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Lenovo ThinkPad T420s Hard Disk Drive Replacement

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This guide will cover how to replace the hard disk drive (HDD) in a Lenovo ThinkPad T420s. This is NOT a guide for the Lenovo ThinkPad T420, that is a different model.

Back up the hard drive that you wish to replace if you wish to keep the data on it before attempting this replacement.

Unplug and power off your device before attempting this replacement. If the device is not powered off, it can result in damage to your laptop and hard drive.

You’ll need a small (Philips #0 recommended) screwdriver and a new hard drive or solid state drive to complete this replacement.

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  1. Lenovo ThinkPad T420s Hard Disk Drive Replacement, Hard Disk Drive: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo ThinkPad T420s Hard Disk Drive Replacement, Hard Disk Drive: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Turn the laptop upside down.

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    • Use a Phillips #0 screwdriver to unscrew and remove the screw on the hard drive compartment at the bottom right of the device.

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    • Pull the hard driver compartment cover up, then out by pulling on the edge near the screw hole.

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  5. Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Pull the hard drive out of the hard drive compartment.

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  6. Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad T420s Hard Disk Drive Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Pull the red rails off both sides of the hard drive.

    • The red rails will be put back on the new hard drive that you install.

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To reassemble your device, follow these instructions in reverse order.

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Parker Wiley

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UNT-SMITH-S22S1G2

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