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NeedsHelpPlease
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Posts: 4
Registered: ‎03-16-2017
Location: CA
Views: 2,265
Message 1 of 5

Lenovo Y700 Amd fx-8800p ** CPU Throttling** even after *DUST CLOTH REMOVED*.

Lenovo IdeaPad Y700-15ACZ

RECAP:

                       So If many of you are not aware. The lenovo Y700 series is known for having a problem on all models. That is that the CPU throttles because a dust filter is blocking the majority of air from coming into the laptop vent system. This causes the cpu is reach very high temperatures. When the cpu is under load, rather than going from core clock speeds 2.1GHZ to turbo clock speeds 3.4GHZ, the cpu is overheating and cannot maintain a 3.4GHZ clock speed, dropping done to low clock speeds like 1.5GHZ to maintain ideal CPU temperatures. In other words, CPU Throttling. This causes gaming to be very frustrating because your FPS will spike up and down randomly.

 

Problem:

                    My problem is that i have removed the dust filter that should be the source of CPU throttling, but running CPU-Z my clock speeds are still going from 3.4GHZ down to lower clock speeds like 2,5GHZ and sometimes 1,5GHZ. Everyone, and everywhere i have checked people have said that the dust filter fixed the cpu throttlings but i might have messed up somewhere else. My laptop for sure feels much cooler than before, and performance is a bit better but still up and down.

 

What i have Done:

                          So this is what i have done to prevent CPU throttling.

  • Plugged in my laptop to AC adapter
  • Updated windows settings
  • reset AMD radeon settings to factory default
  • removed dust filter
  • run bare minimum game settings for overwatch but still problems (1920x1080,low settings)
  • clean drivers install
  • run power options to performance and balanced 
  • turned off power saving
  • ensured laptop environment is ideal temperatures
  • ensured laptop fans are running roaring loud
  • tried preventing turbo clocking, for a stable 2GHZ (worse performance)

 

 SPECS:

Processor
AMD FX-8800P 2.1 GHz
Graphics adapter
AMD Radeon R9 M385X - 2048 MB, Core: 1000 MHz, Memory: 4800 MHz, GDDR5, 15.201.1301.1007, AMD Enduro
Memory 8192 MB 
, DDR3, 1600 MHz, single channel, 1 of 2 slots used, max. 16 GB.
Display 15.6 inch 16:9, 1920x1080 pixel, Samsung SDC3752 (LTN156HL09401), IPS, Full HD, glossy: no Mainboard
AMD KernCZStorage
WDC Slim WD10SPCX-24HWST1, 1000 GB , 5400 rpm, HDD
Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 2,170
Message 2 of 5

Re: Lenovo Y700 Amd fx-8800p ** CPU Throttling** even after *DUST CLOTH REMOVED*.

Hello NeedsHelpPlease

Thanks for using the Lenovo forums.

Have a look on the following posting on Lenovo, see if any of these steps could be of use.

 

Hope this helps, let us know how you get on.


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NeedsHelpPlease
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Registered: ‎03-16-2017
Location: CA
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Message 3 of 5

Re: Lenovo Y700 Amd fx-8800p ** CPU Throttling** even after *DUST CLOTH REMOVED*.

I have done all of those options suggested. 

lulu14150
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Posts: 25
Registered: ‎08-21-2016
Location: FR
Views: 2,123
Message 4 of 5

Re: Lenovo Y700 Amd fx-8800p ** CPU Throttling** even after *DUST CLOTH REMOVED*.

Same here, waiting for a true solution from Lenovo (New bios, better fan curve, support for ddr3 2133...). Even with CPU undervolted at 1,22v this computer throttle, as Notebookcheck said "Lenovo presents a gaming notebook with which you cannot play computer games well in its current state". It's a joke. 

The worst thing is that a good bios could solve these problems

NeedsHelpPlease
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Registered: ‎03-16-2017
Location: CA
Views: 2,111
Message 5 of 5

Re: Lenovo Y700 Amd fx-8800p ** CPU Throttling** even after *DUST CLOTH REMOVED*.

If i could just lock the max turbo clock speed and force the fans to run 100% then i bet i would be able to resolve the throttling problem. Like rather than running at 3.4ghz and sropping to 1.5ghz just lock in at a stable 3ghz or 2.7ghz so it doesnt over heat. But lenovos bios doesnt let u do anything.

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