Windows 8 and 8.1 Forums


Disk Format and other questions regarding installing W8 RP

  1. #11


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


    I got that "Cannot boot from CD - ERROR CODE: 5 message" on one of my older motherboards. What it means is the BIOS on that motherboard can't handle the Boot Loader on the DVD you're trying to boot from. I ended up launching the install from Windows XP that was already on that PC. If you run the setup.exe in the sources folder you'll get all the options you want instead of getting locked into an upgrade.

      My System SpecsSystem Spec

  2. #12


    Thanks Bunny and Alpha.
    I expected that by opening setup.exe it woud ask me to reformat the HDD where W98 is installed, to NTSF. Which I would have canceled because I don't want to erase this disc. But the installer just expects another version of Windows (please upgrade Windows --> LOL ). As Bunny said, it's probably because it expects in fact a NTSF partition. Ok.
    About the DVD Boot issue:
    On Google I found several suggestions. Among others: Reburn the DVD into "ISO9660 + UDF" format, or reboot from the goo' ol' 1.44 floppy and launch setup from there. I'll try tomorrow.
    By all evidences, my MoBo or its BIOS doesn't recognize/support the W8 DVD boot sector. This problem appeared with W7 DVD boot and they changed the DVD format by this time.
    My goal is to install W8 RP to a blank HDD, I bought the other day. I disconnected the other HDD still in the tower, to avoid any accidental erase (you never know which drive letter the material HDD is). (I only reconnected it to test if the install would work off W98).
      My System SpecsSystem Spec

  3. #13


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


    If you run the setup.exe in the sources folder you will get different options than if you run the setup.exe in the root directory.

    >By all evidences, my MoBo or its BIOS doesn't recognize/support the W8 DVD boot sector. This problem appeared with W7 DVD boot and they changed the DVD format by this time. <

    That is the same conclusion I came too when I tried to install Windows 7 on one of my older PC's. It already had XP on it so I just launched the install from there. I saw the same suggestions on reburning the DVD but didn't bother. I don't think booting from a floppy will get the job done. The windows 8 install won't run from DOS.
      My System SpecsSystem Spec

  4. #14


    Hi, I burnt a few DVD with different option and slower speed, it didn't help. It's my MoBo doesn't boot on a DVD because it's a DVD.
    Then I temporarily installed XP, just to be able to launch the setup (the computer had only W98 and the setup expected another version of windows). XP runs fine on this computer (but how I hate it out-of-the-box!) but W8 not.
    Starting the setup on the DVD root:
    Quote Originally Posted by W8 setup
    You PCU isn't compatible with W8
    Nah...! That's impossible. My PCU is a P4 1.8 Ghz, how it can be uncompatible. So I tried the setup from the "resource" folder. At 63% of Copying Windows Files it wrote:
    Quote Originally Posted by W8 setup
    Windows cannot install required files. The files may be corrupt or missing. Make sure all files required for installation are available, and restart the installation
    Ok. Tried with another DVD I burnt before. Same effect. Then I re-downloaded the iso file but this time I didn't waste one more DVD (enough with that!), I extracted the files with 7-Zip. Then the copying of windows files went successfuly. Unfortunately it wouldn't reboot:
    Quote Originally Posted by W8 setup
    PC needs to restart. Please hold down the power button. ERROR code: 0x0000005D
    So yes W8 is realy not compatible with P4! How could that be?! The P4 was a monument, the most popular processor in history!
    Unfortunately W8 is useless to me now because it refuses to install on my computer.
      My System SpecsSystem Spec

  5. #15
      My System SpecsSystem Spec

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Disk Format and other questions regarding installing W8 RP
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