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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
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HP Recommended
"I took it to a repair shop only to find out that my heatsink is faulty"
Laptop heatsinks do not fail, unless they have been inadvertently broken.
Do you mean the fan instead? Are you getting 90B error messages?
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HP Recommended
Interesting. This is the first time I have heard of a laptop heatsink having a crack.
As an HP Expert colleague of mine is fond of saying, "anything is possible".
The 90E error message means that the power supply fan is not connected or may have malfunctioned.
A picture is worth a thousand words.
Can you post a digital image of what you are describing in your next reply?
From the Maintenance & Service guide for your laptop (Ch 3, Pg 19, Item 13 and 15)
https://h10032.www1.hp.com/ctg/Manual/c06719946.pdf
(13)
These are the parts you need for your laptop that match its processor and graphics specifications.
Fan For use in models with UMA graphics L20474-001
Heat sink for use in models with AMD Ryzen processors and integrated UMA graphics L20483-001
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