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Install and run ThinkVantage System Update to search for the latest Lenovo drivers and utilities.

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If upgrading from Windows 7 or 8, uninstall any Lenovo drivers and software (preferably before upgrading) to avoid numerous incompatibility issues.

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A clean installation of Windows 10 rather than an upgrade from Windows 7 or 8 is recommended.

Windows 10 runs well on the ThinkPad X220.

Additional information about the security issues this update addresses is available here.

The firmware update can be downloaded from Lenovo here.

On May 24, 2017, Lenovo released a firmware update for the X220 to address an escalation of privilege vulnerability in Intel Active Management Technology (AMT), Intel Standard Manageability (ISM), and Intel Small Business Technology.

Please noteВ the warning on the Advanced menu in the BIOS: Setting items on this screen to incorrect values may cause the system to malfunction!В The default values willВ work fine butВ the wrong settings can prevent your X220 from booting.

A video demonstrating the installation of the modified BIOS is here.

A discussion thread related to this modified version of BIOS 1.46 is here.

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It is not uncommon for the flash verification process to fail and the process to restart вЂ“ just let it run until the reflashing process is complete.

If you are not using Windows, or if you encounter a blue screen error when running the installer, you can install this modified BIOS from a bootable USB drive by following the instructions here.

A modified version of BIOS 1.46 created by ValdikSS at that unlocks these faster RAM speeds, removes the whitelist check and provides the ability to adjust numerous other advanced settings is available for downloadВ here.

BIOS versions up to 1.28 allowed RAM speeds up to 1866MHz (PC3 14900) providing marginal improvements in performance.

BIOS versions 1.29 and above limit RAM speed to 1333MHz.

If you encounter trouble installing the official BIOS through Windows, a method to install this from a bootable USB is explained here.

Note that updatingВ the BIOS beyond version 1.40 will preventВ rolling back to an earlierВ version when using anВ official Lenovo installer.

The latestВ official BIOS (version 1.46) as well as previous versions can be downloaded from Lenovo here.

Recommended RAM: Crucial DDR3 1866MHz PC3-14900 вЂ“ available in 8GB and 16GB kits.

See discussion below regarding different BIOS versions and RAM speed.

Install two modules of any capacity to enable Dual Channel memory support.

The ThinkPad X220 supports up to 16GB of 204-pin DDR3 1866MHz PC3-14900В non-ECC RAM.

Many merchants will advertise a particular part number but send a вЂњcompatible partвЂќ instead.ДЄ method to repair a common malfunction with IPS panels is described here.ДЇHD (1920 x 1080) panel installation kit is available here RAM SUPPORT Note: When purchasing a LCD panel we recommend contacting the seller first to verify the part number of the unit they will be sending.

LP125WH2(SL)(T2) вЂ“ the T2 IPS panels doВ not have mounting railsВ that alignВ properly with the X220.

The process to remove the panel from the screen assembly is explained here. Note: LP125WH2(SL)(T1) panels can be found in the screen assemblies of the ThinkPad Twist S230u.

LP125WH2(SL)(T1) вЂ“ the T1 IPS panels were not originally installed in the ThinkPad X220В butВ are completely compatible and include the necessaryВ side mounting rails.

LP125WH2(SL)(B3) вЂ“ theВ B3В IPS panels are less likely to have issues with ghosting or backlight bleedingВ andВ include the necessaryВ side mounting railsВ for installation in the X220.

LP125WH2(SL)(B2) вЂ“ the B2В IPS panels are less likely to have issues with ghosting or backlight bleeding however they do not have the mounting railsВ on the sides neededВ to install properly in an X220.

Some users have also reported a backlight bleeding issue with these panels.

LP125WH2(SL)(B1) вЂ“ theВ B1В IPS panels sometimesВ have issues with image retention or вЂњghostingвЂќ after a static imageВ has been on the display.

Video demonstrationДЇiveВ versions of the 1366 x 768 IPS display panel are available: The IPS display is generally considered theВ far superior option providing a brighter image, higherВ contrast and much better viewing angles than the TN display. Both varieties have a native resolution of 1366 x 768.

Non-tablet models of the X220 and X230 shipped with either a standard 12.5-inch вЂњTNвЂќ TFT display or a 12.5-inchВ extra bright wide-viewing вЂњIPSвЂќ TFT display. Installation guide for macOS High Sierra 10.13 on the ThinkPad X220 is available here IPSВ DISPLAY PANELS

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