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はじめに

If your HP ProBook 450 G4 laptop’s battery dies quickly between each charge, this could indicate that your battery is getting old and dying. All laptops have a certain life span and after owning one for a long time, the battery gets worn out. The best way to resolve this issue is to replace the battery with a new one. Before using this guide, check to make sure your charging cable is working properly and is not faulty. In some rare cases, all you need to do is replace the charging cable and not the battery. This guide is designed to help you safely and properly remove your laptop’s battery in an easy to follow way. Before beginning, make sure to power off your laptop and disconnect it from all power sources.

必要な工具と部品

手順1 Hard Drive

HP ProBook 450 G4 Battery Replacement, Hard Drive: 手順 1、 2の画像 1

HP ProBook 450 G4 Battery Replacement, Hard Drive: 手順 1、 2の画像 2

Power your laptop off.
Flip the laptop over.
Orient the laptop so the two vents on the bottom face upward and are further away from you.

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手順2

HP ProBook 450 G4 Battery Replacement: 手順 2、 3の画像 3

Use the Phillips #0 screwdriver to remove the 6.8 mm screw that secures the vent panel to the laptop.
Use the spudger to separate the vent panel from the laptop.
Slide the vent panel off the backside of the laptop.

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手順3

Use the Phillips #0 screwdriver to remove the black 3.2mm screw that secures the hard drive to the left side of the laptop.

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手順4

Use the spudger to lift the left side of the hard drive up.
Pull the hard drive diagonally to the left to release the hard drive from the laptop.

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手順5 Keyboard

HP ProBook 450 G4 Battery Replacement, Keyboard: 手順 5、 3の画像 1

HP ProBook 450 G4 Battery Replacement, Keyboard: 手順 5、 3の画像 2

HP ProBook 450 G4 Battery Replacement, Keyboard: 手順 5、 3の画像 3

Remove the 6.6mm T8 Torx screw located below where the hard drive used to be.
Remove the 6.6mm T8 Torx screw located below and to the left of the circular, silver and black fan.

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手順6

HP ProBook 450 G4 Battery Replacement: 手順 6、 3の画像 3

Use the spudger to press down on the two black tabs that are underneath where the hard drive used to be.
Apply pressure to the black tabs until they release and pop out.

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手順7

HP ProBook 450 G4 Battery Replacement: 手順 7、 3の画像 3

Orient the laptop so the keyboard is facing upwards and towards you.
Insert the spudger in between the edge of the keyboard and the computer frame.
Slide the spudger around the edge of the keyboard until the keyboard is loose.
Gently pull the keyboard away from the body of the laptop.
Do not pull the keyboard all the way off because there is still a connector cable underneath that needs to be disconnected.

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手順8

Use a spudger to gently lift up the black locking bar on the keyboard connector.
Slide the keyboard ribbon out of the connector.
Remove the keyboard.
To re-attach the keyboard ribbon, slide it into the connector and swing the locking bar down.

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手順9 Battery

HP ProBook 450 G4 Battery Replacement, Battery: 手順 9、 2の画像 1

HP ProBook 450 G4 Battery Replacement, Battery: 手順 9、 2の画像 2

Flip the laptop back over.
Remove the eight 6.8mm T8 Torx screws on the backside of the laptop.

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手順10

Use a Phillips #0 screwdriver to remove the three 6.6mm screws from the upper left corner of the laptop.

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手順11

Use the spudger to slide the disk drive out of the laptop.
Use the Phillips #0 screwdriver to remove the two 3.2mm screws that are underneath where the disk drive previously was.

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手順12

HP ProBook 450 G4 Battery Replacement: 手順 12、 3の画像 3

Use a Phillips #0 screwdriver to remove the two 6.6mm screws.

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手順13

Flip the laptop back over so it is facing upwards.
Remove the six 6.6mm T8 Torx screws underneath where the keyboard used to be.

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手順14

HP ProBook 450 G4 Battery Replacement: 手順 14、 3の画像 3

Use the spudger to disconnect the nine cable connectors that secure the top case of the laptop to the body of the laptop.
Be extra careful while disconnecting the cable connectors because they can tear easily.

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