Note that updating the BIOS beyond version 1.40 will prevent rolling back to an earlier version when using an official Lenovo installer.The latest official BIOS (version 1.46) as well as previous versions can be downloaded from Lenovo here.Recommended RAM: Crucial DDR3 1866MHz PC3-14900 – 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 PC3-14900 non-ECC RAM.Many merchants will advertise a particular part number but send a “compatible part” instead.Ī method to repair a common malfunction with IPS panels is described here.įHD (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) – the T2 IPS panels do not have mounting rails that align 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.
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