When power on the Lenovo x200 tablet type 7449-A12, the screen is blank for about 15 minutes before the Lenovo x200 tablet start to boot up normally to the Windows 7 x64 Operating System (OS). The problems were due to the Trust Platform Module (TPM) was not in operational mode and the Intel Active Management Technology (AMT) Firmware needs to be updated to version 4.2.21.1037 or higher version.Solutions:Please make sure that you have already download and installed the below for Lenovo x200 tablet type 7449-A12:Intel AMT 4.2 Local Manageability...
Wednesday, March 23, 2011
Solved slow bootup with blank screen on Lenovo x200 tablet type 7449-A12 (Rev: 1.0)
Posted on 3:04 AM by Unknown
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