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Help with CPU realted issue.

KokoKaraWatashiNoRrama
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I am using a dell Inspiron 15 3251 laptop and experiencing some lag recently while doing simple tasks like playing YouTube video( video itself plays normally but the player interface is somewhat unresponsive). Also, while doing these the CPU usage not much(30-40%) but i am experiencing a kind of lag that i would get on 80% CPU usage. And, Minecraft which was running at 30-35 fps suddenly decides to run at 0-5fps.

i collected some data from monitoring software and based on it the issue might be related with CPU. The Intel i3-3217U is rated 1.80Ghz but in the hwmonitor the max clock speed shows798 MHz and it is kind of locked at that(doesn't decrease or fluctuate). Task manager shows the same clock speed. Moreover, the task manager shows different CPU usage(30-40%) than the hwmonitor (high usage 80-100%) while doing normal tasks. The cpuid also only shows 798 MHz. Somehow the CPU clock is being decreased and set to a constant speed that is half of original speed??

On top of these issues, the hwinfo app tells that integrated GPU not using physical PCIe bus or currently disabled because other GPU is enabled.

Also, I performedbenchmark test but the whole time i didn't the CPU usage rise up as it should(it didn't even reach 40%).

I installed throttlestop but didn't actually touch anything. I also did the balanced power plan setting and it was already 100% minimum is 5%.

I am really lost and don't know what I should do it.

Please help!!

Specs:

CPU: Intel i3-3217U @ 1.8 GHz

Ram: 16 GB ddr3 1600 MHz (2x8gb)

GPU: Intel HD 4000

storage: Crucial ssd 500gb SATA 2.5 in

data collected: https://imgur.com/LkGI1Al

https://imgur.com/NC4Dq6u

https://imgur.com/aMls1wx

https://imgur.com/ygtAxYL

https://imgur.com/fcpCuU3

https://imgur.com/7DWssXG

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https://linustechtips.com/topic/1379721-help-with-cpu-realted-issue/
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This really seems like a power delivery problem. Check the power settings again. I dont know if this CPU only takes this much but damn, 6 watts is not a lot. 

Have you tried programs like Cinebench to see what your CPU does when it's pushed to its max ?

Maybe try to re-install the drivers on Dells website (I didnt find your specific model but if you can, update them).

 

Wait for other replies but one last thing you can try is always to update your bios.

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Throttlestop is telling you BD PROCHOT is triggered and causing the throttle. Check the charger and battery if they run excessively hot, otherwise just uncheck BD PROCHOT from throttlestop.

 

35 minutes ago, KokoKaraWatashiNoRrama said:

Moreover, the task manager shows different CPU usage(30-40%) than the hwmonitor (high usage 80-100%) while doing normal tasks.

Task Manager has a weird behavior of taking base clock as reference for usage when clock speed is below that. 1.8*0.35/0.8 = 0.7875, roughly inline with what you're seeing.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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image.png.2ccbe6160fa91d67a9ae466c7c37c4de.png

 

BD PROCHOT throttling is triggered by a sensor external to the CPU. Your CPU is fine. It is not overheating. These external sensors fail all of the time.

 

As @Jurrunio said, clear the BD PROCHOT check box. This should immediately fix this throttling problem.

 

Run something simple like a TS Bench - 1 Thread test and see what speed ThrottleStop reports. Post a screenshot while this benchmark test is in progress.

 

Edit - On Dell laptops from this era, BD PROCHOT throttling is often times triggered by the power adapter. It is not worth replacing your power adapter if it is still able to charge your battery. It is usually just a bad sensor. Dell used to include these sensors to force users to only use a genuine OEM Dell power adapter. Almost all of the time, it is either a bad sensor or you are not using a Dell power adapter.

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2 hours ago, Hamster Homie said:

This really seems like a power delivery problem. Check the power settings again. I dont know if this CPU only takes this much but damn, 6 watts is not a lot. 

Have you tried programs like Cinebench to see what your CPU does when it's pushed to its max ?

Maybe try to re-install the drivers on Dells website (I didnt find your specific model but if you can, update them).

 

Wait for other replies but one last thing you can try is always to update your bios.

Thanks for your reply.

I tried a passmark software test and surprisingly the cpu usage is around 35-35% which is i guess pretty low because benchmark test should have very usage i think.

I tried dell official website and installed a graphic driver update.

Also, i tried searching the internet but didn't find a suitable way for updating bios.

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1 hour ago, Jurrunio said:

Throttlestop is telling you BD PROCHOT is triggered and causing the throttle. Check the charger and battery if they run excessively hot, otherwise just uncheck BD PROCHOT from throttlestop.

 

Task Manager has a weird behavior of taking base clock as reference for usage when clock speed is below that. 1.8*0.35/0.8 = 0.7875, roughly inline with what you're seeing.

Thank you for your reply.

I don't use battery and haven't used it since 2018 because it died. My laptop runs on ac power.

I will try out what you suggested. I feel like it will work. Thank you.

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1 hour ago, unclewebb said:

image.png.2ccbe6160fa91d67a9ae466c7c37c4de.png

 

BD PROCHOT throttling is triggered by a sensor external to the CPU. Your CPU is fine. It is not overheating. These external sensors fail all of the time.

 

As @Jurrunio said, clear the BD PROCHOT check box. This should immediately fix this throttling problem.

 

Run something simple like a TS Bench - 1 Thread test and see what speed ThrottleStop reports. Post a screenshot while this benchmark test is in progress.

 

Edit - On Dell laptops from this era, BD PROCHOT throttling is often times triggered by the power adapter. It is not worth replacing your power adapter if it is still able to charge your battery. It is usually just a bad sensor. Dell used to include these sensors to force users to only use a genuine OEM Dell power adapter. Almost all of the time, it is either a bad sensor or you are not using a Dell power adapter.

Thank you for your reply.

I forgot to mention i use my laptop on ac power since my battery died about 2 years ago.

I will try out what you suggested but should i tun benchmark after unchecking BD PROCHOT or before.

Also, will the faulty sensor cause any other problems in my laptop?

I will give an screenshot update as soon as i can.

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Thank you everyone for your support. My clock speed now reaches 1780/90 MHz after applying the solution.

These are the readings currently:

https://imgur.com/7fVPZjWhttps://imgur.com/7fVPZjWhttps://imgur.com/7fVPZjWhttps://imgur.com/7fVPZjWhttps://imgur.com/7fVPZjWhttps://imgur.com/7fVPZjW

https://imgur.com/yMtgYOnhttps://imgur.com/yMtgYOn

https://imgur.com/zxDKVAv

Is there anything else wrong with these reading like the voltage or watt?

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