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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.

‎02-24-2012 03:18 AM

HP Recommended

HP H8 HPE Pavilon Series -product no. QN621AA#ABA

operates on Windows 7 home premium 64 bit system

 

Just purchased this computer in November 2011... I have purchased Microsoft Office 2010 and Adobe CS5.5 software which has been installed on this computer. Everytime I turn on my computer, I get this message:  511-CPU Fan Not Detected. Underneath that is:  F1:Boot

 

What is wrong and what do I do to fix this issue?    Thanks, w-k  

2 REPLIES 2

‎02-26-2012 02:52 PM - last edited on ‎02-21-2017 05:08 PM by HP Administrator

HP Recommended

Hi,

 

Open up your PC and trace the CPU fan cable to the motherboard. Remove and replace it.

 

Carmel mobo CPU fan header.jpg

 

 

With the PC open, power on the PC and observe the fan.  Is it spinning?

 

Try clearing the CMOS. With the PC open, power on the PC.  Does the CPU fan spin?

HP ENVY 6055, HP Deskjet 1112
HP Envy 17", i7-8550u,16GB, 512GB NVMe, 4K screen, Windows 11 x64
Custom PC - Z690, i9-12900K, 32GB DDR5 5600, dual 512 GB NVMe, gen4 2 TB m.2 SSD, 4K screen, OC'd to 5 Ghz, NVIDIA 3080 10GB

‎08-31-2012 06:41 AM

HP Recommended

Hello all, I had this exact same problem with my CPU on my hp Pavilion HPE, everytime I started it I got the same error. When I opened the case up when the PC was running the fan wasn' moving at all, though instead of doing any technical work on the hardware all I needed to do was use my trusty old finger to spin the CPU fan around then it started off itself. 

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