Lenovo S40-40 Lenovo S40-40 Hardware Maintenance Manual - Page 41

Removingthehingefixingbracket

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Step 5. Disconnect the cable from the LCD switch board , and then remove the two screws that secure the LCD switch board to the chassis. Step 6. Lift up the touch control board to remove it. Step 7. To install the new touch control board: a. Line up the holes on the new touch control board with the mounting holes on the chassis and secure it with the two screws. b. Connect the cable to the new LCD switch board. Step 8. Reattach the back cover and stand base. Removing the hinge fixing bracket Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 hinge fixing bracket Step 1. Step 2. Step 3. Step 4. 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 stand and back cover. Refer to "Removing the stand and back cover". Chapter 8. Replacing hardware 35

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Step 5.
Disconnect the cable from the LCD switch board , and then remove the two screws that secure
the LCD switch board to the chassis.
Step 6.
Lift up the touch control board to remove it.
Step 7.
To install the new touch control board:
a.
Line up the holes on the new touch control board with the mounting holes on the chassis
and secure it with the two screws.
b.
Connect the cable to the new LCD switch board.
Step 8.
Reattach the back cover and stand base.
Removingthehingefixingbracket
Note:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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.
Toreplacethehingefixingbracket
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 stand and back cover. Refer to “Removing the stand and back cover”.
Chapter 8
.
Replacing hardware
35