Question why wont my pc detect my 3rd hard drive

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ragez0r

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Mar 9, 2012
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In the BIOS, go to the menu that shows the System Setup Options.

There will be a option "Drives" that will show what is attached to the SATA ports. It will either show the drive that is attached or the word "AUTO". If it says "Disabled", select them and change to "Enabled" or "Auto"

If the BIOS still doesn't show you the drive, check the connections. Also note the PSU for that model of dell is only 275w MAX so if you have added any additional expansion cards, the system may not have the juice to power it all.
psu is an antec 500watt the only brand that i trust
 

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