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If you are looking to replace/upgrade the RAM on your device follow this guide for step by step instructions on how to do so.
What you need
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Turn off device before starting
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Slide lock button 1 to the unlock position and gently slide away from your body.
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Slide lock button 2 to the unlock position and continue gently sliding until the battery is removed.
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Flip the device over and lay it down with the underside facing upwards.
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Unscrew all 8 screws. While they should not come out completely, in some cases, the plastic retaining washers may come off of one or more of the screws, allowing them to come out completely. - should this happen, look for a loose, tiny black plastic washer once the case is open. It's possible, in some cases, to reattach the retaining washer.
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Pry the bottom from the computer until it pops out.
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In some cases, the vented side of the case may cling to the heat sink; appears to be adhesive. Take care when separating.
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Pull one side of the prong that is holding the RAM in place
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Pull the other side prong until the RAM pops up.
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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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Eastern Washington University, Team S2-G3, Munoz Winter 2019 crwdns2886886:0Eastern Washington University, Team S2-G3, Munoz Winter 2019crwdne2886886:0
EWU-MUNOZ-W19S2G3
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My t450s comes with an internal battery. The comment on this guide records the process for disabling the internal battery temporarily.
I also used this guide from Lenovo as I found removing the back plate rather difficult.
