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iceman20041
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Message 1 of 7

y50-70 thermal paste

 

Does changing thermal paste void warranty? What kind of thermal compuend does it come from factory? 

Thank you

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Message 2 of 7

Re: y50-70 thermal paste

The removal of the processor and heatsink is regarded as an FRU item.  In other words it is considered to be only a factory servicable part which void technically void the warranty.  As for the type of paste used, that's a good question which I doubt anyone would have an answer for.

 

Is there a reason you are considering changing the thermal paste ? 



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iceman20041
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Message 3 of 7

Re: y50-70 thermal paste

Thanks a lot for the answer

 

I guess I'll have to leave it as is.

 

My laptop while idle stays at mid 40's (44-46) but as soon as something is open (like browser) it goes up to 54-56 which I don't mind the temperature but since the last bios update (the one that fixed pulsuating fan noise) the fans ramp up and gets a little loud for just bowsing web. I was wondering that a good quality paste might keep temperature low enough to keep the fans ramping up so quickly. 

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Message 4 of 7

Re: y50-70 thermal paste

I think Lenovo still uses something Shin-Etsu as their stock factory paste, which isn't bad.

The alternate solution might be to disable Turbo when you're not gaming to reduce thermal output. Or get a more efficient browser.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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Message 5 of 7

Re: y50-70 thermal paste

Another thought would be accumulated dust.  If you have never blown out the vents or fan and frequently use the laptop it might be due.  The accumulation of dust on the fan blades can increase their noise level. Just use a short bursts of canned compressed air in each of the vents several times.  Just avoid long blasts of air as it may damage the fan from over revving. 

 

If you want to give it a thorough cleaning then remove the back cover and use short bursts of air directly in the fan assembly.  Page #32 of your model's User Guide explains how to remove the back cover.  Here is a link to that manual.....

 

http://download.lenovo.com/consumer/mobiles_pub/lenovo_g_z_series_ug_english.pdf



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Guru
Posts: 9,598
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Location: CA
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Message 6 of 7

Re: y50-70 thermal paste

Remember to try and hold the fan in place to avoid generating current going the wrong way.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
iceman20041
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Message 7 of 7

Re: y50-70 thermal paste

I've only had this laptop for about a month and I'm sure ithere isn;t enough dust to cause problem. 

 

the board should have diodes to protect from current peaks right?

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