Reverse this procedure to install the touchpad and cable.
System board
Table 5-6 System board description and spare part number information
Description Spare part number
Equipped with an Intel Pentium N5000 1.1-GHz (turbo up to 2.7-GHz) processor (2400 MHz FSB, 4-MB L2
cache, quad core, 6 W), a graphics subsystem with UMA memory, 8-GB of system memory, 64-GB of eMMC
storage, and a non-Windows 10 operating system
L70811-001
Equipped with an Intel Pentium N5000 1.1-GHz (turbo up to 2.7-GHz) processor (2400 MHz FSB, 4-MB L2
cache, quad core, 6 W), a graphics subsystem with UMA memory, 4-GB of system memory, 64-GB of eMMC
storage, and a non-Windows 10 operating system
L70810-001
Equipped with an Intel Celeron N4000 1.1-GHz (turbo up to 2.6-GHz) processor (2400 MHz FSB, 4-MB L2
cache, dual core, 6 W), a graphics subsystem with UMA memory, 4-GB of system memory, 64-GB of eMMC
storage, and a non-Windows 10 operating system
L70809-001
Equipped with an Intel Pentium N5000 1.1-GHz (turbo up to 2.7-GHz) processor (2400 MHz FSB, 4-MB L2
cache, quad core, 6 W), a graphics subsystem with UMA memory, 4-GB of system memory, 32-GB of eMMC
storage, and a non-Windows 10 operating system
L70808-001
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 22).
5. Remove the battery (see Battery on page 24).
6. Remove the WLAN module (see WLAN module on page 25).
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Webcam/microphone module cable
(2) Speaker cable
(3) Display panel cable
(4) Keyboard ZIF connector cable
(5) USB/audio board low-power ZIF connector cable
(6) USB/audio board high-power ZIF connector cable
(7) Touchpad ZIF connector cable
40 Chapter 5 Removal and replacement procedures
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