Lenovo Thinkpad T420 Laptop Upgrade - RAM, SSD, and Dual Hardrives | How to Upgrade RAM & SSD Lenovo

2024 UPDATE: Recommended 2.5" SATA III SSD:


Here are the upgrades I made to my Lenovo Thinkpad T420. I'm sure this voids the warranty so check with Lenovo if you are concerned about that.

This is part of a larger

Please check the link for specific hardware used

I installed a clean version of Windows 7 / 10 and the OEM serial number still worked.

Restart time went from 67 to 27 seconds and cold startup is now 18 seconds to ready!

The following article does a great job of explaining the hardware drivers included on your laptop if you want to pick and choose what to re-install after a clean windows 10/7 installation:


Hi friendS!

#upgrade #disassembly

#replace

Tools:

25 in 1 Screwdrivers


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