Put the usb flash drive in the Dell E6420 on which you want to update the bios. You copy the biosupdate from dell (E6420A23.exe) to the usb disk you just created. When the process is finished, you can close Macrium Reflect. You need certified signed drivers for that. Even when using only uefi it might be problematic. If you use the 64-bit version, you can choose MBR + UEFI boot loaders.īe aware that non-signed drivers, which might have been included by winpe, do not load when you use uefi + secureboot. In the next windows, you’ll see what will be downloaded. The easiest option is to choose the default wim in the next window Macrium reflect will incorporate all the drivers from your current pc into the winpe, which contains already a vast array of drivers. If you’re on windows 7, the program will propose a winpe 4.0.įrom windows 8.1 on Macrium will propose to make a winpe 10.0, In the following window you can choose another winpe version. You don’t need to register, but you could. In order to do a biosupdate on a Dell latitude E6420, you will need the 32 bit version !!!!ĭownload x86 if you want the 32 BIT VERSION, but you will have to execute it on a 32 bit system.ĭownload 圆4 if you want the 64 bit winpe, which you will have to execute on a 64 bit systemīefore installing Macrium Reflect, put the flash drive in. However, if you want a 32 bit winpe, you will have to install Macrium reflect on a 32 bit system. The easiest way to make a winpe is Macrium reflect Update the bios of a Dell E6420 with a bootable winpe usb stickįormat a usb flash drive of minimum 500 mb (if you still have such a small flash disk) as fat32 with hp drive usb formatter.
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