Question about HP Pavilion dv4000 Notebook
How to i open the laptop case to replace the motherboard?
Please download the technical manual
Posted on Nov 13, 2007
I had problems where USB ports would quit working randomly--required reboot to get working again.
Took apart laptop and inspected. I did not notice anything obvious (after all, I am a software engineer).
After putting back together, it didn't even start. So I remembered a post saying to put pressure just above the touchpad. And, voila!
So I took it apart again and figured out that putting just a little pressure on the corner of the fw82801fbm chip caused the system to respond. So I put in a little vinyl bumper (1/2", I believe) to put pressure on the corner of this chip.
It has been rock solid for over a year now. Took it apart again a few months ago to inspect the bumper--just indented real good where it contacts the chip.
I considered sending the board somewhere to have it resoldered. (I got quotes from various places between $35 and $350.) But, at this point, I'm just fine with the bumper solution!
Posted on Jan 07, 2009
I have looked all over the internet trying to solve this one. I finnaly found a fourm where a guy who fixes this problem posted the answer. He made mention of the previous post talking about little trick fixes and I tried them ALL!! The problem is the whole computer freezez up unless you press on the left side of the touch pad. The answer is the the BGA chip (intel) has a loose soldier joint. So I figured I could save money by trying to heat up the soldier and re set it. There is a few funny ways of ding this. HEAT GUN, Lighting a tea light candle with cotton balls/rubbing alchol. The reason for this is the chip is cermaic and you dont want to heat the other componets around it. I tried to re heat each bridge to reset tot soldier. NOTHING WORKED and after all the different fixes.... I had to order another mother board and a NEW bottom chassis. <-----banging on the computer is not recomemded but this problem is VERY VERY VERY frustrating!!! So my advice is to order another mother board of EBAY ( make sure you match the HP replecement numbers) and fix it that way. I paid 100.00 for mine. Belive it or not there is a few DV4000 mother boards SOME HAVE MEMORY card readers. Sounds nice to have bur REMEMBER..... YOUR BASE WILL NOT WATCH THE HOLES IN THE NEW MOTHERBOARD!!!! Oh yea this did fix the problem. PRESS DOWN ON THE SIDE AND START SAVING YOU INFORMATION!!!!!!
Posted on Dec 14, 2008
I have HP pavillion DV4030CA laptop and its charging anymore. I has problem with power jack. I talk to customer service department they were like it will cost me 300 $ to repair it. So I am looking to solve a problem which cost me low.
Posted on Jan 25, 2008
I also have a HP Pavilion dv 4000 laptop and it locks up. It was my parents and I came home to visit and took a look at it. It would un-lock up when I would flex, or bend the front where the latch button is and hold it but as soon as you let go it would freeze again. I took it apart and traced it to a spot on the board. I'm not a genious by any means with computers, but underneath, under one of the removable covers there is a little chip that can be removed that has a white wire (aux) and black (main) that run to the screen, but screen still runs and system operates w/o it in, and under there, there is a little blue disc with a red and white wire running off of it. When I would press on it near where the wires come out it would run normally. I don't know exactly what the blue thing is or why that would be the reason for it to freeze up but that is far as I got. ikd if I need to replace the blue thing or the motherboard but I'm sure one of the two is the problem...
if you can figure this out or know what the problem is, email me at email@example.com
Posted on Sep 20, 2008
Check out the manual, located here:
Check under the Removal and Replacement Procedures section.
Replacement for the Full Feature Motherboard can be found here:
Posted on Nov 28, 2008
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