Upgrading pc, when I power it on it looks like the power is pulsing on and off with the led's and Fans

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So I recently got an EVGA z170 Stinger, an i5 6400, and 2x4 gigs of Geil Super Luce DDR4 ram to upgrade my old system. I deleted al nvidia drivers (possibly to prevent any compatability errors, dont think it really had any affect) on my hard drive for the gpu (which I am not changing) but could not locate any AMD ones for the CPU (it was an amd A8 5500). After hooking everything up, hard drive included, I powered on the system through a power button on the mobo. Unfortunately, the system, while it looked to be working fine hardware wise, was not sending anything to the monitor. So, having no other option, I held the power button to turn off the system and try and troubleshoot. I unplugged the HDD connections and took out the gpu but when I turned on the pc it would seem to pulse power, not fully turning on and still not sending info to my monitor. I tested the ram and it is not the problem. Unplugging the cpu power connectors on the mobo but leaving the big mobo one in caused steady power to the mobo and ram, not the pulsing effect. What could be causing this and how can I fix it, if I can?
 
Solution
In theroy, you can use that OS on one PC only, but you may try call microsoft during the reactive the win8 to see they will allow you reuse it.
Also I don't know you upgrade to win10 or not, if you don't do it yet, you still can get the free upgrade to win10 with assistive technologies https://www.microsoft.com/en-us/accessibility/windows10upgrade

Recommend to upgrade the win8 to win10 first in your AMD PC, but you need to use the microsoft account. Then try the Windows build 1607 and Activation method first. If you can't, and you will need to buy the new OS. Or if you don't like to use the microsoft account, and may try to reinstall the win8 into the new intel PC, during the reactive, you have to call in microsoft to see they will...
So you upgraded the pc from AMD ( A8 5500) to the intel, right? If you don't do the clean reinstall the OS, you will have the problem like you got now.
But if the AMD pc is the OEM PC, like from HP, Dell, etc. You will get the same problem too.

You need 1) make sure the OS is not from OEM. 2) try use the OS disc to clean reinstall the OS, whatever win7, or win10. 3) If the OS is the win10 with 1607 updated, may try this: Windows build 1607 and Activation http://www.tomshardware.com/forum/id-3164428/windows-build-1607-activation.html
 

Qub

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Jul 7, 2015
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So the PC was a pre built with windows 8, but I had read elsewhere that with win 8 could be reinstalled on a different computer but only installed on 1 pc at a time, is this untrue then? If it is an OEM and I cannot reuse it, then should I wipe the drive and buy a new copy of windows? Thanks for the response btw.
 
In theroy, you can use that OS on one PC only, but you may try call microsoft during the reactive the win8 to see they will allow you reuse it.
Also I don't know you upgrade to win10 or not, if you don't do it yet, you still can get the free upgrade to win10 with assistive technologies https://www.microsoft.com/en-us/accessibility/windows10upgrade

Recommend to upgrade the win8 to win10 first in your AMD PC, but you need to use the microsoft account. Then try the Windows build 1607 and Activation method first. If you can't, and you will need to buy the new OS. Or if you don't like to use the microsoft account, and may try to reinstall the win8 into the new intel PC, during the reactive, you have to call in microsoft to see they will let you reuse the win8 or not, I know someone got lucky.
By the way, if you don't have the win8 key, you may use Belarc Advisor to find the key.
 
Solution

Qub

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Jul 7, 2015
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Thank your for your help, I'll try to get win 10 or get help with the win 8 licence, but I just want to make sure that you know the build isn't posting or even running correctly with or without the HDD, will this be fixed with the Windows issues? Thanks