Tuesday, March 22, 2016

Compaq 14 TouchSmart Notebook PC - HP 240 G2 Notebook PC - HP 245 G2 Notebook PC – Disassembling procedure – How to remove the display – How to remove the key board – Laptop repair and service

Category: Laptop repair and service 

Contents of this article 

  • How to remove the battery 
  • How to remove and replace the Keyboard
  • How to Remove the optical driver 

Compaq 14 TouchSmart Notebook PC - HP 240 G2 Notebook PC - HP 245 G2 Notebook PC

DISASSEMBLING PROCEDURE 
How remove Battery
Before disassembling the computer, 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.
To remove the battery:
1. Turn the computer upside down on a flat surface.
2. Slide the battery lock latch (1), and then slide the battery release latch (2) to release the battery.
3. Remove the battery from the computer (3).
How remove Display subcomponents (bezel, webcam, panel)
This section describes removing display subcomponents that do not require that you remove the entire display assembly from the computer. You can remove the display bezel, webcam/microphone module, and display panel while the display assembly is still attached to the computer. To remove the remaining display subcomponents, you must remove the entire display assembly from the computer.
Before removing display subcomponents while the display assembly is still attached to the computer, 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 battery
To remove the display bezel, webcam/microphone module, and raw display panel:
1. Position the computer upright with the front toward you, and then open it.
2. Remove the two Mylar screw covers (1) and the two Phillips PM2.5×4.5 screws (2) that secure the display bezel to the display assembly.
3. Flex the inside of the top edge (1), the left and right sides (2), and the bottom edge (3) of the display bezel until the bezel disengages from the display enclosure.
4. Remove the display bezel (4).
5. To remove the webcam/microphone module:
a. Position the display assembly with the top edge toward you.
b. Disconnect the cable (1) from the module.
c. Lift to disengage the adhesive that secures the webcam/microphone module to the display, and then remove the module (2).
6. To remove the display panel:
a. Remove the six Phillips PM2.5×4.0 screws (1) that secure the display panel to the enclosure, and then rotate the display panel and hinges forward to gain access to the hinge screws (2).
b. Remove the four Phillips PM2.0×3.0 screws (1) that secure the display panel to the hinges, and then rotate the display panel onto the keyboard (2).
c. On the back of the display panel, release the adhesive strip (1) that secures the display panel cable to the display panel, and then disconnect (2) and remove (3) the cable.
How remove Service door
Before removing the service door, 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 battery
To remove the service door:
1. Remove the service door screw (1).
2. Slide the service door toward the front of the computer (2), and then lift up and remove the service door (3).
How remove Optical drive
Before removing the optical drive, 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 battery
5. Remove the service door
To remove the optical drive:
1. Remove the Phillips PM2.5×6.5 screw (1) that secures the optical drive to the computer.
2. Insert a screwdriver or similar small tool into the hole at the rear of the optical drive bay, and then push the optical drive (2) to release it from the bay.
3. Remove the optical drive (3) by sliding it out of the optical drive bay.
How remove Top cover/keyboard
Before removing the top cover/keyboard, 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 battery
5. Remove the service door
To remove the top cover/keyboard:
1. Close the computer, and then position the computer upside down with the front toward you.
2. Disconnect the following cables:
(1): Power button board cable
(2): Keyboard cable
(3): Touchpad cable
3. Remove the 14 Phillips PM2.5×6.0 screws that secure the top cover to the computer.
4. Position the computer upright with the front toward you, and then open the computer.
5. Lift the rear edge of the top cover (1) until the left and right sides disengage from the base enclosure.
6. Remove the top cover (2).