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BIGsmile674
Paper Tape
Posts: 1
Registered: ‎08-05-2017
Location: LT
Views: 5,346
Message 1 of 11

Lenovo Y50-70 Overheating (Heating Issues) CPU

First of all hello and thanks for reading this and maybe even helping me resolve this issue.

 

I have a Lenovo Y50-70 Gaming Laptop. And after around 2 years ( I think I don't really remember ) my Laptop started to overheat. CPU reaches temperature like 97-99Celsius and GPU around 90Celsius so I thought that I need to clean it out after this long time and I thought that I need to change the thermal paste because it wasn't changed in like 2 years. So thats what I did I cleaned out all the dust and applied new thermal paste turned PC back on and the GPU dropped from 90Celsius to 65Celsiu I thought great but CPU didnt it stayed at 97-99 Celsius so I thought maybe I did something wrong and again I cleaned out all the PC and AGAIN NEW THERMAL PASTE Changed the thermal paste both on CPU and GPU and then GPU dropped from 65Celsius to 60Celsius even better and guess what CPU stayed at 97-99 Celsius so whats the problem I cleanead out all the PC and changed Thermal Paste everything is clean. Where is the problem??? I don't really get it whats causing it because GPU runs just fine and CPU overheats and everything is clean and changed.

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 5,296
Message 2 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Hello BIGsmile674

Thanks for using the Lenovo forums.


Are the fans running properly at all? Sounds like these guys are not doing their jobs as they should.

 

Try a static discharge for this, it may help to resolve the issue or at least get rid of any built up static on the motherboard.

(If the battery is internal, please just skip the remove/replace battery steps.)
1. Turn the unit off
2. Remove the battery and the Mains adapter
3. Press and hold the front power button for 30 seconds
4. Replace the battery and the Mains adapter
5. Turn the unit on as normal

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


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Kised1
Punch Card
Posts: 13
Registered: ‎11-02-2017
Location: UG
Views: 5,122
Message 3 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Hey.sorry about that.am also having the same problem.i realised the vrms next to the cpu and the cpu overheat within 2 minutes of gaming.the part of the heatsink over the cpu and vrms cant be touched for more than second.i had repasted with HY510(not the bst thermal paste on the market) with no improvement.i suspected the heatsink has a problem and am ordering for one from ebay.

tripplec
Bit Torrent
Posts: 2,379
Registered: ‎03-08-2012
Location: CA
Views: 5,102
Message 4 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

You are likely not using the right compound. Intel does not use a paste anymore on their cpu (not near enough coupling). All new CPU's have a heat conducting film on the heatsink to the CPU.

 

It should not have to be removed and replaced since it bond to the CPU from my experience and rips away when you pull off the CPU. Cleaning dust on the fan fins and channel blowing it out with comress air (airosol can) is all you should have to do. Did you check with Tech support on machine specifics?

T520 Model 4239 Intel(R) Core(TM) i7-2860QMbr>; Nvidia NVS 4200M Win 10 64bit
Z70-80 I7 - 5500U 16GB GB - 1TB HD Win 10 64bit FHD 17.3", G840 w/2GB

Kised1
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Posts: 13
Registered: ‎11-02-2017
Location: UG
Views: 5,099
Message 5 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Thank you sir.apparently my y50 70 is out of warranty,engineers down here in uganda have no idea about what happened to it.i will repaste it with arctic mx4,order for a new heatsink from ebay and see how thngs turnout.

Kised1
Punch Card
Posts: 13
Registered: ‎11-02-2017
Location: UG
Views: 5,098
Message 6 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

My cpu is a core i5 4200h with a gtx 860m.
Kised1
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Posts: 13
Registered: ‎11-02-2017
Location: UG
Views: 5,018
Message 7 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Hello Sir.i removed it because the laptop was constantly over heating even after blowing all the dust out.wanted to ask something?,can a fan be faulty even if it appears to be running well.it is just abit noisy.

Kised1
Punch Card
Posts: 13
Registered: ‎11-02-2017
Location: UG
Views: 4,710
Message 8 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Hello colleagues.I replaced the heatsink,applied artic mx4 and now my temperature during gaming never go above 70 degrees.thx for yo support.

tripplec
Bit Torrent
Posts: 2,379
Registered: ‎03-08-2012
Location: CA
Views: 4,623
Message 9 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

If the fans are working and clean of debris it should cool fine. The thermal coupling does need to be very good and removing the assembly tears the film used originally. The GPU will also have a similar situation if its an all in on heatsink as it appears in the photo. You may have to clean off the coating left being first (used to be grey film bonded by the heat). I have not worked on internal for a long time now being retired.
T520 Model 4239 Intel(R) Core(TM) i7-2860QMbr>; Nvidia NVS 4200M Win 10 64bit
Z70-80 I7 - 5500U 16GB GB - 1TB HD Win 10 64bit FHD 17.3", G840 w/2GB

Dumbadum
What's DOS?
Posts: 1
Registered: ‎03-24-2018
Location: HU
Views: 4,184
Message 10 of 11

Re: Lenovo Y50-70 Overheating (Heating Issues) CPU

Veteran here, approximately 3 years of experience with Y50-70

My specifications:

i7-4720HQ @ 2.6Ghz

GTX 960M

8GB RAM

Samsung SSD 850 EVO 500GB (not original)

 

First of all, I had the very same issue you have/had. I had been using my laptop nealy 1 year, when the first overheat appeared. FPS drops, throttling, and smoking hot keyboard, in addition unenjoyable gaming experience. So I opened it up, to see whats wrong. First I have changed the thermal phaste. CPU temperature still 95°C. The short time solution was the following: I underclocked the CPU using Intel Extreme Tuning Utility and elevated my laptop with 2 books. My temperatures were still high but i managed to keep gaming without throttling. Recently the situation seemed to worsen furthermore, so i bought a high quality Cooler Master thermal paste,applied it, disassembled the whole machine, cleaned it from top to bottom, reinstalled the whole Windows 2 times, tried every drivers and BIOS updates. NOTHING ON EARTH HAS CHANGED. So I removed the dust filter cloth thingie from the bottom. Now my core temperatures never climb above 68-72°C. Thats like 30% cooler than before.That filter should be changed for a new one, or completly remove it and clean your laptop more often. Still this might not be the root cause of your issue, but a good way to make sure your dust filter doesn't block the airflow is to remove the backplate and start a stability test (e.g. AIDA64). If your CPU temperature lowered significantly, then you know the radiator could not get enough air to cool your CPU.

 

Hope I helped you.

 

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