![]() ![]() Updating BIOS via a bootable USB device having a FreeDOS on it did not work getting the same "battery" error (seems that the check is also done in DOS).Opening the ZHK116.EXE with 7zip and modifying the plattform.ini file out of 7zip did not work either, you cannot save the file. ![]() Extracting the ZHK116.EXE manually via 7zip did not work because BIOS flash file isflash.bin (ROM file) not packed, but concatenated to the end of ZHK116.EXE file.That's it, bios update should start now.Run InsydeFlash.exe in the same directory.Change parameter Batteråheck from 1 to 0 or just leave it empty (this disables battery check during BIOS update preparation!), save the file.Open the file platform.ini with a text editor and search for the key "AC_Adapter".Save the contents of that temp directory somewhere (you can then close the error dialogue, the temp files will be removed).Navigate to your current users temp directory %userprofile%\AppData\Local\Temp, there should be somewhere a temporary directory containing the extracted files from the EXE file (for me it was 7zS4A88.tmp).Run the downloaded file, you will get an error like "No battery" or "Low battery", stay on the error dialogue (!).Download the BIOS update from Acer site (ZHK116.EXE).Just got thorugh this "upgrade bios without battery" hell on my Acer E11. ![]()
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