Pavilion DV6915NR - issue of Board/LCD system

I begin troubleshooting on a Pavilion dv6915nr, when you press the power button power LED, battery LED, the fan turns to the top, and light on the switch panel. the HARD disk LED flashes, no post beeps and a black LCD screen. I replace the motherboard and still have the same question. I tried to do a reset of the power (hard reset). still no change in the system. I pulled two DIMMS and received "no beeps memory" at the station. I get no video on internal LCD or external monitor. I swapped the LCD inverter with a well known ups and still no change in the system. I have not a spare known good LCD display for Exchange and test functionality. I wonder if the LCD panel itself is dead or if the new systemboard is degraded or DOA.

Sean Doran
A +, EASD
Technician

It was a design and engineering question which was never resolved by HP, this is what a person was doing to solve it, add a heatsink in copper between the chip and factory HP sinks, re - solder the chip if necessary.

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

http://www.YouTube.com/watch?v=bnkQNmKauEc

Here's someone who does the same thing, only no video.

http://CGI.eBay.com/WS/eBayISAPI.dll?ViewItem&item=260595095107

Some sell copper heat sink

http://shop.eBay.com/?_FROM=R40&_trksid=p3907.M570.L1313&_nkw=copper+heatsink+HP&_sacat=see-all-categories

.

Tags: Notebooks

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