Last reply by 11-27-2022 Unsolved
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2 Bronze
2 Bronze

No Boot Device Found. Press any key to reboot the machine.

OptiPlex 7010

So my dell optiplex originally had a hard drive, which had windows installed. Then I decided to get an ssd, and simply replaced the hard drive with the ssd, installing windows onto that ssd. Now I want to have both the ssd and the hard drive installed, of course, having my computer boot up from the ssd. But when I have them both installed and try to boot the computer, it displays various messages such as “No boot device found. Press any key to reboot the machine.” I would like to know how to fix this, boot my pc from my ssd, then clear the hard drive. 

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7 Thorium

You may have had more replies if you had posted in the Optiplex Desktop forum. When you clean installed Windows, which I assume you did, did you disconnect the HDD before installing Windows? Then boot Windows with only the SSD installed and if it booted properly then reconnect the HDD. Did you make any changes to the BIOS such as switching from UEFI to Legacy or vice versa after the Windows installation? It is also possible that the MBR has problems. Does the system boot properly with just the SSD installed? This page at stellarinfo has more suggestions. Was the BIOS set for RAID or AHCI? It should be AHCI based on your use of the HDD.

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What do you mean by clean install windows? I’m pretty sure I installed windows onto the ssd when the hard drive was removed. I just tried removing the hard drive again, and booting it from the ssd, and it didn’t work. But it did work before with the ssd by itself. Yes I did. I switched it from legacy to uefi and vice versa, and it still didn’t boot. I did however change the order and remove some options so maybe that mightve correlated with the problem. No, even with the hard drive removed and the ssd by itself, it now says the same message. Im pretty sure it was set at AHCI



The process is POST, then BIOS Boot Manager leading to Boot Loader.

The BIOS BOOT MANAGER points to a boot loader, and that needs to be the SSD, assuming it has a boot loader there-in.


LEN Boot Order.jpgBoot Man x 5.jpg


As you can see there is a UMIS NVMe and an ST HDD in my listings.


You need the SSD in that listing as @JOcean states.


Either by repairing with something like BCD or Hirens Boot Cd or installing with no HDD present, and then rebooting to prove it is estalished.

Then remove the HDD entry.

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