![]() Plug in your USB preferably in the USB 3 port if you have a disk that supports it.If you don’t have a spare computer you will have to download the Ubuntu ISO on your phone and borrow a computer to make a live USB. I have a 30GB UHS 3 SD card that I always keep at the back of my wardrobe draw that has the latest LTS on it just in case. ![]() First, make sure you have an Ubuntu Live USB with Ubuntu 20.04. The following steps will allow you to reinstall Grub on a computer with EFI enabled in order to make it bootable again. List your products for free How to reinstall the EFI partition after accidentally deleting it in Ubuntu 20.04 Guess not people are making the mistake I made. Most internet searchers were useless but a few hours later I found a solution. In the old Legacy Boot days not booting up could easily be fixed by reinstalling Grub2 the glorious Linux bootloader. After booting up I noticed the EFI partition was missing. Fortunately the USB I had failed to edit was a live USB. ![]() Firing up a one-time boot using F12 showed that there was no operating system. The laptop wouldn’t boot up and kept saying it was checking memory. Again I was so distracted I failed to notice that I wasn’t working on my external drive.Įverything came to a crashing halt when I decided to restart. The operation failed when I tried to delete my main partition. I ended up deleting the all-important EFI partition without even noticing. Both my USB and OS drive had EFI partitions. ![]() In the process of deleting all partitions, I used a graphical utility and failed to pay attention to the disk I was editing. Format it using an ancient file system called FATĮasy right? Wrong.Enter your device’s service tag or serial number.Flashing your BIOS in Ubuntu is a trivial albeit manual process nowadays. I recently got a new pre-loved laptop and as always I nuked Windows but in the process of booting up, I noticed that my BIOS was a bit out of date. ![]()
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