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HP ProBook 640 G5 RAM Replacement

Introduction

Use this guide to replace faulty or damaged RAM in the HP ProBook 640 G5. If your laptop is not powering on, experiencing slow performance, system crashes, memory errors, or frequent blue screens, defective RAM may be the cause. This guide will show you how to safely remove the bottom cover, access the RAM slots, remove the faulty module (or replace/upgrade), and install a new one. Before starting, power off the laptop completely and disconnect all power sources.

What you need

  1. HP ProBook 640 G5 RAM Replacement, Back Cover: step 1, image 1 of 1

    • Always make sure the HP ProBook 640 G5 is completely powered off and unplugged before beginning this repair. Attempting to open the laptop while it has power may cause electrical damage or personal injury.

    • Shut down the HP ProBook 640 G5 completely.

    • Disconnect the power adapter and all connected peripherals.

    • Press and hold the power button for 5 seconds to discharge remaining electricity.

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  2. HP ProBook 640 G5 RAM Replacement: step 2, image 1 of 1

    • Flip the laptop over so the bottom is facing up.

    • Loosen eight silver 6mm screws using a Phillips #0 screwdriver.

    • These screws are captive, so they will loosen but remain attached to the cover.

    • Remove two black 6mm screws using a TR7 Torx screwdriver.

    • Insert a plastic opening tool into the seam and gently pry around the edges.

    • Lift the bottom cover away from the laptop.

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  4. HP ProBook 640 G5 RAM Replacement, RAM: step 3, image 1 of 1

    • When replacing RAM, avoid touching the gold contacts and black chips. Handle the stick only by its outer edges or plastic/metal shielding. Touching the chips or gold contacts can introduce static electricity or oil from your fingers, potentially causing damage or poor connectivity.

    • Locate the RAM you intend on replacing/upgrading.

    • Some laptops may come with two sticks of RAM; the one we are working on is equipped with only one.

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  5. HP ProBook 640 G5 RAM Replacement: step 4, image 1 of 1

    • Gently push outward on the two retaining clips on each side of the module.

    • The RAM stick will pop up at a 30-degree angle.

    • Hold the RAM module by the edges (avoid touching the gold contacts).

    • Slide it out of the slot at the same angle it popped up.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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