1- installed unbuntu-20.04.01 desktop on my windows10 Asus notebook
2- when I reopen my notebook i had the message: there is no more Bitlocker recovery options on your PC
3 Went to advanced in Bios and start Easy Flash
4 In Asustek Easy Flash Utility that opened, I see in the section New Bios, Platform : unknown, version unknown, build date : unknown, build time unknown.
In Current Bios section there is Platform T100TA, Version 313, build date aug 13, 2014, ...
I have install Rufus-3.13.exe on a stick and plug it to the computer and nothing happened.
5- I have configure the Bios to boots from USB
It seems the computer doesn't read at all the USB.
I may have <removed> the BIOS or a key is missing to upload from the USB.
Help please!

Rufus can be installed in Windows or you can download the portable version which does not require installation. You fire it up, select your USB drive in the menu, select the Linux ISO file to write to the USB stick and let Ur' rip. Then you try booting the stick after Rufus has completed.
You may need to boot into Windows and disable Bitlocker. If Windows is not booting...
Windows 10 is usually setup to boot to the WinRE recovery partition after 3 failed boot attempts. Try booting to your recovery environment, you may have the option to do it from BIOS.

[QUOTE=Brains;6226254]Rufus can be installed in Windows or you can download the portable version which does not require installation. You fire it up, select your USB drive in the menu, select the Linux ISO file to write to the USB stick and let Ur' rip. Then you try booting the stick after Rufus has completed.

You may need to boot into Windows and disable Bitlocker. If Windows is not booting...
Windows 10 is usually setup to boot to the WinRE recovery partition after 3 failed boot attempts. Try booting to your recovery environment, you may have the option to do it from BIOS.

Thanks Brains. I cannot install anything with Windows since it was erase when I tried or I have install Unbuntu. I have no Windows and no access to install anything. I have put Rufus on a USB and I don't know why it doesn't up load on my computer. What do I have to do to make my computer upload something? If I have the option to boot from recovey environment in Bios, I didn't see it. But maybe I don't know where it is.

Thanks again Brains, the Bios version of my Asus T100TA is 313, the processor is Intel
(R) Atom (TM) CPU Z3740 @ 1.33GHZ Total memory 2048.

Hopefully you have options in the BIOS to deal with the BitLocker issue.
And flashing the firmware is not the first place to go..
Perhaps post the make and model of the computer, someone with similar or same unit can possibly help with BIOS settings and get the USB booted.

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If what you are attempting to do is flash a BIOS upgrade to your PC, Rufus is not a normal way to get there. Rufus is mainly about making bootable USB devices using .iso files. You don't need the USB to be bootable. You need a USB formatted with a FAT filesystem and containing the file that provides the new BIOS code to be flashed. First you format the USB with FAT. Then you copy the BIOS upgrade file to the USB. Then you boot directly into BIOS setup The existing BIOS Easy Flash should find the file on the USB stick and then perform the flash if you have taken the required steps in the proper order.

Thanks mrmazda, I will try that. My objectif is to succeed in installing Ubuntu 20.10 My first try may have not work because I didn't do the step that you provided me.

Hi mrmazda,
The info that you gave me didn't work.
1-I have formatted with my Acer a USB with FAT 32 and
2-copy on the USB the Bios for my Asus T100TA file name: T100TAAS313.ZiP
3- I have extracted the file T100TAAS313 from the ZIP
4- I put the USB in the Asus port and
5- I started the Asus
6- the same message appeared : there is no Bitlocker recovery options on your PC
7- I push the windows button to access Aptio Setup Utiliy, which is the bios
8- I choosed Advanced and push Start Easy Flash
9- Which goes to initializing getting Flash information
10- Which present the Asustek Easy Flash Utility
The info that I have in this window is:
Flash type: Winbond 25x/Q series
2 block of information
First block with the Current Bios which give the information of Asus original Bios
Second block with New Bios: Platform : unknown
Version : unknown
Build Date: unknown
Build time : unknown
After I have 2 other blocks, first block, there is 3 names (FS0, FS1, FS2) of directories and the second block is the content of the directory.
FS0 content 0 EFI (DIR)
1 System Volume Information (DIR)
FS1 0 Extend (DIR)
1.
2 en-us
3 Faclog
4 OEM
5 Recovery
6 sources

8 Boot (DIR)
9 EFI (DIR)

I have tried all and nothing works. I must tell you that this happend after I have installed Ubuntu 20.04.01

It appears that the USB stick you used may be partitioned. I don't think such configuration satisfies Easy Flash requirements. What is the output fromwhen you are booted to Ubuntu or live Linux media and the USB containing the flash file is inserted?

Sorry I am not familiar with this code sudo fdisk -1. Where do I put it? I don't understand your second question, but here an possible answer: When I open my computer, the USB with Ubuntu in it was in the port of the computer.

While booted into Ubuntu's desktop, open a terminal to type it in. If you do instead it this way:there will be created a file named textfile.txt containing the ouput, which you might wish to copy to a familiar location from which to paste it here. Alternatively, also while booted to Ubuntu, you may key in Ctrl-Alt-F3, then login, then type it. Either way, another option might be which would upload the output to the internet, and provide you a URL to paste here instead of your pasting the output here directly.

Please use code tags when you post any type of command output of more than one line.

the hardware (Asus T100TA) utilizes 32 efi.

you will need to install a distro that supports 32bit EFI or modify the Ubuntu you have to install a 32bit efi bootloader.

thanks Mrmazda, I have read what you said about entering Sudo code, but unfortunately I am out of everything. the only access is to the Bios and I am not sure even by choosing USB in my Bios as the First Boot does anything. I don't see where I can enter any info in my Bios. I have no access to a dos space where I can enter any code. Thanks to help me.

Thanks Benmec for your help, I think you are right I need a bootloader but 32 efi is it not the same than FAT 32 and what is a distro! I have tried to install Ubuntu 20.04.01 but I am not sure I have succeeded because I have only the Bios that I can access, no more info than that. I am sorry, I am not at all familiar with what you said. If you can be more specific with the steps I have to take to get to a bootloader USB stick that will push info into the BIOS, it will really help me. or install Ubuntu or give me more options. Thanks
By the way, I have the Bitlocker key, but there is no where where the Bios ask for the key!

It's a bit unclear as to what you actually did!
Do you have Windows still available?
You say that you installed Ubuntu, or did you mean that you wanted to install Ubuntu?

The usual procedure would be

1 Download the Ubuntu iso file.
2 Install rufus in Windows and run it to transfer the Ubuntu media to a USB stick.
3. If you are going to keep Windows, use it's tools to defrag the disk and shrink the Windows partition to make space for Ubuntu.
3 Reboot the computer and enter BIOS configuration. Disable quickboot and choose the option to boot from the USB device rather than the hard disk.
4 Ubuntu will then run and can be installed.

So, how much of that got done?

Hi DavidMcCann, thanks for you respond. I had windows but I wanted to install Ubunty 20.04.01.
1- I copy from Linux site Ubuntu 20.04.01 on a USB and
2- put my USB to my Asus computer port and, I think, installed it in my Asus. I have install a lot of programs but maybe it is different with this situation. Everything seems to go well. Ubuntu seems to upload in my computer Asus.
3- When I shot it down and reopened the computer it went to a screen saying: there is no more Bitlockers options in you PC!!!
4- I did a search to find how I could unlock my computer and found a key to unlock my computer but there is no place were I can put this key. Do I copy it to a USB and stick it to the port and it will unlock!! I will try that maybe if it is possible, but i doubt it is possible. They said that there would be a window that will request it and I never saw it.
I have done everything you have mention above in your message and this lead me to the Bitlockers screen. The only thing I have access to is the Bios, but there is no place where I can enter a key or information of any kind.
Thanks