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Windows 7: Bootable DVD not booting ?


01 Apr 2012   #11

Windows 8.1 Pro
 
 

It is a WindowPE boot disc. It is not being read by the computer. The disc is single layer (4.5) and it is a new disc, I've created two of them so far. The error I get is that it's not a recognized file format. Another PC with Vista64 can read it ?


My System SpecsSystem Spec
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02 Apr 2012   #12

W7 Home Premium 32bit
 
 

Does it boot on another pc? Again, forget about it being read or not.

Another variable is that there is a boatload of inferior media out in the world.
I personally only use, and recommend, Verbatim or JVC purchased only at SuperMediaStore, Amazon, or Newegg. That way you can be fairly certain you're not getting knockoffs. You could be a victim of bad media.

Does your Windows 7 disc boot in your dvd drive? If you don't have one, borrow one. This would eliminate the optical as the problem.

Are you using Imgburn at 4x speed to burn your discs?
My System SpecsSystem Spec
02 Apr 2012   #13

Windows 8.1 Pro
 
 

The disc does boot on another Windows7 machine. What is wrong with the DVD drive on this computer ? I can verify it is a Verbatim DVD. I don't have the Windows7 boot disc at hand, hopefully I gave enough information to rule out what could be the problem. I didn't use image burn, it was a backup program that created and burned the ISO.
My System SpecsSystem Spec
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02 Apr 2012   #14

Windows 8.1 Pro RTM x64
 
 

Can you swap DVD drives from a computer that is capable of booting up from this disk to the computer that isn't. Following that, does the disk now boot up from both machines, neither, the one it originally used to boot up with, or the computer that it couldn't boot from (the PC in question).

I think what you might have done is borked the drive when you installed the latest firmware (assuming, of course, that it didn't come with the latest firmware and that you upgraded it). Don't worry, I've done that myself with one of my previous drives (which I ended up replacing).
My System SpecsSystem Spec
02 Apr 2012   #15

Windows 8.1 Pro
 
 

I updated the firmware driver about 6-8 months ago, realized the other day when I had done the firmware update that it wasn't updating, nothing since it was at the latest version. It is quite possible it is the firmware, I find it odd, all other DVD work, except this boot dvd, when I go to the command prompt and switch to the DVD drive, I'm told it's an unrecognized file format. Is there a way to downgrade to a previous firmware ?
My System SpecsSystem Spec
02 Apr 2012   #16

Windows 8.1 Pro RTM x64
 
 

I'm not aware of any way to downgrade a firmware upgrade, but assuming that you can obtain the previous firmware version from somewhere (preferably the manufacturer's website), then I would think that the procedure would be the same as a normal upgrade (but follow any given instructions carefully).

Did you try my suggestion of swapping drives to see what happens? I still think that the easiest option would be to replace the drive.
My System SpecsSystem Spec
02 Apr 2012   #17

Windows 8.1 Pro
 
 

I'm going to see if I get a reply for downgrading the firmware, if no reply by tomorrow. I'm going to get a new drive, only option I have.
My System SpecsSystem Spec
02 Apr 2012   #18

Windows 7 Ultimate SP1 64-Bit
 
 

Seems like the best option.

Mind you, if it was the manufacturer's firmware that screwed the drive, I think they are morally bound at least to replace the drive free of charge.

Whether they will or not is a different matter.
My System SpecsSystem Spec
02 Apr 2012   #19

Windows 8.1 Pro
 
 

Solved. My DVD player cannot boot, bootable DVD discs, only bootable CD discs, most likely due to the firmware upgrade.
My System SpecsSystem Spec
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 Bootable DVD not booting ?




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