I just finished building and putting together my computer, i ran into many obstacles but i got through them then now here i am, stuck on this error that says:
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"Reboot and Select proper Boot device
or Insert Boot MEDIA in selected Boot device and press a key"
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when i turn on my computer, preparing to re-download Windows XP 32BIT on my old Sa300gb HDD. I confirmed in the BIOS that my HDD was recognized, but i don't see my CD/DVD drive on the boot sequence list..

Here are some info that might help?
Motherboard: Asus P8P67-M PRO
CPU: Intel core i5-2500k LGA1155 PROCESSOR

and both my Harddrives and CD drives use SATA cables to connect to the motherboard

So any ideas? Hi Magicflier

That error means that your computer's BIOS can't find any drive which contains bootable media.

I would suggest plugging your optical drive into a different SATA port on your motherboard then check to see if the BIOS recognizes it. If this doesn't work then try using a different power connector and SATA cable. If none of this works at least we will KNOW that its not a bad SATA port or cable that is causing the problem.
Actually a bad port seems to be the case so thank you for the help!