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Use this guide to replace the RAM in your Lenovo ThinkPad T480s.
RAM (short for “random access memory”) provides temporary storage for a computer. RAM enables a computer to run with optimal speed and performance. Some signs of faulty RAM include the blue screen of death, sluggish performance, or random crashes and reboots.
This laptop is equipped for a maximum memory module capacity of 24 GB. You can add one 16 GB 2400MHz DDR4 SO-DIMM. You can run a RAM diagnostic tool to see if replacement is needed.
Before beginning this guide, make sure to disable the internal battery, power down your device, and disconnect from any external power sources.
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Loosen the six captive screws with a Phillips #1 screwdriver.
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Remove the bottom cover with an opening tool.
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Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.
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Pull the plastic film back.
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Push the clips outward to release the RAM stick.
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The RAM stick will pop out at an angle. Pull the RAM stick out at the same angle.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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My only comment is that the photos don't show that the battery being removed. For the relatively simple task of replacing RAM on the T480s (compared to the other repairs listed here on iFixit), you are probably fine leaving the internal battery plugged in if you already turned it off via the UFEI/BIOS settings before starting this. However, I still do like to unplug the internal battery to be extra cautious.
Somehow I find the screws for the T480s bottom cover to be slightly more prone to stripping, compared to the ThinkPad T480 and X1 Carbon Gen 6. However, the #1 Phillips screws on the T480s have drives that are cut in a way that also let you use a #3 flathead.
Tai Lam - crwdns2934203:0crwdne2934203:0