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You have to set it back to UEFI mode. Your disk is a GPT disk, &amp; Windows can only boot from a GPT disk with UEFI on.<br><br>Maybe you have to enable your Display Port in the BIOS. Else check your Display, you may have to turn on the Display Port manually there (not Auto).
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Visual Designer & Video Editor 

Jazz Marie Kaur

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the displayport &nbsp;problem has been solved - i held the power button for 20 sec &nbsp;- and that's it<br>now if i can get it to boot again - it would save me 1/2 day's work
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Then you have to return to UEFI mode...
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Then make sure the Boot order is set correctly. Maybe first use F12 to get the one-time boot menu &amp; see whether your UEFI SSD comes first &amp; whether it boots correctly. If not, go into the BIOS &amp; under General look at the Boot sequence there. Is the Windows Boot Manager listed there (This might have a different name, but probably it is similar). Make sure that is on the top of the boot order. Under Boot List Option you should also make sure UEFI is enabled, &amp; if you can't see the Windows Boot Manager in the list, you can Add it via Add Boot Option. You would then navigate to your small EFI partitions, where you should find the EFI file required. Under Advanced Boot Options you can also uncheck "Enable Legacy Option ROMs".<br><br>It might be a little different in your BIOS, I'm using a T3500 Dell Precision which probably looks similar though.
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ok i post screenshots with my settings it does not see the boot manager?? and no UEFI boot option ?<br>drives seen :<br><a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569966/drives.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569966/drives.jpg" style="width: 430px;" class="fr-fic fr-dib"></a><br>boot order (legacy) -uefi does not show that<br><a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569967/boot-order.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569967/boot-order.jpg" class="fr-fic fr-dib" style="width: 445px;"></a>boot menu<br><a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569968/boot-menu.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569968/boot-menu.jpg" class="fr-fic fr-dib" style="width: 350px;"></a>uefi mode set<a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569969/uefi.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569969/uefi.jpg" class="fr-fic fr-dib" style="width: 305px;"></a>all i can add - before it had the boot manager and uefi boot in the one time boot menu
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uefi.jpg

boot-order.jpg

drives.jpg

boot-menu.jpg

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In your 2nd Image, when it is set to UEFI in the Boot List Option, what is shown under Boot Sequence?
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Then click on "Add Boot Option", Search for your EFI Folder, Enter that directory, &amp; you'll probably see something like Microsoft. Open that, then Boot, &amp; then you should see at least one *.efi file file. select that, Give the new Boot Option a Name, &amp; then it should show up in the list...
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it says Boot name not found when i do that<br>can that be caused because of the fact that at a moment &nbsp;- in the bios - i selected deault settigns ?<br>i can add &nbsp;that this disk boots ok from another motherboard
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i found 2 files in add boot option<br>-BootMGFW.efi<br>-Bootmgr.efi &lt;==== i selected this one, but the none booted (even if i selected the other one )<br>i feel i'm doing something wrong here - can you detail a bit more Rindi ?<br>i gave it a boot option name, and selected the filename -&nbsp; is that ok ?
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BIOS-2.jpg

BIOS-1.jpg

nobus

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the section boot sequence is missing on my pc<br>during entering the info i found also the keyboard was reset to QWERTY - should be AZERTY<br><br>
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Maybe it is missing because it hasn't been configured yet. Try adding the EFI file again. Besides that, as you can see from my pictures, I have several Linux versions from which I boot, besides Windoze. Possibly you are only shown the boot order when you have setup more than one EFI files to boot from. If there is only one, you don't need and order. Since you have two disks in your system, I'd also remove the HD which you aren't booting from, as otherwise it can confuse things. Once it boot, add it back again. Also make sure you select the bootmgfw.efi file (like in my picture), as that one works on my system.<br><br>I don't know any BIOS where the Keyboard layout is set, normally it uses US ASCII layout. It is set later from within the OS.
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yes - now it shows - there are no 2 disks - only one<br>i know why it showed QWERTY - i choose NL as language, which is correct, but i need belgian point for keyboard<br><br>right now i choose en-uk and it booted - without selecting language<br>see my settings :<a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1570077/bon.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1570077/bon.jpg" class="fr-fic fr-dib" style="width: 605px;"></a>
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bon.jpg

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Rindi - many thanks<br>one of the biggest problems was that when i was in the bios the mouse always jumped to the screen edges; up, and down and left to right. BUT eventually i made it<br>jumpy mouse also disappeared when it booted up !<br><br>i suppose you choose the boot option you want from the F12 boot menu, and it boots from the first in the list yes?
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I only choose F12 when I need another than the default option. Otherwise it boots from the one at the top of the list (you can change the top option by selecting the one you want to boot from, then using the up arrow to move it to the top.<br><br>The mouse in the BIOS is such a thing often it only works on one vertical line, so most of the time I only use the keyboard to navigate.
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i had to do that also but it was far from easy<br>i use Tab + arrows, but how to get in menu and submenu's is very difficult - do you use other keys?<br><br>you said "Otherwise it boots from the one at the top of the list" &nbsp;does that mean IF it cannotboot from the top one - it does not boot from a lower one?<br>i have 3 entries now windows Boot manager, and one named &nbsp;the same + EN, and one + FR &nbsp;to distingate<br>if the above is correct -&nbsp; i could delete the 2 lower ones ?<br><br>
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I also use the tabs &amp; arrows.<br><br>I haven't tested all the booting sequences. Usually there is nor reason that the first entry doesn't work, so it just boots from it. But you can also include USB UEFI boot disks, &amp; if one of it's EFI files is the first in the List, it will boot first. If you remove the Disk from the system, the file can't be found &amp; the next entry is used to boot from. So I think the boot order here is only relevant if the EFI files are on separate disks &amp; you can remove them.<br><br>Yes, you can remove the bottom entries as they are in the boot manager. But the Windoze 10 boot manager, if you select another entry, it reboots again and then it starts that other entry (the Windoze 7 Boot Manager didn't reboot, it booted the other entry immediately). So the overall Boot time can take longer if you use the boot manager of Windoze 10. If you use the BIOS entry it should be faster.
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when in the bios - if i want to delete a boot entry from the boot sequence&nbsp; - if i use the delete button - does it always take the top of the list ??&nbsp; i'm just not sure
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I believe it removes the one you have selected (The one with the Blue Background, for Example Windows Boot Manager in my first image).
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i installed win 10 on the pc without problems -using a vga screen.<br>however - when i connect the dell P2210 with displayport - the displayport on the screen shows disabled as you can see &nbsp;- can i turn it &nbsp;to enabled? how?<br><a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569888/IMG-1552.JPG" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569888/IMG-1552.JPG" class="fr-fic fr-dib"></a>and the pc itself booted fine, but while searching for the display - i set the bios to Legacy to check if it helped.<br>alas it now does not boot anymore - "no bootable drives found"<br>the drive is seen in the bios, and on the net they suggested to disable secure boot - but that cannot be found in the bios either look what i see<br><a href="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569889/IMG-1553.JPG" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2021/08_w34/1569889/IMG-1553.JPG" class="fr-fic fr-dib"></a><br>
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IMG-1552.JPG

IMG-1553.JPG


i installed win 10 on the pc without problems -using a vga screen.
however - when i connect the dell P2210 with displayport - the displayport on the screen shows disabled as you can see  - can i turn it  to enabled? how?
and the pc itself booted fine, but while searching for the display - i set the bios to Legacy to check if it helped.
alas it now does not boot anymore - "no bootable drives found"
the drive is seen in the bios, and on the net they suggested to disable secure boot - but that cannot be found in the bios either look what i see

dell 790 USFF bios + video problem

Windows 10 is a personal computer operating system featuring the "universal application architecture" (UAP); apps can be designed to run across multiple devices with nearly identical code, including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and HoloLens. Windows 10 also includes a virtual desktop system, a window and desktop management feature called Task View, the Microsoft Edge web browser, support for fingerprint and face recognition login, voice-based search (Cortana), new security features for enterprise environments, and DirectX 12 and WDDM 2.0 to improve the operating system's graphics capabilities for games.

Windows 10

BIOS

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