Lenovo ThinkPad E550c BIOS Update Utility 1.17

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Description

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Changes:

- (New) Updated RC 2.7.1 for Win10 preload support
- (New) Added Win10 WUFU function support;
- (New) Updated Computrace module version to 945_VN to fix system BSOD issue while Computrace function is activated;
- (New) Added workaround to resend the power status change Q-event(0x4B) to notify system for power protect feature force stop charge 2sec.
- (New) Added "force stop charge 2 sec when S3 resume" protect function for power team request.
- (New) Implemenedt SMM attack security issues(LEN-2015-002).
- (New) Implemented SMM attack security issues(LEN-2015-050).
- (New) Implemented security issues(LEN-2015-064).
- (New) Updated flash tool version to 1.0.3.0.
- (New) Improved battery authentication function.
- (New) Implemented Sleep button for Fn + 4(number key).
- (Fix) Fixed an issue related to secure boot logo test fail issue on Win10 HLK test;
- (Fix) Fixed an issue related to POST hang up issue after disabling memory protection in setup;
- (Fix) Fixed an issue related to the CD-ROM boot fail issue if the boot mode is legacy first;
- (Fix) Fixed an issue related to LED blinking issue in DC only mode when enabled AOU and charge in battery mode;
- (Fix) Fixed an issue related to non-AOU USB port charging state incorrect in S5 when disabled AOU issue.
- (Fix) Fixed an issue related to touch pad and keyboard still can work after restart when LID closed.

About BIOS Update Utility:

Applying a new BIOS version can bring various fixes, add new features, or improve existing ones; however, this action is very risky and should be carefully carried out in a steady power environment (such as the one ensured by a UPS unit), and only when it is really needed.

Moreover, it is recommended that the BIOS be upgraded by someone who has the ability to use advanced system features. It can also be fulfilled by a regular user as well, but at their own risk.

The Basic Input/Output System (BIOS) is a highly important piece of software that loads the currently installed operating system and tests all hardware components – so make sure you flash it correctly.

When it comes to changing the BIOS version, the update utility searches for a compatible package in any given location or on the web and, if found, it will automatically install the desired build, if and when your approval is given.

Do take into account that failing to perform the installation could seriously damage your system, and the faulty BIOS might even render it unusable.

Therefore, if you intend to upgrade your BIOS, hit the download button, get and install the package, and run the utility to check if a newer version is available. Don’t forget to check with our website as often as possible to be up to date with the latest releases.

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