This article gives you step by step instructions on how to create a new Windows XP CD from your existing CD plus add in the vital SATA driver that Windows setup so badly desires. So, I deleted my recovery partition to try to reclaim some of the tiny hard drive on this thing, without reading into it (Stupid, I know) and I ended up bricking the windows install. Since you can't boot into Windows this can be tricky.Then under 'main' under Secure Boot, use the second option (says something like add EFI file).You should see HDD1 and USB on the next screen - choose USB.
The option then IS grayed indeed, but there's only one option (no -brackets) so you can't choose for something else. Make sure your usb is UEFI 32bit bootable (/EFI/bootia32.efi) Acer Aspire Switch 10 support to boot efi 32bit only and not support legacy boot.Acer Aspire Switch 10 use wimboot for run windows,if you delete recovery partition, it's become unable to boot (C:\Windows\ store only link file to wim image in recovery partition and update file) Example : g Parted Bootable USB is support efi 32bit , you can try to download and boot them.Make sure your usb is UEFI 32bit bootable (/EFI/bootia32.efi) Acer Aspire Switch 10 support to boot efi 32bit only and not support legacy boot.For no reason after cleaning up the c drive to get rid of the 8.1 installation , my disk had 12gb used so i reseted the pc without the use of the recovery drive i had made and now i am at 21gb of free space ! Just beware, if you were to get poweriso from poweriso.com, you have to de-select all of the adware and promotional offers from the installer as you go.Job done both for making a usable recovery partition since the hidden one was unusable and also gaining that wasted disk space. If you boot the ISO to a DVD, UEFI will recognize it as a boot device and it will give you advanced troubleshooting and the option to reinstall Windows. A bios update will give you the legacy boot option.You can find that by going to ACER's site and looking up your laptop using its SNID: Sorry man, things were a lot easier before this UEFI stuff came about.... A bios update will give you the legacy boot option.Been trying to figure this one out for about a week and then just stumbled on to it when I was working with another switch 10 tablet (Because the battery died on the first one, Waiting on the chargers for both of them).Put the supervisor password in and noticed that the stuff was shaded as if it could be changed.This is the correct answer and yes the USB port on the computer works.Do as Leslie says and just plug-in the USB when in the UEFI screen.