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

ReplacingtheLCDswitchboard

Get Lenovo S40-40 PDF manuals and user guides View all Lenovo S40-40 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 40 highlights

Step 5. Remove the three screws that secure the power switch board to the front bezel. Step 6. Disconnect the data cable from the power switch board, then lift up the power switch board. Step 7. To install the power switch 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. Secure the button board with the three screws. c. Connect the power cable to the new power switch board. Step 8. Reattach the back cover and stand. Replacing the LCD switch board 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 LCD switch board: Note: The following instructions are for C440 touch models only. 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 base and back cover. Refer to "Removing the stand base and back cover". 34 Lenovo S40-40Hardware Maintenance Manual

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
Step 5.
Remove the three screws that secure the power switch board to the front bezel.
Step 6.
Disconnect the data cable from the power switch board, then lift up the power switch board.
Step 7.
To install the power switch 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.
Secure the button board with the three screws.
c.
Connect the power cable to the new power switch board.
Step 8.
Reattach the back cover and stand.
ReplacingtheLCDswitchboard
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.
ToreplacetheLCDswitchboard:
Note:
The following instructions are for C440 touch models only.
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 base and back cover. Refer to “Removing the stand base and back cover”.
34
Lenovo S40–40Hardware Maintenance Manual