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Laptop won't start unless cooled by Air Conditioner


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#1 Doomonu

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Posted 01 April 2016 - 11:20 AM

My laptop quits (dies) randomly between 0 and 5 minutes after turning it on.  The only way I can keep it alive is to chill it using the house AC vent prior to starting it.  Then it works for hours but only if it continues to be chilled.  Any ideas what's wrong and how to fix it.  Already replaced the battery and power adapter and tried using fans under the unit.

 

HP Elitebook 8760w



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#2 the_patriot11

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Posted 01 April 2016 - 11:34 AM

Get a can of compressed air and blow out the air vents in it and see if that makes any difference.

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#3 buddy215

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Posted 01 April 2016 - 11:57 AM

I just did a search for the HP Elitebook 8760w......the price...$3500 in 2011.

I would do more than just blow the dust around inside. I would take it apart or have someone else do it

and give it a thorough cleaning and observe the fan to see if it is spinning properly.

 

EDIT: How to replace the fan in a HP elite book: CPUModder - YouTube


Edited by buddy215, 01 April 2016 - 12:12 PM.

“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”Lawrence M. Krauss

A 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science & Industry.”


#4 Doomonu

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Posted 01 April 2016 - 11:59 AM

Tried the compressed air.



#5 JohnC_21

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Posted 01 April 2016 - 02:20 PM

Here is the service manual that gives you a detailed description of removing your fan and heatsink. Can you here your fan spinning?

 

http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c02847569-1.pdf



#6 Doomonu

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Posted 01 April 2016 - 03:02 PM

Thanks for the manual.  Fan does not run during the 2 or so minutes the computer remains on but its temperature controlled so that may be normal.  Fan does run briefly after it dies.



#7 the_patriot11

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Posted 01 April 2016 - 04:08 PM

if its shutting down unless its on top of a air conditioner, thats a sure sign of overheating, if the fan never kicks on while its running without an air conditioner, and it shuts down, then the fan is not working. At this point you need a fan replacement, if you feel safe doing it yourself you can follow the directions in the youtube video provided above, if not, you can take it into a computer store and have them do it for you.


picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.





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