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G751JY left side fan rattle?

phdraptor
Level 7
Ran into an issue with the G751JY over the past few days:

The left side fan begins making this loud whirring/rattling noise that continues until the laptop is either put to sleep or restarted.

It starts doing this either:
-During typing (usually the system has to be under load/temps have to be up for this to trigger the problem), or:
-Shifting the computer at all (especially forwards/backwards) while it's running, also causes it do do the same.

Sleeping the computer for a minute or so and then waking it results in the fan returning to normal operation/noise levels - waking it up immediately after putting it to sleep lets the rattling noise continue.

Thoughts?

The RMA turnaround time for this is going to be about 3ish weeks - can anyone think of a quick/easy fix, or does it really need to go in for repair?
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18 REPLIES 18

XOIIO
Level 7
Doesn't lifting the keyboard up void the warranty though? Since that isn't really the "user serviceable" area

XOIIO wrote:
Doesn't lifting the keyboard up void the warranty though? Since that isn't really the "user serviceable" area

no call asus support if you want an official answer.
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Asoryu
Level 10
If it's under warranty then you need to send it in for repair, if this a quality issue you need to make ASUS accountable for the repair of their product.

Anthony566
Level 9
My new G751JY-T7303H did this out of the box ... had it swapped for a new laptop.

I also have a G751JY-DH71 laptop with the left side fan rattle, and it seems to be getting worse.

Does anyone know someone who has successfully self-repaired this problem? I'm hesitant to send my laptop back for repair, I hear that they tend to mess things up in the RMA repair process. I have no issues with my laptop other than this really annoying constant fan sound, and the whole not having G-SYNC enabled when it's clearly capable of it thing.

Corporal
Level 9
Does anyone know someone who has successfully self-repaired this problem?

Open the keyboard, put some oil inside the fans.
since the fans can't be disassembled, you just have to push them down the bearing a bit, then spray some oil inside. I assume that you will have to repeat it once the oil dries up. I just oil them whenever I get the dust out of the laptop.
My fans rattled in March, 6 months after purchase, fixed them, heard no rattle since.

Use any oil of your choice. First I used some silicon based oil, then I used Ballistol. Subjectively, Ballistol is better.

I just wanted to add some info about compressed air usage.
My old motherboard (desktop pc) died when i used compressed air on it.

It turned out, that it was a burnt fuse somewhere at the mainboard, that went off due high voltage electricity.
I did not touch the thing so you might think how there comes electricity?

Its just a fan that turns into a powergenerator if you cycle it. Then it starts producing electricity and puts it through the wires.

--> So if you want to use compressed air, make sure you fix the fans to prevent them cycling!

Corporal wrote:
Open the keyboard, put some oil inside the fans.
since the fans can't be disassembled, you just have to push them down the bearing a bit, then spray some oil inside. I assume that you will have to repeat it once the oil dries up. I just oil them whenever I get the dust out of the laptop.
My fans rattled in March, 6 months after purchase, fixed them, heard no rattle since.

Use any oil of your choice. First I used some silicon based oil, then I used Ballistol. Subjectively, Ballistol is better.


After 10 months I am having the same issue. The rattle. Only on left side.
Not anything loud and only on idle / small tasks (like 2900 rpm in the fan).
Funny if I stress the PC (like Black Ops 3) the fan goes to the 3000 rpm scope and I don't hear the rattle.
So it only started this week but I want to solve it.

I already opened up my laptop several times.
I know how to get to the fans but I didn't understand how you oiled it.

Can you explain? Do I have to press down the fun and then spray the oil (WD40 for example?)
"Push them down the bearing a bit"?---> didn't understand.

To get the dust out should i get the compressed air also?
How do I apply it?

Thanks for all the help in advance.

Corporal
Level 9
using compressed air on a rattling fan is pointless anyway :cool: