I removed a couple HDDs from my computer (not the O.S. drive) and now my PC says "select boot device" when I try to start

KloeS

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The description above says most of it. I have 6 drives in my rig. 1 SSD which I'm using for my O.S. and programs, 2 HDDs for gaming and Media, and 3 HDDs for backups. The three back-ups where once external drives (Seagate). They couldn't be read by windows inside of the case without reformatting them. So I've taken two of them out and swapped them with two other HDDs as part of a data recovery strategy. However, when I try to turn my computer on now it keeps telling me to "reboot and select proper boot device or insert media..." My O.S./boot drive is still in there, and all my connected devices are detected. My boot order is also okay (though I should note that all the UEFI versions of things are coming first in the boot order). I switched the UEFI with the regular version in the boot order and it didn't work. I'm sorry for rambling... I hope someone will offer a solution, or at least a theory as to what is going on.

Thanks
 
Solution
Just run startup repair 3 to 5 times, it will eventually realize whats missing and fix it or you can run easybcd which can also fix it on one click.

KloeS

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I did install windows with all of the other drives present. I just put in one of the two drives I took out and it booted up fine (so far). How do I go about fixing this issue?
 

KloeS

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I see. Do you have any suggestions as to what software I should use for the backup. I haven't actually gotten around to setting up my backup drive just yet :p
 

KloeS

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Is it possible to boot into windows without the other drives. Just my SSD, and my Windows 10 disc, and just repair the missing data?
 

KloeS

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startup repair? is that in Windows? am I supposed to do that with the other drives disconnected?

According to Windows startup repair is a tool in Window's system recovery options to repair issues with starting up windows. Enabling will restart your computer, and the program can either run automatically off of the device's data, or be run off a disc. Does that mean that I should be able to recover the missing files if I start up my PC with just the O.S. drive and the disc?
 

KloeS

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I booted my PC up with just my O.S. and optical drive connected, with the Windows 10 disc inside. It automatically went to the disc to reinstall, but I choose repair, then advanced options, start-up repair, and now it boots perfectly without anything other than my O.S. drive installed. Thanks for the help. If you are having the same problem and this solution isn't helpful, you may have to reinstall the O.S. completely (after backing-up your data), and make sure you only have the drive you want Windows installed on connected when you do.