Friday, 15 March 2019

HP EliteBook 820 G3 Notebook – Disassembling procedure – How to remove the battery – How to remove the – Bottom case – How to remove the HDD


HP EliteBook 820 G3 Notebook disassembling procedure 
How to remove Bottom cover
Before removing the bottom cover, 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.
Remove the bottom cover:
1. Turn the computer upside down on a flat surface.
2. Remove the 11 rubber plugs (1) and the 11 Phillips PM2.5x5.0 screws beneath them (2) from the bottom cover.
Be sure to remove the screws in the following order.
3. Remove the SD card blank and the 1 PM2.0×7.0 screw beneath it (3) that secures the bottom cover to the computer.
4. Pry up on the top (near the display hinge) of the bottom cover to disengage it from the computer (4).
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 bottom cover
To remove the battery:
Loosen the captive screw (1) and lift the tab to remove the battery from the computer (2).
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 bottom cover
5. Remove the battery
To remove a hard drive:
1. Loosen the 4 captive screws (1) that secure the hard drive to the chassis.
2. Slide the hard drive (2) away from the center of the computer to disengage it from the connector.
3. Lift to remove the hard drive from the bay (3).
How to remove SSD
Before removing the SSD, follow these steps:
1. Turn oƫ 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover
5. Disconnect the battery
Remove the SSD:
1. Remove the Phillips PM2.0×3.0 screw (1) that secures the drive to the system board.
2. Remove the drive (2) by pulling it away from the connector.
How to remove the 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 bottom cover
5. Remove the battery
Remove the keyboard:
1. Remove the 2 Phillips PM2.5×3.0 screws that secure the keyboard to the computer (1).
2. Position the computer upright with the front toward you.
3. Open the computer as far as possible.
4. Insert a screwdriver or similar thin tool into the hole beside the heat sink/fan assembly, and then press on the back of the keyboard until it disengages from the computer (2). Rotate the top of the keyboard upward, and then lift the keyboard up at an angle to disengage the tabs at the bottom of the keyboard.
5. Slide the keyboard slightly downward toward the palm rest to disengage the top of the keyboard from the top cover (1). Remove the pointing stick cable (2), the keyboard backlight cable (3), and the keyboard cable (4).
6. Remove the keyboard (5).

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