[Confused]Weird Issue On My System It Just Freezes (B4 Code On Q-Led)

Hello Community

My System Specs Are
Asus Maximus VII Ranger
Intel Core I5 4670K
Corsair 12GB Ram

Logitech G510s Keyboard And G402 Mouse

The issue i have is all of sudden since yesterday it was just freezing randomly and sometimes it just wont boot and Gives the Code b4 on The motherboard LED Panel just becouse of this freezing today i clean install windows 10 but after instalation is complete it was freezing again some times it wont boot no Boot screen nothing and when i check it gives B4 error and even if it boots sometime the keyboard led are not turning on at boot not even its detecting it i am really not sure whats the issue i am not able to use the PC B4 error is related to some USB Plug N Play Device Error
I also tried Clearing the CMOS settings Re flashing the BIOS
 
Solution
Ah now I understand, then yeah there is a slim chance the problem is within the keyboard. Perhaps you could try the keyboard on a different PC? Or you could try a different keyboard on the same USB on which the problem occurs with the logitech keyboard.


No only the keyboard and mouse nothing else Cpu Cooler is powered by the Cpu fan header
even if it boots then after sometimes in windows with in just few seconds like i cant even open my computer it freezes.....
 


i will check that too one more thing when keyboard and mouse led are not working/On and PC is on what i do is try to check the USB ports at back but even just a very little touching the wire the led's are on....
I am on work but i will do some more checking when i get back home lets hope the motherboard or keyboard is not DEAD i have just bought the new CPU cooler as H100i GTX was dead i cant afford another loss
 


yea the problem is still there.. i cant work on windows as i mentioned its clean Install of windows i am not able to use my computer to install the drivers
all of sudden issue in motherboard.. well its under warranty but keyboard is not.. ill check whats the issue will inspect some more thing when i get back home
 


Let me correct few things when PC some times Boot Up but the keyboard is not working and No Led On Keyboard Display Too when i touch the back panel usb wire of keyboard it works but still after few seconds the PC freeze... i am contacting ASus in the meantime will reply and give more info once i get back home
 
Ah now I understand, then yeah there is a slim chance the problem is within the keyboard. Perhaps you could try the keyboard on a different PC? Or you could try a different keyboard on the same USB on which the problem occurs with the logitech keyboard.
 
Solution
Just came home and tested my of without keyboard only mouse its booted up and working fine for last 15 min have installed some softwares too...
Then I plugged in the keyboard as always on USB 3.0 port no led on keyboard and windows shows unknown usb error... Then I plugged it in 2.0 port it works for now everything is working.... I'll post more info in morning going to bed its 2 am here
 


well no currently i have plugged my Keyboard and Mouse in the Front panel of My CM690III The keyboard the mouse is also plugged in USB 3.0 Port but the keyboard acting weirdly it works sometimes it wont if i touch the wire of keyboard it works(Its just random i am also not even sure) and when i plug it in USB 2.0 Port it work no matter ho much i touch the wire it keeps on working i think the keyboard it no more working in USB 3.0 Port its keyboard issue if it was board it should be freezed by now lets see how much life my keyboard have now:)