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This guide will walk you through the process of removing the midframe of your HP ProBook 640 G1 to access internal components such as the RAM, hard drive or SSD, CPU and other serviceable hardware.
Before you begin, make sure the laptop is fully powered off and not in sleep mode. Disconnect the charger and any external devices.
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Turn the laptop upside down to show the battery lock slider.
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Slide the battery slider all the way to the left, towards the battery symbol.
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You may also need to slide the other slider to the right of the battery slider, as shown in the picture.
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Remove the battery by sliding it away from the laptop while holding the battery locker.
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The battery should slide out with ease.
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Slide down and pull up on the cover to remove it.
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Remove the eight rubber screw plugs from the bottom and the two rubber screw plugs from the sides of the laptop using a paperclip.
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Remove the fourteen 6 mm screws from the bottom of the laptop and the two 6 mm screws from the sides using a T8 Torx screwdriver.
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Remove the six 4 mm screws that secure the midframe using a T8 Torx screwdriver.
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Remove the disk drive by gently pulling it out.
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Remove the two 3 mm screws using a Phillips #1 screwdriver.
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Gently pull up on the midframe, gripping it from the inside.
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To reassemble your device, follow these instructions in reverse order.
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