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‎08-19-2016 07:31 PM

HP Recommended
Product: E8A11UA (ENVY TouchSmart 17 PC
Operating System: Microsoft Windows 10 (64-bit)

At the startup error message: 90B Cooling Fan is not operating correctly.   Notebook shuts down computer in 15 sec.  I do not hear or feel fan working.  I recently upgrated to Windows 10 Anniversary update.  No other changes.

Please advise the best coarse of action. 

Thak you

1 ACCEPTED SOLUTION

Accepted Solutions

‎08-31-2016 12:24 PM

HP Recommended

I need to remove display panel before getting to fan.  Do  you have video, because the instructions are very skatchy

Thank you

View solution in original post

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6 REPLIES 6

‎08-19-2016 08:16 PM

HP Recommended

 Hi,

 

If the problem is not due to accumulation of dirt, you must replace the fan

 

HP Notebook PCs - System Fan (90b) error message on startup

 

720235-001 FAN

 

http://h10032.www1.hp.com/ctg/Manual/c03922401

 

https://www.amazon.com/HP-Cooling-720235-001-720539-001-6033B0032801/dp/B0146YJE5W

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‎08-21-2016 01:08 PM

HP Recommended

Do I need to replace the heat sink? Do I need thermal paste ? If yes, what brand ,type?   Do you have a video with step  by step procedure to replace fan?

Thank you

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‎08-21-2016 05:23 PM

HP Recommended

 

According to the manual, the fan can be removed without removing the sink.

 

Check pages 85 and 86, there is detailed the procedure and previous steps:

 

http://h10032.www1.hp.com/ctg/Manual/c03922401

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‎08-31-2016 12:24 PM

HP Recommended

I need to remove display panel before getting to fan.  Do  you have video, because the instructions are very skatchy

Thank you

Was this reply helpful? Yes No

‎08-31-2016 02:25 PM

HP Recommended

 

There is one for m7-j120dx but this in Portuguese:

 

https://www.youtube.com/watch?v=y3HokB_pZ5k

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‎08-31-2016 05:49 PM

HP Recommended

THANK YOU

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