HP Pavilion desktop PC 570-p0xx 90b fan error

[donaldp78]

So, a few months ago I started getting the 90b fan error on my pc.  When I took off the side panel (warranty ran out) I could see on startup that the cpu fan would hesitate to start running.  I would hit the power button on the pc and the fan would nudge a few times before it would start spinning.  BUT, by this point the error has already popped up on the screen and I usually let it shut down and try again.  Usually after about 5 tries or so it works normally.  I saw where this topic had been posted before and the way to resolve it was to open the case, write down the information on the fan, and purchase a new fan.  Except my fan doesn't have anything written on it.  I need options to resolve this as it is my work pc.  Thank you.

[REO51ST]

Welcome to the HP Support Community @donaldp78

To better assist you, the members will need the exact model number or product number of your laptop/desktop???

HP Notebook PCs - How Do I Find My Model Number or Product Number?

https://support.hp.com/us-en/document/c00033108

REO

PLEASE DO NOT POST ANY SERIAL NUMBERS

[donaldp78]

Model number is PC570-p020

[REO51ST · Accepted solution]

@donaldp78

HP part number:   859086-001 

HP Part Store: N/A

https://parts.hp.com/hpparts/Search_Results.aspx?mscssid=275ACAF2132E4C4EBF08F8598FF67F7B&SearchIn=P...

eBay:

https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=859086-001+&_sacat=0

REO

[donaldp78]

Thank you very much

[REO51ST]

Your very welcome @donaldp78

REO

[Monster_Zero]

DID THIS SOLUTION WORK??