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I5 on Asus mboard - not POSTing

Last response: in CPUs
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December 20, 2009 8:59:36 AM

I've just fitted a new core i5 (socket LGA 1156) to a new asus P7P55D with a zalman heatsink; with or without RAM/VGA and disks the machine doesn't POST and the CPU_LED light remains steadily on, suggesting that the CPU is not recognised. The fans spin up but there is no sound from the speaker and (when the gfx card is connected) nothing on the display; however I don't have a second speaker to test that it is working and connected properly.

Any ideas on a course of action, is the processor or mboard dead on arrival?

More about : asus mboard posting

a c 172 à CPUs
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December 20, 2009 10:29:15 AM

You need RAM, CPU, and video card to successfully POST (the single short beep usually). You do not need drives or keyboard and mouse.

Our standard checklist and troubleshooting thread:
http://www.tomshardware.com/forum/261145-31-read-postin...
December 20, 2009 10:49:59 AM

Nice guide, I'm now having a read through and check, thanks.

Will update soon, hopefully with "eureka!" results :) 
December 20, 2009 1:35:20 PM

Eureka! Thanks for pointing me at the guide (and thanks to the authors) :D 
!