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It is caused because of disorganized information which takes more time to put through data fragments on the drive.

The problem can cause slow file transfers and more time to load a program.

You can face a slow hard drive problem with your Lenovo ThinkPad X280 which can also be caused by Windows 10.

Common Problems with Lenovo ThinkPad X280 and their Fix 1. I'm sorry in advance for my poor English, I'm French.Keep patience your Problem will eventually come on the page. Mine was 2.48 (or close) and it's now GLET82WW (2.36 ) ! To check, you can type in Command Promot : wmic bios get smbiosbiosversionĭid not yet try a compatible MacOs Wifi card, but I will let you know. The T440p will reboot and the BIOS will be flashed to the dedicated version.

The WinFlash64.exe file needs a BIOS file as an argument which is being done with the /sd /file options and it will initiate the flashing (downgrading) without any issue. Type Code: C:\DRIVERS\FLASH\gluj27us\WinFlash64.exe /sd /file C:\DRIVERS\FLASH\gluj27us\GLET82WW\$01E0000.FL1 Open Command Promot and run it as Administrator Do not forger to run it as Administrator ! The changelog states "If the UEFI BIOS has been updated to version 2.36 or higher, it is no longer able to roll back to the version before 2.36 for security improvement."Ĭ:\DRIVERS\FLASH\gluj27us\, this is the location where the flash utility gets extracted, if you used the default location. It's because the new version is write protected and cannot be downgraded with the official installer. But it will throw a error saying "BIOS image file does not match this system." which is just a crap. Once completed, it will ask you to update, continue with that. By default, the C drive location will be used. You can directly download the right one on Lenovo Website) The BIOS v2.36 has no whitelist and can be flashed in order to install the Broadcom Card without any issues. The workaround is there.įor this method, you don't need the test clip or the programmer or the modified BIOS. If talking about the downgrading process, the Official BIOS installer will always have issue if a updated BIOS has been flashed already on the Laptop. This method is really easy to follow and has no risk involved. This Guide is inspired by this article for T440 and T440s : But if you follow strictly the guide on elitemacx86 it will not work for the T440p.

I searched quite a bit, and figured that it will be easier to share what I found ! :) So, yes it is possible, I just did it.