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Ryzen 9 3950X - Cold start Running Very Slow.


Hi their.


My Rig has developed a very strange behaviour and I hope that someone can help me resolve it.  


The problem is that from a cold boot (After been powered down for 8 hours or so), when the system gets into windows the CPU is running at a maximum of 0.95 Ghz  as Reported by Windows Task Manager.   And just in using the system it feels like it's that slow too.  But just performing a reboot will immediately resolve the problem and my speeds return to their normal speeds. 3.8 - 4.3 Ghz depending on load.  


To my knowledge nothing new has been installed or uninstalled since this issue began.  


I am Running :-

1) Ryzen 9 3950X

2) ROG CrossHair VIII Hero (Bios Version 1001)

3) ROG 2080 TI

4) 1200 Watt PSU

3) 64Gb GSkill 3600Mhz Ram.


Thank you all in advance for any help or advise.



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Well I have upgraded my Bios to the 1302 version.   And when things are working my boost clocks are higher... 


But I am, still afflicted with the same problem as before. :( From a cold start my Top speed is no where near what it should be and needs a restart following on from a Cold start to get the speed's that the CPU should be doing.

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