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Robert EhingerFlag for United States of America

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Need to add boot device in BIOS

I am using  a Biostar Motherboard A68N-2100 AMD APU E1-2100to build a new computer so I need to connect a DVD drive to load Windows 10. The computer is not recognizing the drive so I cannot boot from it. How do I add a boot device in the BIOS? I only see the Hard Drive.

Thank you.

Robert Ehinger
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Ramin

Disable Safe Boot from BIOS and select legacy Boot,
You're better off using Rufus to write your ISO file to a bootable USB device.  With Rufus the system should recognize the drive in BIOS and allow you to select it as the first boot location.
Disabled Secure boot and enabled Legacy Boot from BIOS.
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I will try disabling Safe Boot. I already tried writing to a uSB device but that was not recognized either.
It wasn't recognized because it probably wasn't set for a GPT partion with UEFI boot.  What Ramin said about turning legacy boot on should do it.  That is if your motherboard accepts legacy boot.  I just built a system with an ASROCK that has no ability to boot legacy.
As long as BIOS is set to Secure Boot it will not let you to use USB or DVD to Boot from any Operating System to keep your system secure.

Also you may need to Enable Legacy Boot or Disable Lock Legacy Resources.

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Secure Boot was already disabled.  The only place where I could find any Legacy options is in the CSM parameters. I changed all those options to Legacy and still cannot add a boot device.
Please try and use "Rufus" to create a "GPT UEFI" USB boot device.  Be sure that once you select the ISO image with Rufus that it doesn't switch back to MBR.  It says UEFI with it but it will not work.  The board you have appears to be like my ASROCK and requires a UEFI boot device.
Apparently the BIOS does not work with your USB DVD drive. Instead of using DVD use USB Stick. You can create Windows 10 installation USB stick using Media Creation Tool from Microsoft: https://www.microsoft.com/de-de/software-download/windows10
Are you sure your first boot drive is set to USB legacy flash drive / DVD in BIOS  Hard Drive BBS Priorities?

You also need to Save and exit BIOS.
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nobus
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Getting another drive to see if that is the problem.
can you answer my question , Robert?
Drive is connected to SATA.
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so it seems to be a bad drive - or what ?
Bad drive and bad cable. Both had to be replaced.
tx for feedback Robert, Always useful