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HP laptop issue #4576027
11/16/17 01:24 PM
11/16/17 01:24 PM
Joined: Nov 2008
Posts: 9,037
Phoenix
dishdude Offline OP
dishdude  Offline OP
Joined: Nov 2008
Posts: 9,037
Phoenix
HP is sending an empty box to ship this back in, but I would prefer not to.

Problem - Within a minute of booting, fan starts running at high speed and never slows down, sounds like a jet taking off. I've run W10 and Linux Mint on this machine, currently W10. Could this be an OS issue or is it a hardware/BIOS issue? BIOS is most recent version.

It's a Probook 640 G2



2018 Challenger SRT
Re: HP laptop issue [Re: dishdude] #4576034
11/16/17 01:28 PM
11/16/17 01:28 PM
Joined: Apr 2008
Posts: 37,110
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline
Joined: Apr 2008
Posts: 37,110
Ontario, Canada
Looks like it is an issue with the fan or fan controller, probably best to send it back to them.


2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
Re: HP laptop issue [Re: dishdude] #4576073
11/16/17 02:15 PM
11/16/17 02:15 PM
Joined: Mar 2014
Posts: 3,255
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,255
NJ
Probably fan motor or bearing. Fans are cheap and easy to change if you can get to it easily. Look on youtube for a tutorial.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
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Re: HP laptop issue [Re: dishdude] #4576115
11/16/17 02:51 PM
11/16/17 02:51 PM
Joined: May 2005
Posts: 764
USA
97prizm Offline
97prizm  Offline
Joined: May 2005
Posts: 764
USA
Try using a vacuum attachment to suck dust out of the fan assembly from the bottom. I had an HP Pavilion dv9009us that started having similar issues including running hot. The HP fan design tends to force dust and dirt inside like a centrifuge where it builds up. I vacuumed it out fixing the issue. I too should have sent it in but needed my laptop for college classes and couldn't wait 6-8 weeks for repair.


If at first you don't succeed fail fail again. (Waldorf and Statler.)
1997 Geo Prizm
1984 Mazda RX-7 Spec 7
Re: HP laptop issue [Re: dishdude] #4576222
11/16/17 04:36 PM
11/16/17 04:36 PM
Joined: Nov 2008
Posts: 9,037
Phoenix
dishdude Offline OP
dishdude  Offline OP
Joined: Nov 2008
Posts: 9,037
Phoenix
The computer is only 8 months old and clean as a whistle. The fan doesn't make any noise, it just runs at high speed almost as if it can't sense the temperature.


2018 Challenger SRT
Re: HP laptop issue [Re: dishdude] #4576639
11/17/17 12:21 AM
11/17/17 12:21 AM
Joined: Mar 2011
Posts: 1,808
CA
spackard Offline
spackard  Offline
Joined: Mar 2011
Posts: 1,808
CA
Symptom is flagged before the OS is running, in POST. So, either a hardware or sensor issue.

I believe they program their fans to spin to 100% if they can't get feedback from temp sensors. To be safe.

Re: HP laptop issue [Re: dishdude] #4576801
11/17/17 09:03 AM
11/17/17 09:03 AM
Joined: Aug 2005
Posts: 905
dayton oh
kc8adu Offline
kc8adu  Offline
Joined: Aug 2005
Posts: 905
dayton oh
i have seen a fan mounting standoff break off and allow the heatsink to lift.
full scream fans within seconds followed by power off.
yours could simply be a clogged heatsink.blow it out with canned/compressed air first.
rarely it is a leaked heatpipe.

Re: HP laptop issue [Re: dishdude] #4577979
11/18/17 01:18 PM
11/18/17 01:18 PM
Joined: Nov 2008
Posts: 9,037
Phoenix
dishdude Offline OP
dishdude  Offline OP
Joined: Nov 2008
Posts: 9,037
Phoenix
Took the SSD out and replaced it with the original platter to send it in for repair, and now the BIOS error has cleared and it's working correctly. ???


2018 Challenger SRT

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