Windows 8 and 8.1 Forums


USB Boot Issues on Acer Aspire S7-392 UEFI, GPT, etc.

  1. #31


    Posts : 6
    win 8.1

      My System SpecsSystem Spec

  2. #32


    Posts : 6
    win 8.1


    why buy now OS, when i have notebook with legal windows?
      My System SpecsSystem Spec

  3. #33


    Posts : 2,690
    Windows 3.1 > Windows 10


    Good Luck with that.. It will not activate..
      My System SpecsSystem Spec

  4. #34


    Posts : 879
    Windows 10


    Quote Originally Posted by Fidelio View Post
    I tried this, but it always wants the installation product key. is an installation option to skip this?
    How to download and clean install Windows 8.1 if you have an OEM computer with UEFI firmware (BIOS) embedded Windows 8/8.1 product key. -> link

    How to download and clean install Windows 8.1 if you don't have an OEM computer that came with Windows 8/8.1 preinstalled. -> link
      My System SpecsSystem Spec

  5. #35


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Keep in mind that if you download Windows 8.1 from this link, Create installation media for Windows 8.1 - Windows Help, you have to download the correct version. To be able to use your OEM embedded key the version you install has to match the original version installed by the OEM. If you download Pro, and try to install it on a PC that came with just 8.x (Core), you will be prompted to enter a key. It will only use a Pro key and ignore your OEM Core key. Same deal if your PC came with Pro and you try to install Core, you'll be prompted to enter a key. Another gotcha is if your PC came with the Single language version. If you try to install Core (non single language) or Pro you'll be prompted for a key.

    TechNet and MSDN ISO's are multi edition and will install Core or Pro depending on the key used. Retail DVD's work the same way. The above download doesn't though, that's why 8.1 and 8.1 Pro are listed.
      My System SpecsSystem Spec

  6. #36


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    I had issues booting from a USB thumb drive on my wife's Acer. Using diskpart to make a FAT32 drive finally worked for me.
    Option Two here, UEFI Bootable USB Flash Drive - Create in Windows. Even Rufus didn't seem to work. I have no idea why the ACER is so fussy about boot able thumb drives. I didn't get the UEFI option either, but it did install in UEFI mode. There just wasn't any mention of UEFI in the boot devices list? There weren't two entries for the thumb drive, one with UEFI and one without. Just the one entry.

    It's easy peasy on my ASUS laptop and I can use NTFS and still install in UEFI mode.
      My System SpecsSystem Spec

  7. #37


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Just to reiterate what I was talking about. My laptop came with Windows 8.0 (Core). If I install windows 8.1 with media created with the media creation tool, it uses my 8.0 OEM embedded key automatically and activates online as soon as I have internet access with no issues. If Install 8.1 Pro with media created with the media creation tool, I get prompted to enter a product code. I can and have entered one of my TechNet 8.0 Pro (Retail) keys and it is accepted. Activates online automatically too.

    If you refreshed the factory image with your recovery disk it should use the OEM key and activation should not be an issue. You mentioned that you were dual booting with Linux. Did you turn off Secure Boot or change any other BIOS settings? If yes, change them back to the original settings and see if your PC will then activate. To be honest I don't know enough about UEFI to say if that is your activation issue or not but it can't hurt to test it out. I've only ever run Windows and haven't messed with my laptops BIOS all that much.
      My System SpecsSystem Spec

  8. #38


    I had issues booting from USB on my Mom's Acer, so yall are not alone.
      My System SpecsSystem Spec

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USB Boot Issues on Acer Aspire S7-392 UEFI, GPT, etc.
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