Question about HP Pavilion dv6000t 15.4" Notebook Laptop PC PC Notebook
As it starts up all lights are on but it gives one long beep followed by two short ones and does not boot up and has a black screen. The fans then rev up. Sometimes the problem is solved by simply wrapping a blanket around it and leaving it till it warms up enough and shuts down on its own. Restarting after a bit then brings it to the Vista log in screen. What is a permanent solution?
The problem with the HP Pavilion dv2000, Pavilion dv6000, and Pavilion dv9000 series; is inadequate cooling for the graphics chipset.
The metal heatsink area on the Cooling Tube, is too small in surface area.
Chip and Chipset are slang terms for I.C.
The I.C, or chipset used for graphics is the graphics chipset, or more properly known as the G.P.U.
Graphics Processing Unit,
The GPU is an Nvidia 7400 G0,
The mounting to the motherboard is with a BGA surface mount.
Ball Grid Array.
The bottom of the graphics chipset has Solder Balls.
The mating area on the motherboard has matching Copper Pads, and they are gold plated.
The graphics chipset is set into place with the Solder Balls, lining up on the matching Copper Pads; and heat is applied at a specific temperature, and length of time.
This action melts the Solder Balls, and solders the graphics chipset TO the motherboard.
Due to the constant overheating the solder connections (joints) made, are partially melted.
Then when the laptop is turned off the graphics chipset cools down, and the solder joints re-solidify.
This causes Cold Solder Joints, and a poor contact of graphics chipset to motherboard.
The solution is to add more surface area, to the small metal plate of the Cooling Tube, that sits on the graphics chipset.
Plus reflow the solder joints for the graphics chipset.
BEST, and surety of repair; of reflowing the graphics chipset's solder joints; is to use a BGA Rework Station.
Watch a BGA Rework Station at work, and also view more information about the BGA surface mount,
This is one tech's procedure for the above. Not advertising for him, just reference,
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
i cannot install win xp on my hp pavalion it is already contain win vista and hard disc is SATA type give me a solution
Posted on Sep 08, 2008
Its possible but it would require taking out all the screws from the bottom of the latop, taking out the keyboard and the screws from the top cover. Then disconnecting the ribbon for the mouse pad and any other plugs coming from the top cover. After you take off the top cover you'll expose where the fan is at and at that point you can clean it off. If it still makes weird sounds then the fan would need to be replaced.
Posted on Jun 08, 2009
there is two screws under the touch bad but they don't look like a screw i don't no the name of it in english but they are somthing that the srew goes into it you must remove them and every thing will be easy to open and replace the motherboard
Posted on Oct 25, 2009
HOW TO FIX YOUR DV6000/DV9000/DV2000
All the Problems described in the previous posts are Graphics Related..
Faulty Nvidia Chip..Both Intel And AMD Based Motherboards..Though More Common on the AMD..
The symptoms of the Laptop Powering on and Shutting Off Repeatedly..Or.. Powering On and Having No Video...Or... Power Strip Lights Up, Beeps,Shuts Down...Or..No Power At All...Or.. Intermittant Loss Of Wireless/Video Goes In And Out/Touchpad Slows and Freezes..
To Fix this issue, You will need to Reflow The Graphics Chip.
I will Explain In Full Detail As To The Correct Method Below....
HP DV6000/DV2000/DV9000 Compaq v2000 Video Chip Reflow Instructions
First Step Is Complete Disassembly Of All Parts And Components..
Remove RAM, Remove CPU, Of Course Remove Heatsink and Fan assembly.
Next Step is Insulating the Motherboard... You need to Protect The CPU area, The RAM area, Cover any plastic Plug ports.
Try to leave 1/4 inch area around the edge of the chip free of insulation.
To Insulate the Board.. I use thick pieces of Tin/Aluminum, you can fold up some aluminum foil (tin foil) About 4 folds thickness....
Now that you have your Motherboard Insulated... Make Sure There's Nothing Flamable Or Burnable Below the Motherboard... it will get quite hot underneath.
You will need a Heat Gun.. You can get one of these at your Local Home Improvement Store, they cost about $15 - $30.. You Will Use ONLY the LOW Heat Setting... I REPEAT..... USE ONLY THE LOW HEAT SETTING ....
Next You Will Need Some Coins.. Yes Coins..
8 Quarters and 2 Nickels... Put the 2 Nickels On the Bottom and Stack Quarters On Top...
Place The Stack Of 2 Nickels And 8 Quarters On Top Of The Graphics Chip...
The Reason for using the Coins: Using the coins serves a few purposes...
1) It Helps Transfers the heat Into The Chip More Evenly/Slowly
2) It Helps Hold The Heat Longer/Then Helps To Cool Slower
3) It Gives The Correct Amount Of Weight That Is Needed To Press The Chip
A Thing To Look Out For...
Hewlett Packard is nutorious for using the RED epoxy around the edge of the Graphics chip.. this epoxy is used to help secure the chip to the motherboard...
This is a process that is Hand Done at the Factory.. And Some Boards Will Have Only A Little Amount of this, Some Will Have Alot of it...And Some are Only Done On The Corner Edges....
If There Is Alot of This On Your Chip, You Might End Up Needing To Carefully (REAL CAREFULLY) Remove as much of this epoxy as able to....You can use a Razor Blade To Lightly Scrape This Off... DO NOT MISS AND SCRATCH THE MOTHERBOARD!!! Go SLOW...
Now Comes The Heating Of The Chip...
Start With The Heat Gun About 6 Inches Away From The Top Of The Quarter Stack..You want to be holding the gun at a 45% angle.. Aim the heat at the Edge of the chip, You Will Start Rotating Around the Chip- around the outer edge of the chip...then use tighter circles concentrating on the quarter stack, then after about 30-40 seconds, slowly move closer to the chip...
Never Move the Heat Gun Closer than the Top Of Your Coin Stack...Then Pull It Back And Slowly Repeat.. The Chip Needs To Get Hot Enough To Re-Melt The Solder Balls On The Underside Of The Graphics Chip Back Down To The Contact Pads On the Motherboard.. and this takes Quite Alot of heating to Do.... You Must Not OVERHEAT the CHip... It Is Best To Underheat it and have to Redo.. than to overheat.. It will cause the solder to break down and even crack/split.. causing failure forever...
This process will take about 3 minutes total.. Once you shut off the Heat Gun.. Leave The Stack of Coins On The Chip And Let Sit For Another 5 minutes..
Now Remove The Coins(carefull they might still be hot)
Remove All Insulation.. Reinstall RAM, CPU, Heatsink and FAN Assembly (and Of Course Thermal Pads or Paste.. Note:. If Paste Is Used.. It Must Be Silver Paste...
Now You Can Connect The Power Button Strip/ Video Cable And The DC Jack Cable.... And Plug In AC adapter .. You're Now Ready To Test For Solid Power and Video....
Posted on Nov 22, 2009
I have the same problem with my hp pavilion! ive tried everything and cant get anything to appear on the screen. Keeps rebooting every 15 sec or so. Did you ever find a solution to this?
Posted on Jun 09, 2010
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