Question about HP Pavilion dv5-1125nr Notebook

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Can the processor be removed easily in an hp provilion dv5 1125nr laptop or is it soldered to the motherboard? Thanks

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Processor be removed easily in an hp provilion dv5 1125nr laptop.

Posted on May 08, 2011

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2 Answers

Display problem on laptop


Suggested problem with the graphics chipset

Usually the problem is the Mounting of the graphics chipset, TO motherboard.

http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/321957-321957-64295-3955552-3955552-4145198-4172654.html?dnr=1

ATI Mobility Radeon HD 530v
NOT, a graphics card as indicated by HP Support specifications;
It is a graphics chipset soldered to the motherboard, with a BGA surface mount,

http://www.ebay.com/itm/HP-ProBook-4510S-4710S-4411S-Intel-Motherboard-574508-001-TESTED-/230980393175?pt=Motherboards&hash=item35c78118d7

The white rectangular object towards the Left, with multiple holes in it, and also a small square hole in the center; is the Processor (CPU) socket.

To right of it is the graphics chipset.
Here you see the cooling system, for the Probook 4520S Notebook PC,

http://www.ebay.com/itm/HP-ProBook-4520S-4525S-4720S-CPU-Fan-with-Heatsink-P-N-598677-001-/281010572002?pt=US_CPU_Fans_Heatsinks&hash=item416d890ae2

Fan Assembly is at the bottom, in the D-shaped shroud.
Cooling Tube comes from the top, and curves around to the Left.
The small metal plate attached to the Cooling Tube, at the far left with 4 mounting screws; sits on the CPU (Processor)

Come to the right, and the small metal plate immediately above the Cooling Tube; sits on the graphics chipset. (2 screws)

This is NOT a Radeon HD530v, but shows a general example of the graphics chipset,

http://www.ebay.com/itm/New-ATI-Mobility-Radeon-X600-216PDAGA23F-BGA-Chipset-free-shipping-/271200572100?pt=LH_DefaultDomain_0&hash=item3f24d052c4

Does not have ATI on it. There are code numbers.

As stated, the graphics chipset is soldered directly to the motherboard, with a BGA surface mount.
Ball Grid Array.
It is NOT a separate graphics card, you just unplug to replace.

To explain the BGA surface mount, compare to an older Intel Pentium 4 processor; that uses a Socket 478 processor socket;

The bottom of the Processor has contact pins. 478 of 'em.
The CPU (Processor) socket, has 478 matching socket holes,

http://en.wikipedia.org/wiki/Socket_478

With a BGA surface mount, there are no contact pins, nor matching socket holes.
The bottom of the graphics chipset has Solder Balls, and the motherboard has matching Copper Pads.

The graphics chipset is lowered in place over the motherboard, with the Solder Balls lining up with the matching Copper Pads.
Heat is then applied at a SPECIFIC temperature, and LENGTH of time.
This action melts the Solder Balls, and solders the graphics chipset TO the Copper Pads. Which in turn solders the graphics chipset TO the motherboard.

Due to inadequate cooling, the graphics chipset can overheat.
Repeated overheating, can cause the solder joints (connections) that were made, to partially melt.
Then when the graphics chipset cools down, such as when the laptop is turned off; the solder joints re-solidify.

This can cause Cold Solder Joints.
Creating a poor contact of graphics chipset to motherboard.

A specialized shop with an SMD/BGA Rework Station, is used to reflow the graphics chipset to the motherboard.
View this short video, and see more info about Solder Balls, Copper Pads, and the BGA surface mount technology,

http://ersa.com/art-ir-pl-650-346-1472.html

Scroll down, click on the Red -
Take a few minutes to view the IR 650 demo video

Or replace the motherboard.

Regards,
joecoolvette

May 19, 2013 | HEWLETT-PACKARD HP ProBook 4520s Notebook

1 Answer

Whitescreen


Most likely cause is a fault on the motherboard. The graphics processor may be faulty or the solder connections from the graphics chip to the motherboard may be bad. This is not something that can be easily repaired and usually requires a new motherboard.

Oct 21, 2012 | Computers & Internet

1 Answer

CHANGING THE VIDEO CARD ON HP PAVILION TX1000


Nvidia GeForce Go 6150

http://www.ebay.com/itm/HP-TX1000-laptop-motherboard-441097-001-NVIDIA-C51M-GeForce-Go-6150-AMD-DDR2-S1-/160894901951?pt=Motherboards&hash=item2576155ebf

Scroll down to the first larger photo.
(Under the green - Exhibition: )

This is a bottom view of the motherboard. Look to the right of the white Socket S1 processor socket.

http://en.wikipedia.org/wiki/Socket_S1

That is an Nvidia NF-G6150-N-A2 chipset,

http://www.ebay.com/itm/nVIDIA-NF-G6150-N-A2-BGA-North-Bridge-Chipset-NEW-/220724258873

Uses a BGA surface mount, to mount it to the motherboard.
Ball Grid Array surface mount.

To explain the BGA surface mount;

The AMD Turion 64 X2, model TL-56 processor for your laptop, uses contact pins on the bottom.
The pins go in the socket holes of the Socket S1 processor socket.
(638 pins, 638 socket holes)

With a BGA surface mount there are no contact pins, nor matching socket holes.

In place of the contact pins are Solder Balls.
In place of the socket holes are Copper Pads on the motherboard.
(They are gold plated)

The chipset is set onto the motherboard, with the Solder Balls lining up on the Copper Pads.
Heat is then applied at a SPECIFIC temperature, and LENGTH of time.

The heat melts the Solder Balls, and solders the chipset TO the Copper Pads. (Which in turn solders the chipset TO the motherboard)

More information on a BGA surface mounted device, using a BGA Rework Station,

http://www.ersa.com/art-ir-pl-650-346-1472.html

Scroll down, click on the Red -
Take a few minutes to view the IR 650 demo video

Also another method used to remove, or reflow a chipset.
Posted ONLY for reference. Not advertising for this tech, nor website,

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

(Also check out his;
HP Pavilion dv2000 blank screen fix.....
and, HP Pavilion dv9000 blank screen fix......... )

Note how this tech PLAINLY states;
1) The heat MUST be uniform all around the chipset.
Cannot be any 'cold spots', or 'hot spots'.

2) The temperature MUST be at a specific temperature, and checked all around on the chipset.

3) When using the type of heat source the tech is using, the heat MUST be slowly withdrawn away.
This allows the chipset to cool slowly, and helps prevent cold solder joints.
(Chipset to motherboard)

MHO?
You better be GOOD to do what he is doing.

The best method hands down though, is to have it done with a BGA Rework Station.

http://h10032.www1.hp.com/ctg/Manual/c00853874.pdf

Or,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=3185028&


In the list click on -
HP Pavilion tx1000 Entertainment PC - Maintenance and Service Guide

Regards,
joecoolvette

http://h10025.www1.hp.com/ewfrf/wc/product?product=3185028&lc=en&cc=us&dlc=en&lang=en&cc=us

Oct 21, 2012 | HP Pavilion TX1000Z 12.1" Touch-Screen...

2 Answers

HP G60-243DX Laptop running but screen stays black.


Hook a external monitor to the video output usually on the back, if picture okay! the inverter board in the laptop just below the screen is the more likely issue, or the backlight behind the LCD display is bad, but if both show the same problem it is the video graphics card that is defective normally built into the motherboard.

Apr 11, 2012 | Computers & Internet

1 Answer

Bad-HP NX9600 graphic card... Replacement recommendations?


Your laptop uses Integrated Graphics.
Another term used for Integrated Graphics is OnBoard Graphics.

ON the motherBOARD.

This means the graphics chipset is soldered directly to the motherboard.
(Via a BGA surface mount)

It is either an ATI Mobility Radeon X300 with 64MB of video memory, or an ATI Mobility Radeon X600 with 128MegaByte of video memory.

http://h18000.www1.hp.com/products/quickspecs/12114_na/12114_na.HTML

As such, replacing the graphics chipset is more feasibly done, by replacing the motherboard.

Now,...
A) What makes you think the graphics chipset is bad?
You plugged in an external VGA monitor, (Laptop OFF, monitor OFF), and the graphics are distorted on the external VGA monitor?

[ Turn the external VGA monitor on. IF a CRT type, (Looks like a small TV), allow it to warm up.
Turn the laptop on.

If graphics do not show up on the external VGA monitor, press, and hold down on the Fn key, and simultaneously tap on the F4 key.

You may have to perform this procedure more than once, as there are several display options ]

B) Video Cable:
Loose connections of the Video Cable TO the motherboard, and/or TO the back of the LCD screen, can cause a bad display.

B1) A damaged Video Cable can also cause a bad display.
Just from the usual opening, and closing of the laptop, may damage the Video Cable. It runs across the motherboard, and under the left Hinge Cover.

Laptop partially disassembled, look at the Video Cable on the motherboard side, and see if there are obvious signs of damage to the Video Cable's sheath.

There may be damage to the tiny wires inside the cable, also.

The best method is to remove the Video Cable, and with an economical multimeter perform a continuity test of all the wires inside the cable.
(Multimeter set to Ohms)

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

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

The I.C. for graphics is a graphics chipset, or G.P.U.,

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

The GPU for your laptop is mounted to the motherboard with a BGA surface mount,

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

To explain the BGA surface mount, compare to an older Intel Pentium 4 processor, that uses a Socket 478 processor socket.

The bottom of the Processor has contact pins. (478 of 'em)
The processor socket has matching socket holes. (478)

With a BGA surface mount, the chipset has Solder Balls on the bottom.
The motherboard has matching Copper Pads. (Usually coated with a thin gold plating)

The chipset is set into place over the motherboard, with the Solder Balls lining up with the matching Copper Pads.
Heat is then applied at a specific temperature, and length of time.

The Solder Balls melt which solders the chipset to the Copper Pads.
(Which in turn solders the chipset to the motherboard)

The Processor and graphics chipset are the two hardware components, that give of the most heat.
IF, the laptop is kept dirty inside on a constant basis, the graphics chipset will overheat.

Constant overheating may partially melt those solder connections (Joints), and cause a bad contact of the graphics chipset to the motherboard.

To repair?
IF the graphics chipset is bad, you will need to find another one.
(Ummm, good luck)
Then a BGA Rework machine should be used to remove the bad graphics chipset, and solder in a new one.

OR, if the mounting of the graphics chipset is bad, (Solder connections), a BGA Rework Machine can resolder the connections.

This is why I state it is more economical, and feasible, to just replace the motherboard.

[ Laptops that DO indeed have a dedicated removable graphics card, base it off of the MXM technology,

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

Laptop manufacturers use the term 'Graphics Card' too loosely.
They state it, to make the consumer believe the laptop has a removable graphics card, when it doesn't.

Better for sales, and also helps the consumer understand about their laptop's graphics devices; but is used wrong.

They are stating Graphics Card, when it is really just a graphics chipset, soldered to the motherboard.

Kind of like people referring to a computer as a CPU.
It isn't.
CPU = Central Processing Unit. Another term used is Microprocessor, or simply Processor for short.
The 'Brain' of the computer ]

For additional questions please post in a Comment.

Regards,
joecoolvette

[ Service Manual,

http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&lang=en&cc=us&docIndexId=64179&taskId=101&prodTypeId=321957&prodSeriesId=445351#2

Scroll down to the bold heading - Service and maintenance information
Click on the file listed underneath -

Compaq Presario X6000 and HP Compaq NX9600 Notebook PC - Maintenance and Service Guide

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name it may take up to 30 seconds, before the first page comes up.

This is a temporary download. You can save a copy to your computer, and not have to download again.
This way you can burn it off to CD disk, and have the manual at your fingertips anytime you want.

You can also check the file out first to see that it works OK, then delete it from the computer you downloaded it on, and save harddrive space.
If you do not know how, and wish to, post in a Comment ]

Feb 05, 2012 | HP Compaq nx9600 Notebook

1 Answer

Hp dv4 power supply diagram


Power Supply is the AC adapter (Charger), the DC Power Jack harness it plugs into in the laptop, and a power sensor chipset, or chipsets, on the motherboard.

[ Chip and Chipset are slang terms for I.C.
Integrated Circuit,

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

As for a diagram of how the Power circuit runs on the motherboard, it isn't available to the general public. It is part of HP's, and/or the motherboard manufacturer's, design patent.

All I can state, is that you may want to check out the continuity, of the DC Power Jack harness. (Ohms check of each individual wire)
See if it is good. Also make sure it it plugged in tightly to the motherboard.

Past this point it's check out the motherboard with a dual trace oscilloscope. Trace the power circuit down to see where the problem is.

Bad power sensor chipset? Usual repair is to just replace the motherboard. Cost, and obtain ability of procuring the chipset, plus technique, and tools involved, justifies replacing the motherboard, and not trying to replace just the chipset.

The chipset is mounted to the motherboard via a BGA Surface mount.

BGA Surface mount:
Compare to an older Intel Pentium 4 processor, that uses a Socket 478 processor socket.
The bottom of the Processor chipset has contact pins. 478 of them.
The processor socket has matching socket holes. 478 of them.

With a BGA Surface mount, there are no contact pins, nor matching socket holes.
Solder Balls take the place of the contact pins on the chipset.
Copper Pads take the place of the socket holes on the motherboard.

The chipset is set into place over the motherboard, with the Solder Balls lining up on the Copper Pads.
The chipset is set down into place, and heat is applied.

Heat is applied at a specific temperature, and for a specific amount of time. The solder balls melt, which solders the chipset to the copper pads. (Which in turn solders the chipset to the motherboard)

To replace, a BGA Rework Machine should be used. Not something everyone has laying around. Read - Expensive.
Therefore repair is expensive.

Justifies motherboard replacement.

http://www.insidemylaptop.com/disassemble-hp-pavilion-dv4-laptop/

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-compaqhp

HP Pavilion and blue - dv4

For additional questions please post in a Comment.
I would like to know what specific problem you are having, also.

Regards,
joecoolvette

Jan 04, 2012 | HP Computers & Internet

1 Answer

Replacemother board dv 8000 hp lap top and trunall ligths trun on but blac k screen.


I'm going to assume it was yourself, or someone besides a tech, who installed this motherboard.
A tech would have the machine working before giving it back.

A) What was the original problem? Why motherboard replacement?

B) Do you know for a fact that the replacement motherboard is a good working unit?
Bought from a reputable dealer, or history of motherboard is known?

C) Did you follow Anti-Static Precautions, and used a ESD wrist strap, and connected it's alligator clip to a good ground source?

D) How acquainted are you with the design of a laptop's cooling system?
Aware of the basic design?

1) Air is drawn in for the cooling system usually from the Bottom of the laptop.
(Air Intake Duct. It is expelled through the Exhaust Port)

2) The air is drawn straight up into the cooling Fan.
Air then is pushed through the fins of the Heatsink

There is a Cooling Tube usually made of Aluminum or Copper. One end is attached to the finned Heatsink.
The other end is usually attached to a small metal plate.
This metal plate sits on top of the Processor.

Heat from the Processor is absorbed by the small plate. The heat is then transferred to the Cooling Tube. (Cooling Tube absorbs heat from the small plate)

The Cooling Tube then transfers the heat to the Heatsink.
The Heatsink absorbs the heat, then radiates it away with the tall, thin fins.
Air going through the fins, and around the fins, helps to carry the heat away.

Also on the same end as the Processor, is usually another small metal plate. This plate sits on top of the GPU.
Graphics Processing Unit, or simply stated as the graphics chipset.
(Essentially the 'Graphics Engine')

The Processor, and the GPU, are the TWO hardware components that PRODUCE the most HEAT.


Example of basic laptop cooling design I referred to above,

http://www.insidemylaptop.com/disassemble-hp-pavilion-dv6-laptop/

Scroll down to Step 29.
Here you see the black Fan Assembly.
To the immediate left of it is the finned Heatsink. Black in color, fins are not visible.

Coming down on the left from the Heatsink is a copper Cooling Tube.
Most of it's length is attached to an aluminum plate.
(Three machine screws hold the plate to the motherboard)

The aluminum plate you see is covering the top of the Processor, and also the GPU sitting next to it.

Point?
In looking at the Heatsink/Fan/Cooling Tube combination, for the HP Pavilion dv8000 series of Notebook PC's, I do not see a metal plate for the GPU.

I only see that the Processor is covered by a metal plate.

Examples;

1) http://www.pchub.com/uph/laptop/423-55686-4713/HP-Pavilion-dv8000-Series-Cooling-Heatsink.html

2) http://cgi.ebay.com/HP-DV8000-8100-8200-Heatsink-Fan-Assembly-403826-001_W0QQitemZ280451159745QQcmdZViewItemQQptZLH_DefaultDomain_0

Heatsink with copper Cooling Tube attached, and small metal plate at the end for the Processor,

3) http://www.laptoppartsexpert.com/i-5846952-cpu-heatsink.html

4) Motherboard,

http://www.global-motherboard.co.uk/hp-motherboard/HP-Pavilion-DV8000-Motherboard-403835-001.html

This means there is no cooling for the GPU, except for air that may make it's way around, in the inside of the laptop.

Point?

A GPU is mounted to the motherboard with a BGA Surface Mount.
Ball Grid Array.

To explain a BGA surface mount;

Your motherboard has an AMD processor socket (Mobile) that an AMD processor fits in.
The socket has the socket holes, and the Processor has the contact pins, which go into the socket holes.

With a BGA surface mount there are no contact pins, or socket holes.
There are Copper Pads, and Solder Balls,

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

The bottom of the GPU chipset has Solder Balls.
The surface of the motherboard has matching Copper Pads.

The GPU is set into place with the Solder Balls lining up, to the matching Copper Pads on the motherboard.

Heat is then applied at a certain specific temperature, and length of time.
The Solder Balls melt, which solders the GPU to the motherboard.
(Solders the GPU to the Copper Pads on the motherboard)

IF, a GPU constantly overheats, the solder connections start to melt. This creates cold solder joints, and a black display on the laptop's internal monitor.

To summarize;

A) The motherboard that has been installed may have the same problem as the original one, if the problem was poor contact for the GPU.

B) If you did not follow Anti-Static Precautions, there's a good chance the motherboard is now an expensive paperweight, or doorstop.

For additional questions please post in a Comment, or to reply

Regards,
joecoolvette

Oct 23, 2011 | HP Pavilion dv8000 Notebook

1 Answer

My DV 9000 Doesn't boot on. The led display turn's on but afther that it restart. Please Help me..............!!!!!!!!!!!!!!


I assuming that your laptop is using the ADM processor and the Ni-vida video chip. This is the laptop that HP had so much trouble with. For a while, they were repairing them for free, but not any more. Time ran out on the recall. Here's the issue. The integrated video chip was not soldered to the mother very well and over time, the heating and other stress on the motherboard caused the chip to break loose at some contact points. This is what appears to have happened to yours.

Some shops can and have had success repairing this problem by doing a "reflow" of the solder on the bottom of the chip. This takes a lot of skill because there are no leads on this chip, and it is soldered to the motherboard. In any case the solution is to Refurbish your motherboard, or replace it with a refurbished motherboard.

If this information help, please rate it high. Thanks

May 01, 2011 | HP Pavilion dv9000z Notebook

1 Answer

Nvidia 8600gt 512 MB chipset is not working in my DV9700t HP pavallion laptop. Same model is not sold here so HP autorised service centre could not repair it, also this laptop was not having world wide...


The Nvidia GeForce 8600M GT chipset isn't the problem. It's the cooling system.

The cooling system is inadequate. It cannot cool the Processor, AND the Nvidia GeForce 8600M GT chipset properly.

HP knows this.

When the Nvidia GeForce 8600M GT chipset overheats, it comes loose from it's motherboard mounting.

The method of mounting the 8600M GT is connected in a BGA mount.
Ball Grid Array.

To explain:
A) Chip and Chipset are slang terms for I.C. Integrated Circuit.

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

B) GPU = Graphics Processing Unit

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

The GPU is mounted on a small circuit board, and then the circuit board has a method of mounting to the motherboard.

With a Processor, the chipset is also mounted on a small circuit board. On the bottom of the circuit board are pins. These pins go down into socket holes in the processor socket.
(Or you have Processors with the socket holes, and the processor socket has the pins)

Instead of pins for mounting, there are round solder balls on the bottom of the small circuit board.
On the motherboard area that the circuit board is to be mounted to, there are a matching number of copper pads.
(We are talking REAL SMALL here. Copper pads about the size of a straight pin head, solder balls about twice the size of this period >. )

The circuit board with it's solder balls, is set into position on the motherboard with it's copper pads.
Heat is used to melt the solder balls, and they solder to the copper pads.

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

The cooling system in the HP Pavilion dv9700t Notebook PC (Laptop) consists of a Fan/Heatsink Assembly.

The fan draws air up from the bottom, and pushes air through the fins of the Heatsink.
The Heatsink is attached to a long copper tube.
The copper tube has two flat copper plates on it.

One copper plate sits on top of the Processor's case.
The other copper plate sits on top the GPU chip.

Heat is drawn from the Processor, and from the GPU chip to the copper plates. The heat is then transferred to the copper tube, and then to the Heatsink.

It's a POOR design.

NOT having worldwide warranty? Oh?

Watch the entire video. Also states a method to fix the problem.

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

Nov 19, 2010 | HP Pavilion dv9000z Notebook

1 Answer

Can i upgrade my processor 2000+on my hp ze4315us thanks


I am afraid to say that HP notebook processers are not upgradeable....... Processers are soldered to motherboards........

Aug 26, 2009 | HP Pavilion ze4315us Notebook

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