In this guide I will disassemble a Lenovo ThinkPad T480s laptop. I will remove the bottom case in order to upgrade the RAM and SSD for my T480s.
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The ThinkPad T480s has the same integrated back cover as ThinkPad T470s. To access memory and SSDs, we need to remove the back cover first.
First of all, loosen all the screws fixing the back cover. It is worth mentioning that its screws are fixed on the back cover and cannot be removed. This has the advantage of preventing the loss of screws.
Because there is no snap on the back cover, so the back cover can be easily removed.
There are many vent holes on the back cover, and the air outlet cover is covered with a dustproof net, which can prevent dust into the inside of the laptop.
With the back cover removed, we can get access the most of the internal components, including the battery, SSD, RAM, Wi-Fi card, speaker, heat sink, cooling fan and motherboard.
Its internal battery almost occupies half of the internal area, which is the common characteristic of most ultrabooks.
Its heat sink has two copper tubes and covers both the CPU and GPU chips. This notebook comes with an NVIDIA GeForce MX150 discrete graphics card.
The laptop come with a Lenovo M.2 SSD (PCIe 3.0×4) and supports the NVMe protocol. If you need to upgrade a larger capacity SSD, you only need to remove one screw to remove the SSD.
Lenovo P/N: SSS0L25089, FRU: 00UP470. This seems to be Lenovo’s customized SSD. On the internal picture of another T480s on the Internet, I saw an M.2 2280 PCIe SSD from Toshiba.