HP EliteBook 840 G9 Thermal Paste Replacement
Introduction
Go to step 1Hello everyone, in this guide Ill be showing you how to open the laptop in order to change the thermal paste, as well as to possibly upgrade the RAM or the SSD inside.
What you need
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Remove the 5 screws holding the back panel.
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Use a prying tool to carefully release all the clips holding the panel in place.
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Unscrew the 4 screws holding the CPU heatsink and lift it up, gently.
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Clean the old thermal paste both from the cooler and the CPU. It is best to use isopropyl alcohol and cotton swabs or paper towel, but be careful not to go too hard on the CPU.
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Don`t use too much thermal paste, just enough to cover some portion of the pad. If you have a spreader, use it. The thermal paste will apply evenly after you tighten the heatsink.
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Last, put the heatsink back carefully and tighten the screws in order 1 -> 4 to ensure even pressure.
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Once you opened the back cover, it is a good idea to upgrade the RAM or the SSD if you want. Just carefully lift up the metal shields and replace them.
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It is also recommended to use compressed air to remove any dust in the laptop and the fan.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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