Lenovo LaptopLenovo Thinkpad T440s

Lenovo Thinkpad T440s Disassembly

In this guide, I’ll explain how to Lenovo ThinkPad T440s to remove and replace the battery, RAM, wireless card, hard drive, speaker, heat sink and cooling fan. Refer to this guide, you can repair, upgrade and clean your ThinkPad T440s.

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Unlock and remove the battery.
Remove eight screws securing the bottom case.

Pry up the bottom case with a pry bar. There are some snaps fixed the bottom case, and you need to unlock all the snaps.

Pry up the bottom case.

When the bottom case removed, you can access the battery, hard drive, wireless card, speaker, heat sink and cooling fan.

Lenovo Thinkpad T440s have a spare slot. You can upgrade ram simply.

Insert the new RAM.

Remove six screws securing the heat sink. Disconnect the cooling fan cable. You can remove the heat sink and cooling fan.

Thinkpad T440s CMOS battery and LCD cable

LCD hinge


Thinkpad T440s hard drive, remove one screw. You can remove the hard drive.

Remove three securing the battery and disconnect the battery power cable. You can remove the battery.

Left speaker

T440S speaker, SD card slot, wireless card, 3G WWAN slot and hard drive

Speaker cable

Wireless card and 3G WWAN slot

The cooling fan

For more guides, check out the Lenovo ThinkPad T440s device page.

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  1. On my T440s, is there room for more Ram?? Also, my battery power will only go up to 65%, after I changed out my external battery. So do
    I need to change out the internal battery now, for it to power up to 100%. my laptop is about 7 years old

  2. I use my T440s Lenovo for business, sometimes it want come on up and open up. I hope it was the batteries.

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