Having problems with your HP Pavilion dv1000 Notebook ?

Power is going through the board but unable to turn the board on.

\015 Hi ive been looking at this problem for awhile and saw posts similar to it but nothing specific. I have power coming into the board and going to surrounding components but the board will not power on when I hit the "on" switch. There is no voltage going to the "on" switch and I have replaced a logic gate MOSFET next to the switch that was getting a small amount of voltage (.3v) from the connector but wasnt outputting any voltage. Most the components that are getting power seem to be just stepping the voltage down and are surrounding the connector. I would be very appreciative to hear any new ideas on things to check.Thank you\015

Answers :

Hi,
Unfortunately this is a common problem with HP Pavilion DV models.
I have worked with many of these models all with the same problem.
The problem is caused by stress points (picking the laptop up and moving it around) and also micro fissures caused by extreme heat on the major components like the power adapter, processor and GPU (graphics processing unit), these are commonly known as "dropped joints" or "dry solders".
In all but one case i have had to replace the motherboards. I did however bring back to life one particular motherboard by "re-floating" it.
This fix is a last resort and should only be performed by a confident person who is familiar with disassembling laptops.
In rare cases just a very hot hair dryer blown across the motherboard for 10-20 minutes can do the job but please be aware that if you go down this route you do it at your own risk.



Good luck.
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