Here’s a link to the [https://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_inspiron_laptop/inspiron-15-3531-laptop_service%20manual_en-us.pdf|service manual] for your laptop. taken from this [https://www.dell.com/support/home/us/en/04/product-support/product/inspiron-15-3531-laptop/manuals|webpage]
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Here’s a link to the [https://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_inspiron_laptop/inspiron-15-3531-laptop_service%20manual_en-us.pdf|service manual] for your laptop, taken from this [https://www.dell.com/support/home/us/en/04/product-support/product/inspiron-15-3531-laptop/manuals|webpage]
Scroll to p.49 to view the necessary pre-requisite steps and then the procedure to remove / replace the heat sink assembly.
Once that is removed you can clean off and renew the thermal paste on the CPU/GPU etc.
Hi @kokohaishere ,
Here’s a link to the [https://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_inspiron_laptop/inspiron-15-3531-laptop_service%20manual_en-us.pdf|service manual] for your laptop. taken from this [https://www.dell.com/support/home/us/en/04/product-support/product/inspiron-15-3531-laptop/manuals|webpage]
Scroll to p.49 to view the necessary pre-requisite steps and then the procedure to remove / replace the heat sink assembly.
Once that is removed you can clean off and renew the thermal paste on the CPU/GPU etc.
You can also clean the fan at the same time ;-)