ASUS M5A99x evo r2.0 vga led lights up

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prajeeshkumar

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Sep 16, 2014
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just installd a used mb wit amd fx 6300 and radeon hd 5750 graphics...smemtes it boots up..smemtes vga led lights up on board..graphic card is working as I have tried it on anodr board.i cant see ny post on screen.1 long beep and 3 short beeps sound comes. when I clear bios by remving battery it loads to American megatrends screen...from there I can go to uefi bios...once I savebios and restart then again the problem comes...ie. vga led lights up and beep sound...ram n cpu r ok..
I use gigabyte superb e620 smps
mb- asus m5a99x evo r2.0
ram sniper 1600 4gb
500gb sata hdd
antech vsk-4000b cabinet

I am worried if its mb prblm or not..if its a mb rprblm display would be totally dead
please help me out
 
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cin19

cin19

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Mar 14, 2011
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1) Check the BIOS version, http://www.youtube.com/watch?v=xkPUTCjvf_0 if it is not the newer one try to update it. Also the AMD chipset driver too. http://support.amd.com/en-us/download/chipset?os=Windows%208%20-%2032

2) Because you got the 2nd-hand MB, the problem may be from MB, RAM or PSU, 1 long beep and 3 short beeps usually is GPU or RAM error.
For test the RAM, run the MemTest86 http://www.memtest86.com/download.htm
For GPU or PSU, because you know the 5750 works, so try the lower end GPU to test the PSU ( gigabyte superb e620 smps) , because the 5750 need 1x 6pin pcie connector, I guess it can't power the HD5750.

So if the RAM is fine, and you can boot the PC with lower end card, the problem is the PSU, if you can't solve the problem even use the lower end card, the problem may from the MB.
 
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prajeeshkumar

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Sep 16, 2014
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Well my smps is new...old smps was zebronics 450...so no chance of smps fault...i hav tried wit my old graphic card witch requires no extra power...stil d same ting happns...vga led lights up and beep sound....
 
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Benjaminpal

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Oct 17, 2014
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Hello

I repair and build computers for 10 years now. I have tried to build a configuration with a AMD FX6300 Black CPU and also the Asus M5A99X EVO R2.0 motherboard with kingston memory and an Gigabyte R7 260X OC Graf.
I have the same result as you (al these components are brand new).
I have replaced every component you can imagine (CPU ,Graf.,motherboard,memory,power suply ,case etc....) and watherver I try I can't get this thing to work.On some grafic cards with an active cooling the cooling fans even doesn't start to run and with an other card they do run. The same grafic cards in my own computer runs fine.

I have searched the internet for solutions but I cant find a solution. The only thing I can think of is incompatibility but with so many diferent components I find it very weird.
 
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prajeeshkumar

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Sep 16, 2014
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I had given to asus service center...dey say it happens due to processor overheating...nw my system is running fine..dont no what happend...buy when i restart my system vga goes off...no post....then i hav to force shutdown and turn on ...
what could be the problem??? I feel so weird with this issue!!
 
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Gregory6

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Dec 10, 2015
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So I had a similar issue. Tone long beep and three short, I had just moved my components to a new case, specs largely the same as the others listed here, r9280x, fx9370, 850w psu. I had a couple of issues transfering and right when I got everything perfect, and it was working, I replaced some of the silver screws with the black ones that came with the case. Then this problem occurred. All I had to do was put back the good old silver tech screw on my graphics card and hey presto. Working computer. Very strange
 
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