WARNING: System will shutdown or reboot in 5 seconds! WARNING: System is going to shutdown and do capsule update! Phoenix SCT Flash for DOS V1.3.26.1, Build 120810Ĭopyright (c) 2011-2012 Phoenix Technologies Ltd. The output will look something like this: bat_cap= 100
Install a live version of FreeDOS to a USB stick.For safety, you should probably upgrade them sequentially on all flavors. It is not clear whether the instructions to upgrade to H9ET75WW before upgrading to H9ET84WW or H9ET92WW only apply to the "H9" flavor, or all flavors. h9et84ww.txt contains lots of conflicting information about versions and dates, and should not be trusted. I've provided the version, date, and embedded controller version for the "H5" flavor after upgrading. Note that the two digits before 'WW' are different for the "H9" flavor as compared to the others. When run, h9et84ww.exe extracts its contents to a directory, which contains these versions:īased on the file size, I believe h9et92ww.exe only contains H9ET92WW for the "H9" flavor. Understanding versions and available filesĬurrently these three versions are available:Įven though the filenames indicate the "H9" flavor, the first two also contain BIOS updates for the "H1" and "H5" flavors. Mine looks like this, I have the "H5" flavor and will need to install the files that begin with "H5": UEFI BIOS Version H5ET69WW (1.12 )Įmbedded Controller Version H5EC31WW(1.11)
We're only concerned with the UEFI BIOS Version, not the Embedded Controller Version. UEFI BIOS Date (Year-Month-Day) YYYY-MM-DDĮmbedded Controller Version H?ECxxWW(y.yy) Here you should find the following: UEFI BIOS Version H?ETxxWW(y.yy) Press F1 at boot to enter the BIOS setup. zip file and version that I would need to first flash to any more, so I don't know what to do about that.ĭetermine your current BIOS flavor and version I have also recently noticed that the Lenovo page isn't providing or saying anything about that. If you need any more information to answer my question, please just comment. I recently checked in my BIOS settings, and it is apparently allowing both UEFI and Legacy mode. So I was wondering if anybody could advise me on this BIOS upgrade as I have never done this on Ubuntu before?
zip file is provided to do that, but I am also unsure about how to boot of the. And I see that as my BIOS version is older than H9ET75WW that I first need to upgrade to that version, before upgrading it to the latest, and a.
exe file designed for Windows systems only. And I have read this guide here: Ubuntu BIOS UpgradeĪnd I know that this is the download for my BIOS upgrade: Lenovo B590 BIOS upgrade H9ET84WWīut the problem is, even though I have read the instructions in the first link, I am still unsure about how to upgrade my BIOS if I have this. But as my current BIOS version is buggy, I need to upgrade it to version H9ET84WW (2.0). I am currently running Ubuntu GNOME 15.04 on a Lenovo B590 notebook with BIOS version H5ET69WW (1.12).