Rollback or down grade BIOS aspire v3-571g

Sinaesmaili
Sinaesmaili Member Posts: 7

Tinkerer

edited January 2021 in Aspire Laptops
I upgrade my laptop ( acer aspire v3-571g) bios from V. 1.13 to V. 2.21
Upgrading finish secsecfully but after restart show 
pxe-e61 media test failure
pxe-mof exiting pxe rom
I want to roll back to my previous bios version or solve my problem what musst i do?
I remove bios battery
And try install again bios in msdos on usb drive but it does not recognize any bootable device?
Is any way to use 

Answers