I just fixed this issue by reinstalling my chipset drivers. You can try that and see if it fixes it. Answer from Zetsua_ on reddit.com
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ cpus
[SOLVED] - Ryzen Master not showing any readings... | Tom's Hardware Forum
January 9, 2020 - It dosn't really impact negatively your PC other than that 2 little lines under PPT, TDC, EDC.... Clear CMOS and then OC the CPU with Ryzen Master might solve this glitch. ... It seems that some times the problem comes when the CPU is overclocked through BIOS and not through Ryzen Master.
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Reddit
reddit.com โ€บ r/amdhelp โ€บ adrenaline/ryzen master not displaying cpu temps, but hwinfo does
r/AMDHelp on Reddit: Adrenaline/Ryzen Master not displaying CPU temps, but HWiNFO does
October 23, 2023 - Came back from a weekend vacation and CPU stats are no longer displayed on Adrenaline or Ryzen Master, both of which are current drivers and versions. HWiNFO is displaying everything as normal. Has anyone else encountered this? ... Recently upgraded to a Ryzen 9 9950X from a 5900X and the temps I'm ...
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Reddit
reddit.com โ€บ r/amdhelp โ€บ ryzen 5600x (ryzen master bug/ temperature & clock speed not shown in few software)
r/AMDHelp on Reddit: RYZEN 5600X (RYZEN MASTER BUG/ TEMPERATURE & CLOCK SPEED NOT SHOWN IN FEW SOFTWARE)
November 8, 2020 -

If anyone got solution to the same problem i face

Current issue i face:

  1. Ryzen master did not show current clock speed

  2. Ryzen master core section is grey out (not available to view or do anything with it), with this problem can't overclock at all using ryzen master

  3. Temperature & clock speed was not able to display at nzxt cam, 3d mark & riva tuner. Was able to get the reading from HWINFO. Not sure whats the issue was

Already try

  1. Update mobo to latest BIOS

  2. Reinstall amd driver & ryzen master still wasnt able to solve

PC Specs:

- RYZEN 5 5600X

-ASROCK B550M STEEL LEGEND

- ZOTAC RTX 3080 TRINITY OC

- EK 240 AIO

- AORUS RAM 3600 CL18 (2X8)

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Reddit
reddit.com โ€บ r/amdhelp โ€บ no temperature or ppt reading in ryzen master?
r/AMDHelp on Reddit: No Temperature or PPT reading in Ryzen Master?
June 4, 2022 - Troubleshooting: Tried reinstalling the app as well as rebooting, and also reset CMOS to defaults. Not sure what else to try. HWMonitor can read the temperature values just fine.
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Linus Tech Tips
linustechtips.com โ€บ computer hardware โ€บ cpus, motherboards, and memory
Ryzen Master shows wrong temps? - CPUs, Motherboards, and Memory - Linus Tech Tips
May 17, 2020 - I noticed that Ryzen Master shows the idle temps for my 3600 in the mid 30C range, whereas according to other tools such as HWMonitor, my CPU idles at 40-50 degrees Celcius. Which tool is correct?
Find elsewhere
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Steam Community
steamcommunity.com โ€บ discussions โ€บ forum โ€บ 11 โ€บ 4362376160461116809
CPU Temp not showing :: Hardware and Operating Systems
April 5, 2024 - ... Install latest AMD Ryzen Chipset Drivers; as this is often required for apps to be able to accurately see/find various sensors. Make sure Ryzen Master is the latest as well. Last edited by Bad ๐Ÿ’€ Motha; May 4, 2024 @ 7:13pm ...
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Reddit
reddit.com โ€บ r/amdhelp โ€บ amd overlay and ryzen master says cpu is 0 degrees, and other strange readings
r/AMDHelp on Reddit: AMD Overlay and Ryzen Master says CPU is 0 degrees, and other strange readings
November 3, 2023 -

I noticed while gaming, I checked my CPU temp with AMD overlay, says 0.00 C which is obviously incorrect. GPU temp shows fine there. Ryzen master also says the same thing, but it also has some really strange readings on PPT, TDC and EDA voltages, which you can see here: https://imgur.com/fT3F4lg

Not sure how this happened. A while ago, I went into bios and simply did an all-core curve optimizer of -15. I did this to reduce the temperature my CPU runs at, which helped by 5-10 degrees C. No issues back then and it read the socket values fine.

I'm not sure how to proceed. Hopefully nothing is wrong with my CPU, CPU-Z seems to report the temp correctly. Here is a CPU-Z validation link to my specs: https://valid.x86.fr/9l1591

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eTeknix
eteknix.com โ€บ home โ€บ news
AMD Ryzen Master Software Update Fixes CPU Temperature Issues - eTeknix
April 7, 2017 - The latest update version 1.0.1 for AMD Ryzen Master overclocking software is finally going to start reporting the AMD Ryzen CPU temperatures more realistically than previous versions. Many users were annoyed that they were getting 60C to 70C degrees idle on their Ryzen 7 1800X, 1700X and 1700 CPUs but it turns out, the temperature was not being reported correctly due to the fact that it is using tCTL offset temperature for fan policy to get the temperature reading which is usually 20C degrees greater than true junction temp.
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ cpus
Question - Different CPU temperatures shown in BIOS compared to Ryzen Master & AIDA64 ? | Tom's Hardware Forum
August 25, 2024 - Click to expand... Yes at 95c that CPU heat throttles a lot, it works best at about 60c package temp. If temps readings are right and they probably are , something is really bad with your cooling. At idle and BIOS it shouldn't be over35-40c depending on room/environment temps.
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AIDA64 Discussion Forum
forums.aida64.com โ€บ bug reports
Inconsistent temps between Ryzen Master and Aida64 - Bug reports - AIDA64 Discussion Forum
April 11, 2021 - hi - I have noticed this odd discrepancy between Ryzen Master and Aida64 in reporting the correct temps under load. When the CPU is idle and the temps are low, they are very close and nearly similar. However, when I run a CPU stress test on Cinebench or any other software, Ryzen Master is always ...
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Linus Tech Tips
linustechtips.com โ€บ computer hardware โ€บ cpus, motherboards, and memory
NXZT CAM and Ryzen Master showing different temps? - CPUs, Motherboards, and Memory - Linus Tech Tips
February 9, 2021 - Hi. On my Ryzen 5 3600, for some reason, temperatures show different values. (No, I didn't have them running at the same time). While Ryzen Master shows around 35-40 degrees idle, NZXT CAM reports 50, and even 60 degrees idle. Also, RM shows below 1000mhz clock when the CPU is idle, while NZXT CA...
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Corsair Community
forum.corsair.com โ€บ forums โ€บ legacy topics โ€บ corsair product discussion โ€บ icue software
iCUE showing a drastically different temperature to ryzen master (2700x) - iCUE Software - Corsair Community
August 7, 2018 - Im trying to set up fan profiles using my 2 commander pro's, but the cpu temp is way off, by 50c This is making it so i cannot make a fan profile and all 11 of my ML RGB fans are roaring 24/7. I think that the problem is with how the temperature is read with the 2700x https://i.imgur.com/wiHlIgX.png
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Tom's Hardware Forum
forums.tomshardware.com โ€บ home โ€บ software โ€บ apps and software
[SOLVED] - anyone notice Ryzen Master temps are lower than other monitors? | Tom's Hardware Forum
July 17, 2020 - So all these monitors report temps at say 53c, while Ryzen Master reports them at 43c. And its consistent across the board. If I have them open at the same time I can see the difference in real time. In the thousands of threads related to temp issues, where people are freeking out if their ryzen cpu is overheating people always recommend RM is the most accurate way to monitor ryzen temps.