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#1 Legacy on ES1-132 by rodrisbx 08.05.2019 18:06

Hi,how can i enable Legacy boot on ES1-132?

#2 RE: Legacy on ES1-132 by Lost_N_BIOS 09.05.2019 09:09

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@rodrisbx - I assume you mean this BIOS??? https://www.acer.com/ac/en/ID/content/support-product/6975;-;
I checked BIOS 1.26 -

Boot Mode:, VarStoreInfo (VarOffset/VarName): 0x79, VarStore: 0x1234, QuestionId: 0xA015, Size: 1, Min: 0x1, Max 0x2, Step: 0x0 {05 91 0C 05 0D 05 15 A0 34 12 79 00 04 10 01 02 00}
One Of Option: UEFI, Value (8 bit): 0x2 (default) {09 07 0E 05 10 00 02}
One Of Option: Legacy, Value (8 bit): 0x1 {09 07 0F 05 00 00 01}

Use this guide to learn about using and booting to grub and setup_var, you can start at step 5-6, since I've gathered the info for you above
[GUIDE] Grub Fix Intel FPT Error 368 - BIOS Lock Asus/Other Mod BIOS Flash
Alt boot to grub when no boot to EFI on exit page, you will need to use this method to boot to grub >> [Help needed] Hidden Advanced menu Bios HP Z1 J52_0274.BIN (2)

At grub prompt type the following to change default UEFI boot to Legacy Boot >> setup_var 0x79 0x1

#3 RE: Legacy on ES1-132 by rodrisbx 09.05.2019 19:45

I´ve get an Can´t modify variables on efi error

#4 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 10:38

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Show me image of the command given and the error, so I can see it all on same screen.

#5 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 11:11

@Lost_N_BIOS The error of the photo

#6 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 12:36

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@rodrisbx - Thanks, sometimes this happens. Lets check to confirm it didn't apply, do setup_var 0x79 by itself, and see if it tells you offset = 0x1 or not (If not, then we need to try other way, or I make you mod BIOS which is probably easier)
If it's not 0x1 - then download the Intel ME System Tools package V3 from section C2 in this thread - Intel Trusted Execution Engine: Drivers, Firmware & System Tools

Once downloaded, inside you will find Flash Programming Tool folder, and inside that a Win64 folder. Select that Win64 folder, hold shift and press right click, choose open command window here (Not power shell).
At the command prompt type the following command and send me the created file to modify >> FPTW64.exe -bios -d biosreg.bin

If you are stuck on Win10 and cannot easily get command prompt, and method I mentioned above does not work for you, here is some links that should help
https://www.windowscentral.com/how-add-c...creators-update
https://www.windowscentral.com/add-open-...menu-windows-10
https://www.laptopmag.com/articles/open-...ator-privileges

Also, immediately after you successfully run the command above and get the biosreg.bin file, test writing it back using command below, so we can see what if any error that gives you
If error, show me image of command entered and error given. If any error before flashing, stop, do not try to proceed, show me command given and error
FPTW64.exe -bios -f biosreg.bin

#7 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 12:42

@Lost_N_BIOS he gives me an 0x2

Flash Programming Tool gives me an : error 397 there was a communication error between fpt and the TXE

I think that error happens cause i don´t have the TXE driver..

Now i´ll try to install it :)

@lost_n_bios i was on Windows 8.0 x64,but now i'm updating to win10 x64 to install the txe driver

#8 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 13:54

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@rodrisbx - Again, please edit your posts if you need to add a new thought, you do not need to make several posts in a row, thank you.

Yes, you need to install the correct TXE ME FW drivers before you can use FPT, sorry I forgot to mention this. You do not need to update to Win10, and I would suggest against that personally, Win8 is bad enough.
Since Acer seems to only offer the "Win10" driver, download the V3 Win8-Win10 version from this thread - Intel Trusted Execution Engine: Drivers, Firmware & System Tools

For when you get there , FPT MUST Be ran from an Admin Command prompt as I mentioned above, it cannot run from regular command prompt or power shell.

#9 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 13:56

Ah,i'll install TXE drivers and Windows 10,Windows 8 is sooooooooo awful

Because my laptop only have TXE driver for 10

#10 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 13:59

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@rodrisbx - You do not need Win10, see my edit above for driver link. Also, probably same driver we have linked in that thread, since Win8/Win10 = same stuff/rubbish So Acer driver probably install on Win8 anyway, if not use the link above and get driver here it's direct from Intel

If you hate Win8 you're going to hate Win10 worse, please slow down!

#11 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 14:22

@Lost_N_BIOS Here´s the link to download the bios : https://drive.google.com/file/d/1ZCd2voW...ew?usp=drivesdk
@Lost_N_BIOS I tried flashing it like you said to test the file but it gived me an EOM prevents IFWI Prepare to Update from completing,and i given FPTW64.exe -bios -f biosreg.bin command

#12 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 14:32

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Any error you are trying to describe, I need to see an image of this please, so I can see command you entered and the error all on one image.

Now, stop messing with this for now except for to give me that image, I am leaving and wont be back until tonight.

#13 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 14:33

here @Lost_N_BIOS

#14 RE: Legacy on ES1-132 by Lost_N_BIOS 10.05.2019 14:37

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@rodrisbx - Thank you for the image, please wait, see my edit above - Is this a laptop or desktop? If desktop, please remove the cover and inspect the board up close and look for 2pin headers with or without jumpers and see if you find any that say ME/FD/FDO/Service etc.
Be sure to check above memory slot too, sometimes they can hide there and people don't notice due to the memory clips, but usually they would be near the bottom areas of the board or on side near power cable connector.

plutomaniac I've not seen this FPT error, do you know the cause or resolution?

#15 RE: Legacy on ES1-132 by rodrisbx 10.05.2019 14:38

It´s a laptop

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