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I've been building PCs for a long time. I consider myself very knowledgeable when it comes to problems and solutions. Until now.... I recently upgraded from a intel 6700k, MSI 3x Kait Z170, 16gb Adata 2400mhz platform to a Ryzen 2700x, x470 ASUS Strix-f, and the GSkill Trident Z 3200 Rgb. Pair up with my already Asus 1080ti Strix. System runs great. Zero crashes and or problems. Stable OC and XMP is running at its 3200mhz with zero issues. My 2700x and 470x mb is about 2weeks old. The GSkill is about 3 days old. The problem I'm having is when I hook up my Oculus Rift. I put on the headset then the jitters start. Only when looking through the headset. With I mirror the screen on the monitor the tracking is perfect and all the games FPS I can see is running it's butter smooth locked 90fps. Through the headset it's all over the place. When the new system was up and running with the old 2400 memory I had no problems in vr when I tried it. Now the problem is I didn't play much on the new build yet. I reformatted, no luck. I discounted all other usb but all my razers mouse pad, mouse and keyboard. Problem Continues. Now I don't think it's the memory. If that was the case I should see some other problem with some of the 30 games I benchmarked right after all the upgrades. Problem only continues in VR games. One form says it is a possible power supply issues. That it could be as I am sure I was pulling a little less power in my old setup. I still find that hard to believe because no problems what so ever doing anything else. All my games play just great. Now I can make it butter smooth again my flip flopping the nvidia drivers. Till I turn it off and want to play the next day. I done DDU. That works till PC goes off. My power supply is most likely the weakest component in my system. I am using a Corsair 750w bronze 80. It is also powering three 120 white led fans and three 140 white led fans, h100i AIO, two 3tb HD, one 480gb PNY SSD, 2 rgb strips and 1 rgb adjustable strip. So I know I am reaching the end of what this power supply can do. But it works perfectly changing the NVIDIA drivers back and forth. So I dont think its I power supply. If someone knows what this could be please let me know. I seem to know how to get it butter smooth. But its only a temporary fix. Thanks guys!

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The Oculus does pull a lot of watts powering the screen and all... Try disconnecting the casefans and see if that does it? If it does then you are VERY much on the edge of what your power supply can deliver..

 

I would also try running stock speeds on everything and see if that does it - turn off XMP too while you're at it.

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6 hours ago, peredv said:

The Oculus does pull a lot of watts powering the screen and all... Try disconnecting the casefans and see if that does it? If it does then you are VERY much on the edge of what your power supply can deliver..

 

I would also try running stock speeds on everything and see if that does it - turn off XMP too while you're at it.

I was using an OC because the 2700x can draw tons of Volts on it's own XFR2. I seen on auto hitting almost 4.4ghz at 1.55v. So I keep it at a stable 1.4v and at 4.2ghz. I've been an Intel guy forever so yeah I walked into a whole new world when I found out how much these chips love volts! Before I had to head to work I put the CPU back to auto and the memory back to 2100mhz. Didn't open to case yet to discount anything. But it didn't help at all. I dont doubt I am not pushing this little 750w to almost its max. But under HWMonthitor the GPU is hitting it's full TDP and stays stable, 5v, 3.3v, and 12v seem to all be stable never dropping. No blue screens, no shut offs and no errors or crashing. It just does everything. Under oculus setup it reads the 2 cameras and the HMD perfectly. Only when running it goes crazy. If I DDU the GPU drivers and reinstall the drivers the VR headset will work again for hours and hours again. Until I decide to close the Oculus Software and try later. I keep leaning on the drivers but no matter what version of drivers I use it will work until I close and try later. This is what makes me feel clueless. Tonight I will disconnect everything I don't need and try it then to see what happens. Plus I will throw in the old memory as well to see what has happened since that was the last thing I had before it went haywire

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Update. PC is back running just fine. It was power supply issues. A buddy of mine I've been helping over the past couple of years for his build (got my handy downs like 1070 and 4770k) had a over kill 1300 watt EVGA supernova  in his computer that he got from a buddy as well. He told me let's swap it out that he isn't needing that much power in his machine and boom everything is fine and running well. No hiccups and stuttering right all! Thanks for the advice!

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