ASUS M5A99FX Pro R2.0 CPU_LED ITS RED (PC DONT BOOT)

maaxuy · Nov 1, 2014

I bought:

- Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard
- AMD FX-8350 4.0GHz 8-Core Processor
- G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
- Samsung 840 EVO 250GB 2.5" Solid State Drive
- MSI Radeon R9 270 2GB TWIN FROZR Video Card
- Corsair Builder 430W 80+ Bronze Certified ATX Power Supply
- Cooler Master: HAF 912 Plus Gabinete

Ok, after assembling all, I turned it on, the "CPU_LED" stays RED, the Processor fan dont work, and the PC dont boot..

I tested alot of things.. like, upgrade BIOS via EasyFlash from ASUS, and nothing.. on one occasion the CPU_LED didnt turned red BUT it was time for "DRAM_LED" to start to turn red, when I turn off, and I went back to try, It went back to how it was before and started to turn the "CPU_LED" red.

Here are photos of my set up, maybe something is badly connected or something missing, you can see the red light in the first 3 photos.

http://imgur.com/a/1HdgG#xQSmbJi

Sorry for the inconvenience and already thanks!

PS: English is not my first language, I hope it's not a problem.

cin19 · Nov 1, 2014

after assembling all, I turned it on, the "CPU_LED" stays RED, the Processor fan dont work, and the PC dont boot..

If the cooler fan does not work the PC will not boot, because it prevents overheating the cpu. Make sure the fan works or not just try to use other fan. Or use the cpu_opt fan header.

maaxuy · Nov 1, 2014

I fixed the first problem, the 24 pin contact all the way in.. now the processor is working, and his fan working too. But now i have the second problem i detailed in the post, i dont have any more "CPU_LED" red, but now i got the "DRAM_LED" red light, i tried to use the "mem_ok" button but it doesnt help, when i press the led start blinking for like 30 seconds and then return to stay red.

Maybe i broke something when i flash the MoBo BIOS? i used this: http://www.asus.com/us/Motherboards/M5A99FX_PRO_R20/HelpDesk_Download/ , i checked the 8.1 64 bits (cause im gonna install that) and downloaded the "M5A99FX PRO R2.0 BIOS 2501", renamed to "M5A99FX.CAP", put on a formated USB Flash, stick in the Flash USB port, and then press the "BIOS_Flash" button for 3 seconds and waited until the led stop blinking.
THanks alot!

EDIT:
FIXED !!!!! the ram wasnt all the way in too XD i feel stupid x2, thanks alt!

Jerry Arizona · Nov 12, 2014

EDIT:
FIXED !!!!! the ram wasnt all the way in too XD i feel stupid x2, thanks alt![/quotemsg]

Do not feel stupid. We have all made some kind of mistake during a system build at one time or another. IMHO.

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ASUS M5A99FX Pro R2.0 CPU_LED ITS RED (PC DONT BOOT)

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