Lenovo S50-30 Lenovo S50-30 All-In-One PC Hardware Maintenance Manual - Page 43

Replacing the LCD switch board, Removing the hinge fixing bracket

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Step 4. Step 5. Step 6. Step 7. Remove the computer stand. Refer to "Removing the frame stand", "Removing the monitor stand", or "Removing the transformer stand". Remove the rear cover. Refer to "Removing the rear cover". Disconnect the power cable from the button board and remove the three screws that secure the button board to the front bezel. Remove the button board as shown. 1 2 3 Step 8. Slide out the button board. a. Line up the holes on the new button board with the three mounting holes on the front bezel, then place it into position. b. Connect the power cable to the new button board. Step 9. Reattach the rear cover and stand. Replacing the LCD switch board Notes: • Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. • 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. Replacing the LCD switch board Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. 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. Unplug all power cords from electrical outlets. 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. Remove the computer stand. Refer to "Removing the frame stand", "Removing the monitor stand", or "Removing the transformer stand". Remove the rear cover. Refer to "Removing the rear cover". Disconnect the cable from the LCD switch board , and then remove the two screws that secure the LCD switch board to the front bezel. 1 2 3 Slide out the LCD switch board to remove it. Step 7. To install the new LCD switch board: a. Line up the holes on the new LCD switch board with the mounting holes on the front bezel and secure the LCD switch board with the two screws. b. Connect the cable to the new LCD switch board. Step 8. Reattach the rear cover and computer stand. Removing the hinge fixing bracket Notes: Chapter 8. Replacing hardware 37

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Step 4.
Remove the computer stand. Refer to “Removing the frame stand”, “Removing the monitor stand”,
or “Removing the transformer stand”.
Step 5.
Remove the rear cover. Refer to “Removing the rear cover”.
Step 6.
Disconnect the power cable from the button board and remove the three screws that secure
the button board to the front bezel.
Step 7.
Remove the button board as shown.
1
2
3
Step 8.
Slide out the button board.
a.
Line up the holes on the new button board with the three mounting holes on the front bezel,
then place it into position.
b.
Connect the power cable to the new button board.
Step 9.
Reattach the rear cover and stand.
Replacing the LCD switch board
Notes:
•
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
•
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.
Replacing the LCD switch board
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 stand. Refer to “Removing the frame stand”, “Removing the monitor stand”,
or “Removing the transformer stand”.
Step 5.
Remove the rear cover. Refer to “Removing the rear cover”.
Step 6.
Disconnect the cable from the LCD switch board , and then remove the two screws that secure the
LCD switch board to the front bezel.
1
2
3
Slide out the LCD switch board to remove it.
Step 7.
To install the new LCD switch board:
a.
Line up the holes on the new LCD switch board with the mounting holes on the front bezel and
secure the LCD switch board with the two screws.
b.
Connect the cable to the new LCD switch board.
Step 8.
Reattach the rear cover and computer stand.
Removing the hinge fixing bracket
Notes:
Chapter 8
.
Replacing hardware
37