In this guide, I’ll disassemble Lenovo ThinkPad X250, I will remove battery, RAM, SSD, wireless card, speaker, keyboard, palm rest and motherboard. Refer to this guide, you can upgrade and repair your ThinkPad X250.
Unlock and remove the battery.
Lenovo ThinkPad X250 come with a 6 cells battery, capacity is 48W, Lenovo part number: 45N1767.
Remove the SIM card tray.
Loosen eight screws securing the bottom case.
Release five snaps in the battery bay.
Pry up the bottom case from right LCD hinge.
Remove the bottom case.
Yellow: Speaker Green: NGFF port (supports SSD / WWAN) Orange: wireless card wireless card Blue: 2.5 SATA HDD Light Blue: Built-in 3-cell battery Red: Memory Purple: CPU fan
Disconnect the battery connector from the motherboard.
Remove three screws securing the battery.
The Lenovo ThinkPad X250 features a built-in 3-cell Li-ion battery, Lenovo FRU: 45N1773, capacity: 24W.
Remove the CMOS battery.
Lenovo ThinkPad X250 only has one RAM slot.
Samsung 4GB PC3L-12800S RAM.
Remove the 2.5″ hard drive.
Toshiba 7MM 7200RPM 500G hard disk, Lenovo FRU: 42T1385.
The hard drive bracket
Disconnect two antenna cables. Remove one screw securing the wireless card.
Intel Dual Band Wireless-AC 7265 wireless card. It is support 802.11ac, 2 x 2 Wi-Fi and Bluetooth 4.0.
Disconnect the cooling fan cable from the motherboard.
Lenovo ThinkPad X250 heat sink/cooling fan assembly