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CPU clock speed very low

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Posted · Original PosterOP

I had been using a Ryzen 5 3600 for the past 4 months and it had been perfectly fine. However recently the clock speed for some of the cores are capped at 533MHz or 1600MHz. Causing my gaming FPS to be extremely low(30FPS). But after I restart my PC it goes back to normal with all cores at 3600 MHz. I am also sure my CPU is not thermal throttling as I had checked the temperatures. Does anyone have any idea why this is happening? How do I solve this problem?CPU.PNG.d7ff88ec77a9d23dc355d591a5f93442.PNG

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Had this on my 3700X. Disable any fast-boot features in windows and BIOS and it'll be fixed.

CPU: AMD Ryzen 7 3700X - Motherboard: MSI B450 Tomahawk Max - GPU: Asus GTX 1080 Ti - RAM: 16 GB Crucial Ballistix 3600MHz cl16 - PSU: Corsair RMx 650W - Storage: 500 GB Samsung Evo 850 2,5" + 2 TB Samsung Evo 860 M.2 - Cooling: Noctua NH-D15 (CPU) + Raijintek Morpheus II (GPU) - Case: CoolerMaster Mastercase H500 - Fans: Noctua 2x NF-A20 (Front), 1x NF-A14 (Top back), 1x NF-F12 (Back), 2x NF-A12x15 (GPU) - Soundcard: Asus Xonar Essence STX II - Fan Controller: Corsair Commander Pro - OS: Windows 10 Pro - Monitor: AOC AG352UCG6 Secondary Monitor: AOC 24G2 HDR-Gaming-TV: LG C9 OLED 55" - Mouse: Corsair Dark Core RGB Pro SE Wireless - Keyboard: Corsair K63 Wireless + Lapboard - Headphones: Beyerdynamic DT990 Edition 600 Ohm - Microphone: Antlion ModMic

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Check if you are using a DisplayPort cable.  The 20th pin issue can cause problems like this.  My issue however was the CPU was overheating cos the DP cable bug made my motherboard see my CPU as -55c, and won't work my AIO pump as a result.  Unplugging and plugging my DP cable solved the issue.


When there is no danger of failure there is no pleasure in success.

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