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You have just finished upgrading the 250 w power supply in your desktop computer to a 450 w power supply. now the bios doesn't recognize one of the hard disk drives in the system during post. what should
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You have just finished upgrading the 250 w power supply in your desktop computer to a 450 w power supply. now the bios doesn't recognize one of the hard disk drives in the system during post. what should you do?

User Zwer
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Check to see if the hard disk drive is connected to the new power supply. High chance that you simply forgot to connect it to the new power supply unit after disconnecting it from the old one.

User Ben Hyde
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