Sunday, March 13, 2016

HP ProBook 450 G3 Notebook – Disassembling procedure – How to remoave the key board – How to remove the top cover – How to remove WWAN module – How to remove HDD - Laptop Repair and service

Category: Laptop Repair and Service 

Contents of this article 

  • How to remove the key board 
  • How to remove the WIFI module
  • How to remove the Solid state memory 



HP ProBook 450 G3 Notebook

DISASSEMBLING PROCEDURE 
How to remove Battery
Before removing the battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
To remove the battery:
1. Position the computer upside down on a flat surface.
2. Slide the battery lock latch (1) to unlock the battery, and then slide the battery release latch (2) to release the battery.
3. Pivot the battery (3) upward, and then remove the battery (4) from the computer.
How to remove Service doors
There is a small service door and a large service door on the bottom of the computer. The large service door provides access to the hard drive, memory modules, and optical drive. The small service door provides access to the WLAN module, M.2 SSD drive, and keyboard release access hole.
Before removing the service doors, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst 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 doors:
1. To remove the large service door:
a. Loosen the large service door screw (1).
b. Slide the service door oƫ the computer (2).
2. To remove the small service door:
a. Remove the small service door screw (3)
b. Lift the small service door of the computer (4)
How to remove Optical drive
Before removing the hard drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the large service door
To remove a optical drive:
1. Remove the Phillips PM2.5×7.0 screw (1) that secures the optical drive to the computer.
2. Insert a tool into the slot near the memory modules and push the optical drive to disengage it (2).
3. Remove the optical drive from the computer (3).
How to remove Hard drive
Before removing the hard drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the large service door
To remove a hard drive:
1. Remove the 4 Phillips PM2.5×5.0 screws (1) that secure the hard drive to the chassis.
2. Pull the plastic tab to slide the hard drive (2) away from the center of the computer to disengage it from the connector.
3. Remove the hard drive from the bay (3).
How to remove Memory modules
To update BIOS:
1. Navigate to hp web
2. Click Support & Drivers > click Drivers & Software.
3. In the Enter a product name/number box, type the computer model information, and then click Search.
4. Click the link for the computer model.
5. Select the operating system, and then click Next.
6. Under Step 2: Select a Download, click the BIOS link.
7. Click the link for the most recent BIOS.
8. Click the Download button, and then follow the on-screen instructions.
Before removing the memory module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the large service door
Remove the memory module:
1. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. (The edge of the module opposite the slot rises away from the computer.)
2. Remove the memory module (2) by pulling the module away from the slot at an angle
How to remove WLAN/Bluetooth combo card
Before removing the WLAN module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the small service door
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
2. Remove the Phillips PM2.0×4.0 screw (2) that secures the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.)
3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
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 oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the small service door
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
2. Remove the Phillips PM2.0×4.0 screw (2) that secures the WWAN module to the computer. (The edge of the module opposite the slot rises away from the computer.)
3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
How to remove M.2 solid-state drive
Before removing the solid-state drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the small service door
Remove the solid-state drive:
1. Remove the Phillips PM2.0×4.0 screw (1) that secures the solid-state drive to the computer. (The edge of the module opposite the slot rises away from the computer.)
2. Remove the solid-state drive (2) by pulling the module away from the slot at an angle.
How to remove Keyboard
Before removing the keyboard, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the battery
5. Remove the small service door
Remove the keyboard:
1. Remove the 3 Phillips PM2.5×5.0 screws that secure the keyboard to the computer
2. Open the computer and position it on its side with the bottom toward you.
3. Insert a tool into the access hole in the bottom of the computer and push to disengage the keyboard from the top cover.
4. Lift the top of the keyboard upward (1), and then lift the keyboard up at an angle (2) to disengage the tabs at the bottom of the keyboard.
5. Rotate the keyboard until it rests on the palm rest (1).
6. Disconnect the keyboard cable by lifting the connector latch (2), and then disconnect the keyboard cable
from the system board (3).
7. If applicable, disconnect the backlight cable by lifting the connector latch (4), and then disconnect the cable from the system board (5).
8. Remove the keyboard.
How to remove Top cover
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is oƫ 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 ƭrst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer.
4. Remove the following components:
a. Battery
b. Service doors
c. Optical drive
d. Hard drive
e. Keyboard
1. Position the computer upside-down with the front toward you.
2. Remove the 2 rubber screw covers on each side of the battery (1) and the 3 rubber screw covers along the bottom of the computer (2).
3. Remove the 7 Phillips PM2.0×3.0 screws that secure the top cover to the computer.
4. Remove the 11 Torx T8M2.5×6.0 screws that secure the top cover to the computer.
5. Position the computer upright and open it as far as possible.
6. Disconnect the following cables from the system board:
(1): Power button board cable
(2): Card reader board cable
(3): Fingerprint reader cable
(4): Function board cable
7. Remove the 8 Torx T8M2.5×6.0 screws from the top cover
8. Pry the top cover oƫ the computer starting at the top (1), and then working around the right (2), bottom (3), and left (4) sides.