Question about HP Pavilion dv9310us Notebook

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I have a dv9310us that powers up with no video then shuts off and starts a reboot over and over with no boot screen the screen stays black/blank, what would cause that?

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The graphics chip.

The HP Pavilion dv9310us is one of the Pavilion dv9000 series of Notebook PC's.

The dv2000, dv6000, and dv9000 series of HP Pavilion Notebook PC's, all have an inherent problem they share.
They have a poor cooling design for the Processor and the graphics chip.

A Chip or Chipset is an Integrated Circuit. Chip and Chipset are slang terms.

http://en.wikipedia.org/wiki/Integrated_Circuit

A graphics chip is attached to a small circuit board. (PCB) The board itself is attached to the motherboard via a surface mount type of technology.

BGA. Ball Grid Array.

To explain this type of mounting I will use an older Processor for an example.
The older Processors used pins on the bottom of them. These pins lined up with matching socket holes in the processor socket.

[Newer Processors have the socket holes, while the processor socket has the pins]

On the BGA type of surface mount, there are no pins protruding from the bottom of the graphics chip's circuit board.
There are solder balls.

On the motherboard there are matching copper pads.
The graphics chip is set in place on the motherboard so that the solder balls line up with the copper pads, then heat is applied, and the solder balls melt.

This action solders the graphics chip directly to the motherboard.
(Integrated Graphics. Also known as OnBoard Graphics. ON the motherBOARD)

With the poor cooling design of the above mentioned Pavilion DV series, the graphics chip overheats, and the solder connections begin to unsolder.
This makes a poor connection between the graphics chip, and the motherboard.

http://en.wikipedia.org/wiki/Ball_grid_array

Hence the problem you are having.

This video is just for information. I am not advertising for this person. (It's against FixYa T.O.S. anyway),

http://www.youtube.com/watch?v=JEpnqhRYGLw

Also click on Show more.
(Right under the video, and under the heading -
HP Pavilion DV6000 Blank screen fix BGA rework video problem)

For additional questions or clarification to what I have stated, please post in a Comment.
Regards,
joecoolvette

Posted on May 29, 2011

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Most likely a faulty piece of hardware, i assume you have tried booting it with the power cable plugged in, you can also try removing the battery as well (when the system is off of course) . Alternatively it could be an over heating problem, check to make sure there is sound coming from the fan ( you should see air ducts on the side or back of the laptop) also, hold your hand over it to make sure that it is moving air. If the fan doesn't sound right or is not spinning at all, you can try blowing compressed air into it. If that doesn't fix it, you will have to take it in to be serviced, it could be any number of the hardware components inside the laptop.

Posted on May 29, 2011

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You my friend have a bad hard drive.

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Posted on May 29, 2011

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