labeled “+” facing up, and press
the battery into place.
b.
Insert the notched end of the TV-Tuner card into the card port on the new motherboard and
secure it with the two screws.
c.
Connect the antenna cable(s) to the Wi-Fi card.
d.
Insert the notched end of the Wi-Fi card into the card port on the new motherboard and
secure it with the screw.
e.
Connect the antenna cable(s) to the TV-Tuner card.
f.
Insert the notched end of the solid state drive into the card port on the new motherboard
and secure it with the two screws.
g.
Attach the heat-sink modules, system fans and memory modules to the motherboard.
h.
Align the holes on the new motherboard with the mounting holes on the chassis and secure
it to the chassis with the screws.
i.
Attach the speaker system to the motherboard.
j.
Connect all the cables to the new motherboard.
Step 16. Reattach the EMI cover and rear cover.
Replacing the LED panel
Note:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
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 LED panel:
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.
46
IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual