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In this guide, I’ll explain how to Lenovo ThinkPad T440 to remove and replace the battery, RAM, hard drive, SSD, RAM, wireless card, heat sink, cooling fan and motherboard. Refer to this guide, you can repair, upgrade, clean the cooling fan for your ThinkPad T440.

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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 release all the snaps.

Lenovo ThinkPad T440 bottom case, the case made of glass fiber (PA-GF50FR).

Under the bottom case, you can access the battery, RAM, SSD, wireless card, speaker, heat sink and cooling fan.
Remove three securing the battery and disconnect the power cable from the motherboard.

Lenovo ThinkPad T440 installed an 11.1v, 24wh Li-ion battery.

T440 Roll Cage

T440 LCD hinge

The laptop only has one memory slot. It supports up to 8GB DDR3-1600MHz RAM.

2.5″ 1TB hard drive

SanDisk 16GB SSD and wireless card

SanDisk 16GB SSD and wireless card

mSATA slot and a PCI-E slot

Trunking

Metal protective plate on the internal interface

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

The heat sink and cooling fan

ThinkPad T440’s NVIDIA GeForce GT 720M graphics card

The Intel i7-4500U Core processor integrated an HD4400 graphics card.

Motherboard

For more guides, check out the Lenovo ThinkPad T440 device page.

Lenovo Thinkpad T440 Ram Upgrade

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Comparison Criteria Summary multimedia performance memory display details peripherals general information networking storage battery ports others	X Lenovo Thinkpad T440 (20B7004PUS) Ultrabook (Core i5 4th Gen/4 GB/500 GB/Windows 8)	X Lenovo Thinkpad T460	X
Summary
storage 500 GB HDD 500 GB HDD processor Intel Core i5 (4th Gen) Processor Intel Core i5 (6th Gen) Processor display 14' (35.56 cm) display, 1366 x 768 px 14.0' (35.56 cm) display, 1366 x 768 px ram 4 GB DDR3 RAM 4 GB DDR3 RAM
secondary camrearfacing microphone type Monaural Microphone Dual array microphone inbuilt microphone webcam speakers Stereo Speakers 2W x 2 Speakers video recording HD 720p 720p HD
performance
clockspeed 1.9 Ghz 2.3 Ghz processor Core i5 i5-4300U (4th Gen) Intel Core i5-6200U (6th Gen) graphic processor Intel HD Graphics 4400 Intel HD
ram type DDR3 DDR3 memory layout 1 x 4 Gigabyte 1 x 4 Gigabyte memory slots 1 2 SO-DIMM ram speed 1600 Mhz 1600 Mhz expandable memory 8 GB 16 GB capacity 4 GB 4 GB
display details
display type LED LED display size 14 Inches (35.56 cm) 14.0 Inches (35.56 cm) display resolution 1366 x 768 Pixels 1366 x 768 Pixels display touchscreen display features HD LED Backlit Display HD Anti-glare 200 nits Display
keyboard Standard Notebook Keyboard 6-row, spill-resistant, multimedia Fn keys pointing device Touchpad TrackPoint with multi-touch 3 buttons click pad fingerprint scanner optical drive -
general information
dimensionswxhxd 335.28 x 228.6 x 30.4 mm 339 x 232 x 21.0 mm operating system type 64-bit -bit weight 2.3 Kg 1.7 Kg operating system Windows 8 Professional DOS model T440 (20B7004PUS) T460 (20FMA07800) brand Lenovo Lenovo colors Black Black
wireless lan 802.11 a/b/g/n/ac 802.11 b/g/n bluetooth bluetooth version 4.0 4.0
storage
hdd speedrpm 7200 RPM 7200 RPM hdd capacity 500 GB 500 GB hdd type SATA SATA
power supply 45 W AC Adapter W - battery cell 6 Cell 6 Cell battery type Li-Ion Li-Ion
ports
sd card reader vga port - usb 30 slots 2 3 microphone jack headphone jack usb 20 slots 1 -
sales package Laptop, Battery, AC Adapter, User Guide Ultrabook, Battery, AC Adapter, User Guide warranty 1 Year 3 Years lockport -
More Details
Price ₹ 107,058 ₹ 67,410 Details Full Details » Full Details »