Solved Help with System Fan (90b) error message on HP laptop bootup

Dell - inspiron 17.3" laptop - 4gb memor...
August 16, 2014 at 17:15:17
Specs: Windows 7.0, Intel Core 15/2Gb
I have a HP Pavilion G7 laptop that I use as a backup. When I turned in on last week, I got an error message that the fan was not working correctly (90b). I did not open the computer but cleaned the vents as best as I could but that did not solve the problem. I brought it to my local Staples for repair. When I went to get it back today, I was told that the fan is working correctly but they could not find out why I was getting the error message. When I asked if it was safe to use the computer, I really did not get an answer.

If it is not the fan, what could trigger the error message? Is the computer safe to use as is? Is this problem repairable?

Thank you.
Brian W


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#1
August 16, 2014 at 18:20:27
✔ Best Answer
I wouldn't necessarily go by what Staples said. It might still be the fan or some other source of heat buildup that the fan isn't dissipating.

Note # 3 here:

http://h10025.www1.hp.com/ewfrf/wc/...

where it says a bios update may fix it--meaning it might be a false error generated by the bios.

Don't forget to preorder your Hatch green chili for this fall. Many vendors ship world-wide.


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#2
August 17, 2014 at 14:53:35
DAVEINCAPS,

Thank you for your response. I tried the first two suggestions in the website you noted and they did not work; however, I updated the BIOS and it appears as if the fan error message is gone and the fan is working correctly.

Thank you once again,
Brian W


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#3
August 17, 2014 at 20:29:21
You're welcome. I hope it keeps working OK. Keep an eye on the temperatures just in case.

Don't forget to preorder your Hatch green chili for this fall. Many vendors ship world-wide.


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Related Solutions

#4
August 18, 2014 at 04:19:50
DAVEINCAPS,

Is there a way to monitor the temperature other than touching the back of the case?

Thank you.
Brian W


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#5
August 18, 2014 at 23:44:43
I don't have a windows 7 computer up and running at the moment to check but I guess it doesn't come with a temp monitor. But cpuid HWMonitor is pretty popular:

http://www.cpuid.com/softwares/hwmo...

As with most download sites there's a lot of junk links. The actual download for it is in the right column, the '1.25 setup'.

That will monitor all kinds of stuff including temperature.

Others may post in with their suggestions.

Don't forget to preorder your Hatch green chili for this fall. Many vendors ship world-wide.


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#6
August 19, 2014 at 04:11:20
DAVEINCAPS,

Thank you for your suggestion.

Brian W


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#7
August 19, 2014 at 23:12:14
You're welcome. If for some reason HWmonitor doesn't work out you might want to start a new thread specifically asking for suggestions for temperature monitoring.

Don't forget to preorder your Hatch green chili for this fall. Many vendors ship world-wide.


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#8
October 8, 2014 at 00:55:04
Hi

I have the same problem. I am getting the error message 90B on my Pavilion G7-1033sg.
The Fan is running and the Bios is up to date but I am still getting the error message at startup.

I have checked the temp with "core temp" The highest temperature is 41 degree C.
GPU does not have a sensor so I dont know that temp.

what could be the problem? What can I do to fix it?


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#9
October 8, 2014 at 16:50:57
Did you check the HP support page and see if a bios update is available? It's probably something that wouldn't show if you did a driver update scan.

Also this a an older thread. You'd probably get more responses if you started a new one. You might want to reference this one so they'd know what previous suggestions you've looked at.


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