Problem with Upgrading CPU in Alienware R5

Question

I am trying to upgrade my CPU from the Intel core i3 6100.  To the Intel core i5 8400.  When I put the new chip in and try to start up I get a single yellow/amber flash.  I tried resetting cmos/bios but that did not seem to help.  When I put my old chip back in everything came on fine but the bios had been reset.  Could this be a power supply issue or something else I am missing.  They are the same socket as far as I know I have done this with a few other PC with success but am still new so any help would be awesome.

justair · Accepted Answer

You cannot upgrade that system with a 8000 series processor. It's not compatible.  You 'MUST' have a 300series chipset to use any of the 8x intel processors.  There is no work around.  Sorry :(

davidmoore · Answer

More info on what processor you can use here:https://www.dell.com/community/Alienware-General-Read-Only/Can-I-upgrade-my-processor-in-the-aurora-r5/td-p/5572098

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