I recently installed a new IO Crest 4 Port PCIe SATA III expansion card, because I was out of sata slots, and hooked up an older 100gig SSD I had as a third storage drive.

Installation went OK, I was able to quick format the new SSD, and I can use it. However, now every time I boot up I get 'bootmgr is missing, press ctrl-alt-delete to reboot'. If I go into the bios before I get this message and exit without making any changes, the pc boots up fine. I've removed the new ssd drive in the boot sequence in the bios also. Any ideas?

  • Does your BIOS have any options about ensuring add-on cards are enabled all the time? does your expansion card have any configuration screen? E.g. some RAID cards have their own BIOS to configure RAID configurations. – Kinnectus Nov 8 '18 at 14:28
  • What make and model motherboard do you have? – Layne Bernardo Nov 8 '18 at 14:30

Check your boot sequence in BIOS. Chage it to the drive on which the operating systrm is installed

  • The user has stated that they do not have to make any changes to the BIOS/boot order for the add-on card to allow the computer to boot. I.e. the user doesn't need to change boot order for the drive to be identified and booted from. – Kinnectus Nov 8 '18 at 14:27

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