Can’t boot from SSD after connecting new graphics card

opersson10

Prominent
Dec 26, 2017
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I recently bought a new graphics card from a friend, i went from a gtx 760 to a gtx 970 windforce. After disconnecting my old card and connecting the new one I couldn’t boot from my SSD which had the OS on it. I’ve tried looking in the bios and I can only find my other hard drive. Any help would be appreciated
Specs:
Asrock z77m
Gtx 970
Samsung ssd 250 gb (don’t know what series)
Hp hard drive 500 gb (don’t know specifically the name)
650w psu
Windows 10
Intel i5-3570k
16gb ram