Computer won't boot from hdd

I just transfered my computer into a new case and got a new DVD burner. But when I set everything up it booted up and the pc tried booting from the DVD drive. So I disconected the DVD drive and then it said vairifing dmi pool data, no boot device, please insert boot devise and press enter?!??

What's going on?
2 answers Last reply
More about computer boot
  1. Sounds like you interchanged the drive cables. If you had plugged the optical cable into the hard drive, your system would have booted.
  2. What exactly do you mean?
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