Friday, March 04, 2016

HP Chromebook - Disassembling – Step by step disassembling procedure – Key board removal - battery removal – Mother board removal – Laptop repair and service

Category: Laptop Repair and Service 

Contents of this article 

  • How to remove the mother board
  • How to remove KEY BOARD
  • How to remove Touch pad  
  • How to remove the built in battery 


HP Chromebook 

DISASSEMBLING PROCEDURE 
Before removing the disassembling the computer, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
How Remove the keyboard/top cover:
1. Close the computer.
2. Turn the computer upside down with the front toward you.
3. Remove the two rubber screw covers (1).
4. Remove the two rear rubber feet (2).
5. Remove the middle rubber screw cover (3)
6. Remove the thirteen Phillips PM1.9×5.7 screws that secure the keyboard/top cover to the base enclosure.
7. Turn the computer right side up with the front toward you.
8. Open the computer as far as it will open.
9. Lift the front edge (1) of the keyboard/top cover until it separates from the front edge of the base enclosure.
10. Lift the left (2) and right sides of the keyboard/top cover until they separate from the left and right sides of the base enclosure.
11. Disconnect the battery cable (3) from the system board.
12. Release the zero insertion force (ZIF) connector (4) to which the keyboard cable is attached, and then disconnect the keyboard cable from the system board.
13. Release the ZIF connector (5) to which the TouchPad cable is attached, and then disconnect the TouchPadd cable from the system board.
14. Remove keyboard/top cover (6) by sliding it forward.
Reverse this procedure to install the keyboard/top cover.
How to remover TouchPad
Before removing the TouchPad, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover.
Remove the TouchPad button board:
1. Turn the keyboard/top cover upside down with the front toward you.
2. Detach the TouchPad cable (1) from the keyboard/top cover. (The TouchPad cable is attached to the keyboard/top cover with double-sided adhesive.)
3. Remove the two Phillips PM1.9×2.4 broad head screws (2) that secure the TouchPad to the keyboard/top cover.
4. Detach the two pieces of grounding tape (3) that secure the TouchPad to the keyboard/top cover.
5. Release the TouchPad (4) by pressing it through the opening in the keyboard/top cover..
6. Remove the TouchPad (5) and cable.
Reverse this procedure to install the TouchPad.
How to Remove WWAN module
Before removing the WWAN module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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 first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover .
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
2. Remove the Phillips PM1.9×4.2 screw (2) that secures the WWAN module to the base enclosure. (The WWAN module tilts up.)
3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
How to remove Battery
Before removing the battery, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover.
Remove the battery:
1. Remove the eight Phillips PM1.9×2.8 screws (1) that secure the battery to the base enclosure.
2. Detach the connector board cable (2) from the battery. (The connector board cable is attached to the battery with double-sided adhesive.)
3. Lift the front edge of the battery (3) until it rests at an angle.
4. Remove the battery (4) by sliding it up and forward at an angle.
How to remove Connector board
Before removing the connector board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover.
Remove the connector board:
1. Release the ZIF connector (1) to which the connector board ribbon cable is attached, and then disconnect the connector board ribbon cable from the system board.
2. Detach the connector board cable (2) from the battery. (The connector board cable is attached to the battery with double-sided adhesive.)
3. Remove the two Philllips PM1.9×2.4 broad head screws (3) that secure the connector board to the base enclosure.
4. Remove the connector board (4) and cable.
How to remove System board
Before removing the system board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover,
Remove the system board:
1. Disconnect the speaker cable (1) from the system board.
2. Release the ZIF connector (2) to which the display panel cable is attached, and then disconnect the display panel cable from the system board.
3. Disconnect the WLAN antenna cables (3) from the WLAN terminals on the system board
4. Disconnect the power connector cable (4) from the system board.
5. Release the ZIF connector (5) to which the connector board cable is attached, and then disconnect the connector board cable from the system board.
6. Remove the four Philllips PM1.9×2.4 broad head screws (1) that secure the system board to the base enclosure.
7. Lift the right side of the system board (2) until it rests at an angle.
8. Remove the system board (3) by sliding it up and to the right at an angle.