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EvanCamilleri
Paper Tape
Posts: 2
Registered: ‎07-17-2017
Location: MT
Views: 3,049
Message 1 of 3

BIOS Update - Mount the EFI System Partition Failed

My laptop = Y520

 

I installed Windows myself and installed all programs/data etc.

 

Is there a way to install BIOS upgrades without re-installing Windows?

CyberSimian
Bit Torrent
Posts: 734
Registered: ‎07-10-2016
Location: GB
Views: 3,014
Message 2 of 3

Re: BIOS Update - Mount the EFI System Partition Failed


@EvanCamilleri wrote:

Is there a way to install BIOS upgrades without re-installing Windows?


Sadly no.  I faced the same problem with my 700-15ISK.  I set it up as a multiboot system using MBR mode, but had to re-install in UEFI mode when I needed to update the BIOS.  To avoid having to do this again in the future, I decided to do the following:

 

(1) I left the 128 GB M.2 SSD as Windows 10 booting in UEFI mode.

 

(2) I removed the 1 TB mechanical HDD, and replaced it with a 2 TB SATA SSD, and then installed my boot manager, Windows 7, and Windows 10 on the SATA SSD in MBR mode.  In the BIOS, I re-ordered the boot device order so that the SATA SSD boots before the M.2 SSD.

 

So, in normal use, the system boots to the SATA SSD in MBR mode, and I don't access the M.2 SSD.  But when I need to update the BIOS, I use the "Novo" button to access the BIOS "Boot Menu" and select the M.2 SSD as the boot device.  The system then boots Windows 10 in UEFI mode, and I can update the BIOS.

 

-- from CyberSimian in the UK

victorluis
What's DOS?
Posts: 1
Registered: ‎02-06-2018
Location: BR
Views: 1,706
Message 3 of 3

Re: BIOS Update - Mount the EFI System Partition Failed

You should change the "Legacy System" option to "UEFI", then format the hard disk and install the operating system

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