Cpu upgrade not working!! Bios upgraded from dell site

I have a Dell Dimension E520 it had the Blue Crash Screen, I replaced hard drive, memory and got a CPU upgrade Intel E6300 at 2.8 upgraded bios from dell and when I put in the new processor it just sits there. I can put in the old E6300 1.86 works find until it crashes again. Any thoughts?????
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  1. whats the BSOD code?
    are you sure its the same socket? since an E6300 is at 1.8 but the other is at 2.8 which makes no since.
    update graphics card drivers.

    other than that, head to DELL FORUMS and tehy SHOULD help you.
  2. Your motherboard might not support 45 nm CPUs like the e6300.
  3. http://en.community.dell.com/forums/p/19303352/19585257.aspx
    Dimension E520 cpu upgrade
    08 Nov 2009 12:57PM
    can I upgrade my dell dimension e520 with a pentium d 805 2.66 ghz to a intel dual core e5400 2.7ghz wolfdale 45nm processor

    I read on the internet that the 45nm processors are not supported but on the dell chat the person was trying to sell me a wolfdale. I thought I should go for a 2nd opinion.

    what processor would you suggest if the 5400 is not compatible?

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    Points 360,222Re: Dimension E520 cpu upgrade
    08 Nov 2009 03:06PM

    No, the Pentium Dual-core e5400 2.7ghz Wolfdale 45nm processor is not supported.

    Reading the discussions HERE and HERE should help with upgrading the e520 processor.

    Only 65 nm processors with 800 or 1066 mhz FSB will work with the E-520.

    Before installing the processor, check that you have BIOS version 2.2.1 [or higher], when additional CPU support was added.

  4. No, he's correct in a way.

    There's the:
    Pentium Processor E6300 (2M Cache, 2.80 GHz, 1066 MHz FSB)

    and there's the:
    Core 2 Duo Processor E6300 (2M Cache, 1.86 GHz, 1066 MHz FSB)

    They both are Socket LGA 775's, so that's not the issue.

    There's a black hole worth of things he probably did wrong, but we have no idea until he gives us more details.

    Edit: Nevermind, http://www.digital-daily.com/motherboard/core2duo-roundup-update/

    As we already stated, almost every new review starts with a mention of Intel Core 2 Duo processors. That is understandable because the release of Intel's new architecture is a mini revolution that brings CPU over to a new level of performance and power consumption. It's just these specifications that resulted in that almost all the PC enthusiasts somehow or other are planning for migration to a new platform (or have already migrated to it). Therefore, an important issue of choosing the right motherboard aimed at Core 2 Duo comes up. It should be noted that all the motherboards of the previous generation are incompatible to new processors (although they are of LGA775 Socket). And it is neither the developers nor chipsets that are to blame for this situation, but it is a result of the fact that the motherboards were developed before receiving the Core 2 Duo specifications. Therefore, the power supply module of these chipsets does not allow using Conroe processors (a module meeting the VRM 11 specification requirements is required). In other words, all the previous motherboards based on i975X and NVIDIA nForce4 SLI Intel Edition chipsets, however good they are, are being sent to the garbage heap of computer history. And we (users) start choosing new motherboards.
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