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Go to SolutionXPS 8300 Building problems
A friend gave me most of the parts from his XPS 8300, excluding a processor, hard drive and dvd drive. He included a Radeon 7450 card, and 8GB of RAM sticks. I bought an Intel Pentium G2120 Ivy Bridge 3.1 GHz LGA1155 Dual Core processor. I have installed everything into the case, and to the best of my knowledge all the power cords are plugged in properly. I turned on the computer and all the fans started running and the disk drives were powering up, but the USB Mouse, Keyboard, and VGA Monitor aren't putting out any signal. I have a decent knowledge of computer workings, but this is the first time I have built a computer relatively from scratch. Any suggestions on something I might have missed would be appreciated.
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You cannot install an incompatible processor on the motherboard. What model is the MB? Here is the list of compatible motherboards from Intel: processormatch.intel.com/.../SearchResult.aspx
DELL-Chris M
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Posted April 9th, 2013 08:00
algae117,
We never tested the retail Intel Pentium G2120. The XPS 8300 motherboard and Bios are only validated with the following Dell OEM (original equipment manufacturer) CPUs:
706FY SandyBridge i7-2600 Quad Core 3.40GHz
N6TKH SandyBridge i5-2500 Quad Core 3.30GHz
MHF7R SandyBridge i5-2400 Quad Core 3.10GHz
F6KN0 SandyBridge i5-2320 Quad Core 3.00GHz
YXR1F SandyBridge i5-2310 Quad Core 2.90GHz
RGMN8 SandyBridge i5-2300 Quad Core 2.80GHz
950R3 SandyBridge i3-2130 Dual Core 3.40GHz
972H5 SandyBridge i3-2120 Dual Core 3.30GHz
5MH9T SandyBridge i3-2100 Dual Core 3.10GHz
DELL-Chris M (old account)
#IWork4Dell

Kelbear1
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Posted April 6th, 2013 11:00
Did you install all the drivers in the correct order after installing the new operating system on the new hard drive?
However, Dell may never have come out with a bios update to support Ivy Bridge CPUs on the XPS 8300. The XPS 8300 came out with Sandy Bridge CPUs so my guess is that Ivy Bridge CPUs are not supported and will not work. It does not matter if you have the H67 chipset since it is a Dell OEM product if that is what your friend was looking at to confirm.