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Anonymous
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Re: E6420 won't upgrade BIOS from freeDOS

Bonjour,

Look at the page:

http://www.dell.com/support/article/fr/fr/frdhs1/sln143196/how-to-create-a-bootable-usb-flash-drive-...

1: create the USB boot

2: on your USB key, delete everything except:

COMMAND.COM 
DELLBIO.BIN
DELLRMK.BIN
AUTOEXEC.BAT
CONFIG.SYS

 

3:  Add the Bios in the usb key by renaming it 'bios'.

4: Boot your computer is usb l-egacy (F12)

5: the usb key will load 'C:' (DOS)

6: typing on your BIOS keyboard

Y for yes install

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