Question about Intel Motherboard

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Problem with the screen

The surface of my screen has a long crack,liquid spash through the crack,its laptop of hp type,what solution is there to rectify the problem.

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Think your gonna need a new screen
sometimes cheaper to buy a new laptop

Posted on Jan 17, 2009

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Cracked laptop screen connect external monitor


If your laptop screen is cracked or broken.... its either you buy a new screen and replace it because its not repairable..... or you use an external monitor that is if you have one, and connect the VGA cable to your laptop.............

Feb 08, 2014 | HP 417035-001 - HP Pavilion dv2000 Series...

1 Answer

When i turn on laptop screen goes all black no display


A) Shining a flashlight at the screen at various angles, do you see faint images?
No? Go on.

B) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the laptop.

Compaq Presario v3000? Left side towards the rear.
This is an example of a VGA connector (port), and VGA Cable,

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

Scroll down a little for VGA cable example. Note color of connectors does Not matter.

You can use a CRT type of monitor (Looks like a small TV ), or a flat LCD screen monitor if it has a VGA cable.

http://www.wisegeek.org/what-is-a-crt-monitor.htm

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.

IF not;
There are at least 3 display options;
1) Internal display of laptop monitor ONLY.
2) Internal display of laptop monitor AND external VGA monitor.
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the SAME time tap once on the F4 key.
The F4 key is the Display Toggle-Over key.

Still no display on external VGA monitor? (It takes a second)
Hold the Fn key down again, and tap once more on the F4 key.

NO display on the external VGA monitor, suggests a problem with the graphics chipset.
Most of the time it is the Mounting, of the graphics chipset TO motherboard.

The graphics chipset is mounted to the motherboard, with a BGA surface mount.
Ball Grid Array,

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

Nvidia GeForce Go6150 graphics chipset,

http://www.ebay.com/itm/HP-COMPAQ-PRESARIO-V3000-V3200-LAPTOP-MOTHERBOARD-/390287984982?pt=Motherboards&hash=item5adefa0956

http://www.ebay.com/itm/1PCS-nVIDIA-Geforce-NF-G6150-N-A2-BGA-chip-north-bridge-Chipset-for-laptop-/190695516885?pt=LH_DefaultDomain_0&hash=item2c6656aad5

View an SMT/BGA Rework Station at work, and learn more about the Solder Balls, and BGA surface mount,

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

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

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

Uploader comment;
"HP Pavilion DV6000 Blank screen fix BGA rework video problem
This BGA rework fix also works on the HP DV2000, DV6000 and DV9000 there are a couple more HP's with this BGA video issue.
This is a design flaw that we solved with our upgraded copper heat sink and thermal compound.
Also effected by this issue are a couple Compaq models. The Comaq Presario V3000 V6000 and a couple of the Pavilion models."

Not showing for advertising of repair. Showing for adding extra copper sheeting material, to the graphics chipset.
A BGA Rework Station is the best method.

The problem, is inadequate cooling for the graphics chipset.
Bad design by HP.

As you can see in the above information, the bottom of the graphics chipset has Solder Balls.
These Solder Balls match up with Copper Pads on the motherboard.
(The Copper Pads are also gold plated)

The graphics chipset is set into place on the motherboard, with the Solder Balls lining up on the 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 of course, solders the graphics chipset TO the motherboard.

The solder connections made are called Solder Joints.
When the graphics chipset repeatedly overheats, the solder connections partially melt again.
Then the laptop is turned off, and the graphics chipset cools down.

This causes Cold Solder Joints, and a bad contact of graphics chipset TO motherboard.

If this is a problem with your laptop state back in a Comment.
Going on............

IF, the display shows on the external VGA monitor, and is good; the problem is the Video Cable, or inside the Display Assembly.
(screen Inverter or LCD screen)

Let me know after your diagnosis what the outcome is.
1) NO display on external VGA monitor.
2) Display on external VGA monitor.

Post back in a Comment.

Regards,
joecoolvette


Service Manual,

http://h10032.www1.hp.com/ctg/Manual/c01035667.pdf

(The above is a direct link to a PDF file.
The computer you are using now has Adobe Reader on it, which uses PDF files.

After you click on the link it may take up to 30 seconds, before the first page comes up.
The PDF file will not show until the file is fully downloaded.

IF the link does not work let me know in a Comment.
I will link you the HP Support page it came from )

Mar 03, 2013 | HP Compaq for Presario V3000 Motherboard

1 Answer

How to replace or repair motherboard


A) What HP laptop is it in? Look at the bottom of the laptop, and in the white Service Tag. Need the Product Number. P/N.

I can give you an HP Support link to the free Service Manual, and guidance; for replacing the motherboard.

B) Board level component replacement? Sure for most components.

Power MOSFET's, Multi-Layer Ceramic Capacitors; mostly just SMD's.
(Surface Mount Device. It uses SMT. Surface Mount Technology,

http://en.wikipedia.org/wiki/Surface-mount_technology )

Comes to reflowing the graphics chipset, I would recommend getting next to a shop that has a BGA Rework Station,

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

Click on the Red -
Take a few minutes to view the IR 650 demo video

http://www.youtube.com/watch?v=5uiroWBkdFY

http://www.youtube.com/watch?v=3NN7UGWYmBY

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

I have NO clue what the problem Heading is supposed to be.

A) Western Digital is a HARDDRIVE manufacturing company.

B) HP G71, and Compaq Presario CQ71 are primarily the same Notebook PC.

GL40 is the Intel GL40 motherboard chipset, and it is Mobile.
Mobile,....in otherwords used for laptops,

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Core_2_mobile_chipsets

HP 578703-001,

http://www.alibaba.com/product-gs/557046155/578703_001.html

Is this for the circuit board of a WD harddrive?

(Plus there is a photo of a external harddrive, lol!)

Reply in a Comment.

Regards,
joecoolvette


Dec 08, 2012 | Western Digital HP 578703-001 GL40 G71 /...

1 Answer

I cannot project to second screen


http://h10025.www1.hp.com/ewfrf/wc/product?product=1817059&lc=en&cc=us&dlc=en&lang=en&cc=us

1) Laptop OFF, external display OFF, connect the external display to the laptop.

Turn the external display on.
Turn the laptop on.

There are at least THREE -> display options available.

1) Internal monitor of laptop ONLY'
2) Internal monitor of laptop and external display
3) External display ONLY

Hold the Fn key down, and tap on the F4 key once.
Still no?
Hold the Fn key down again, and tap once more on the F4 key.

http://h10032.www1.hp.com/ctg/Manual/c01035667.pdf

No internal monitor, and not external display also, means problems with the graphics chipset. May be one of the HP/Compaq models, that has problems with the graphics chipset overheating.

Due to a poor cooling design for the graphics chipset.
Graphics chipset repeatedly overheats, and softens the solder connections of the graphics chipset to motherboard.
(BGA surface mount)

Laptop is turned off, and cools down. Solder connections (Solder joints), re-solidify. This causes Cold solder joints.

Remedy in this case is to reflow the graphics chipset, and add more cooling surface, to the small metal plate attached to the Cooling Tube, that sits on the graphics chipset.

There are two Fan/Heatsink Assemblies offered. (Thermal Module)

1) One is for models that have UMA motherboards.

[ Unified Memory Architecture.
A fancy way of stating the graphics memory is part of the System Resources. The Processor and Ram Memory.
Two other terms used are Integrated Graphics, or OnBoard Graphics.
ON the motherBOARD ]

HP 430463-001 part number,

http://www.lapzone.com/servlet/the-16238/430463-dsh-001-HP-Heatsink-&/Detail

BING!

It's also used for the HP Pavilion dv2000 series, which DOES have a problem with graphics chipset cooling.

Look at the photo of the HP 430463-001, and at the Black round Fan Assembly.
Look to the left at the copper Cooling Tube. See that triangle shaped area that sticks out? This tiny surface area is what cools the graphics chipset.

SERIOUSLY inadequate!

(The Processor sits under that black square at the top, that has a smaller square hole in it. Four screws surround it.
{ You are looking at a Top View of the Thermal Module )

2) The second Thermal Module offered is for motherboards that has discrete graphics.
HP 417081-001,

http://www.ebay.com/itm/HP-Pavilion-DV2000-Heatsink-Cooling-Fan-417081-001-/160603422510

This time a Bottom view is shown.
Do you see a difference shari_n?
No? Neither do I!

Here is one tech's solution for this. This is for reference ONLY.
Not advertising for tech, nor website,

http://www.youtube.com/watch?v=PhxOVh2sbl8

This gives you more information on the BGA surface mount, using a BGA Rework Station,

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

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

HP Support > Service Manual (Free),

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=1817059&

Click on -
Compaq Presario V3000 Maintenance and Service Guide
(Allow up to 30 seconds for the first page to come up)

Regards,
joecoolvette

Oct 21, 2012 | HP Compaq for Presario V3000 Motherboard

1 Answer

How to overcome white screen of death


Blue screen of death. (BSD)
Windows operating problem.

White screen means you do not have a video signal.
Problem is;

A) Graphics Chipset
B) Video Cable
C) LCD screen

1) Graphics Chipset:

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

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

The graphics chipset, or graphics I.C., is properly called the G.P.U.
Graphics Processing Unit.
The GPU, just like a Processor, is mounted to a small printed circuit board, which is the interface used to connect the GPU, to the motherboard.

http://www.ebay.com/itm/NEW-Original-nVIDIA-Geforce-NF-G6150-N-A2-BGA-ic-chip-north-bridge-Chipset-/271010886762?pt=LH_DefaultDomain_0&hash=item3f1981f46a

[ Top View.
The black rectangle with Nvidia NF-06150-N-A2, is the GPU. The greenish square around it, is the Printed Circuit Board. PCB. The little white rectangles with the silver looking band, in the middle of them, are ceramic capacitors ]

The above is the GPU for the HP Compaq Presario V6000 series, of Notebook PC's.

The Compaq Presario V6000 series of Notebook PC's, has a graphics chipset overheating problem.
Also affects the HP Pavilion v2000, Pavilion v6000, and Pavilion v9000, series of Notebook PC's.


The cooling components for the v6000 series, is a Cooling Tube, Heatsink, and Fan Assembly.

Top view;

http://www.ebay.com/itm/Compaq-Presario-F700-CPU-Genuine-Laptop-Heatsink-Fan-449961-001-TESTED-/251119771623?pt=US_CPU_Fans_Heatsinks&hash=item3a77e79fe7

Fan Assembly (Black) to the right. Fan inside a 'D-shape' shroud.
At the top is the black rectangular finned -> Heatsink.

The slightly flattened copper tube is the -> Cooling Tube. It is sealed on both ends, and filled with Nitrogen.

The first little aluminum looking tab, away from the Fan Assembly, and on the Cooling Tube, sits on the GPU.
It is TOO small in surface area. The reason the GPU overheats.

The next small metal plate that is X-shaped, with four mounting screws, sits on the Processor.


Bottom view;

http://www.ebay.com/itm/Compaq-Presario-F700-CPU-Genuine-Laptop-Heatsink-Fan-449961-001-TESTED-/251119771623?pt=US_CPU_Fans_Heatsinks&hash=item3a77e79fe7

Put your mouse in the middle of the photo, then move around to enlarge.

Fan Assembly (Black) to the right, come to the top left corner of it.
To the left of the top corner, and mounted to the Cooling Tube, is a copper rectangular plate.
This small rectangular copper metal plate, sits on the top of the GPU.

Coming further to the left of that small copper plate, is the one that sits on the top of the Processor. Has an X shape with 4 screws in it, on the outside.
Inside the black rectangle is the small copper plate, which sits on the Processor
There is some grayish Thermal Paste that has been leftover.

Heat is absorbed by the two small metal plates, sitting on the Processor, and GPU.
The heat is then absorbed by the Cooling Tube.

The Cooling Tube transfers the heat to the Heatsink. The Heatsink absorbs the heat in the middle of it, and radiates the heat away from it by the tall, thin fins.

The Fan Assembly helps carry heat away from the Heatsink's fins.

With constant repeated overheating, the mounting for the graphics chipset to the motherboard, develops a bad contact. bad contact of graphics chipset to motherboard.

The graphics chipset is mounted to the motherboard, with a BGA surface mount. 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,

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

With a BGA surface mount there are no contact ->pins, nor socket holes.
In place of the contact pins are Solder Balls.
In place of the socket holes are Copper Pads.
(Gold plated also)

The graphics 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.
This solders the graphics chipset to the Copper Pads.
Which in turn solders the graphics chipset to the motherboard.

Constant repeated overheating causes the solder joints, (solder connections), to partially melt.
Then when the laptop is turned off the solder joints re-harden.
This causes Cold solder joints, and makes a bad contact of graphics chipset to motherboard.

1) Laptop OFF, monitor OFF, connect a VGA monitor to the laptop.
Connect to the VGA port on the left rear.
You can use a CRT type of monitor, (Looks like small TV), or a flat LCD screen monitor if it has a VGA cable.

Example of a VGA cable, and VGA connector, (VGA port on laptop),

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

2) Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on. By factory default the display should be on the external VGA monitor.
If Not;

there are at least 3 display options;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press the Fn key down, and hold it down. Tap once on the F4 key.
The F4 key is the Display Toggle-Over key.

No display on external VGA monitor?
Hold the Fn key down again, and tap once more on the F4 key.

Still no?
You have problems with the mounting of your graphics chipset, to the motherboard.

If it is that you Do have a display on the motherboard, then the problem is the video cable, or screen Inverter, or LCD screen.
Post in a Comment if you get a display on the external VGA monitor, and we will go from there.

This is one tech's method to fix the problem. Not repair, FIX.
(Not advertising for this guy, just for reference of method )

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

5 minute video showing a BGA Rework Station. Helps to understand what a chipset looks like that uses a BGA surface mount, and the BGA surface mount process itself,

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

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

HP Compaq Presario v6000 series of Notebook PC's -
Service Manual (Free from HP Support),

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=3177516&

Scroll the page down, click on -
Compaq Presario V6000 series of Notebook PC -
Maintenance and Service Guide

Regards,
joecoolvette

Aug 05, 2012 | HP Compaq Presario V6000 Motherboard -...

1 Answer

My Laptop Screen Has Cracked Liquid Crystal Display (LCD) and it's bleeding, blck lines all over and I think there's a few dead pixels too, Is there a problem where I have to replace/fix screen or...


if you faced just black lines (movable) then this might be due to flex cable or if the dotted and lines are fixed at some places then you have to replace the LCD of your Laptop. for best guidance please placed your Laptop Brand and Model description.

Sep 03, 2011 | Computers & Internet

1 Answer

Hi my HP Laptop screen is cracked. I need to change the bios settings to boot from CD. Reason for this is my daughter cannot remeber her password and i have downloaded password reset software from...


Put the CD in the CD-Rom and restart your laptop as it is booting keep pressing the F12 key and will bring up the boot priority just click on CD-ROM it will then continue to boot and you might see a screen saying press any key to boot from CD and it will boot from the cd
I hope this answers your question

Sep 01, 2011 | Computers & Internet

1 Answer

I have a hp compaq prasario cq40 laptop i spilled just a drop of liquid on the key board it stayed on for 10 to 15 min and then shut off the problem is it turns on however the screen will not and if i...


There is no way to know the extent of the damaged done to your laptop. I can only guess that the following parts could be bad, motherboard, battery, optical drive, keyboard,etc, etc...in addition laptops are a pain when it comes to dis-assembly

The rules if you spill a liquid on your laptop
  1. DO NOT apply POWER
  2. Remove the power adapter and battery as quickly as possible
  3. Blot up as much liquid as possible
  4. Remove all drives and allow the rest of the liquid to drain
  5. Use a hair dryer on low heat to assist in the drying process
Please note that soda leaves a sticky residue that can cause more problems, more disassemby of the laptop might be required

Feb 23, 2011 | Computers & Internet

1 Answer

Hi my HP pavilion dv9000 entertainment notebook's screen hasn't been turning on, what can i do to fix it?


hello sir,
this is a very common prbl in laptops . u not specify the prbl how n whn it occur, may b ur screen is damaged..if there is a break in screen thn the liquid in screen is flow n spread in screen the only solution is tht u change ur lcd display screen ...or may b ur belt (which is connected through the base is cut ) so there is a prbl arise in disply.
its better u can show it to any computer center near to u

Jan 26, 2010 | HP Pavilion dv9000 Motherboard

1 Answer

The screen has green and pink dots ans is totally distorted. I just bought this lap top in August. what can I do? it looks like theLCD screen is going out. this should be under warranty. I paid over...


The screen is melting because this model laptop is defective. The GPU of the laptop heats up so quickly that it melts the hinges, and the liquid crystals in the LC layer of LCD screen are having their states changed and are no longer able to return to the LC state causing these lines.

I can tell you, screen issues are one of the problems that goes with a laptop that is GOING TO FAIL.

Go to hplies.com and you will see almost 2,000 users with the same issue. The problem lies with the nVIDIA GFX chip on the motherboard. THE ISSUE IS UNREPAIRABLE. Any repairs will force the laptop to fail again.

This issue has actually landed me in small claims court where I am suing for hte full cost of this laptop because not only is hte laptop defective, nVIDIA admitted it, and HP covered it up.

Small claims court do not require a lawyer and filing a case ranges from $15 in NYC to $50 in places like CT.

Join us at hplies.com and we will give you the know how to get this issue fixed/your $ back. We even have links to all of the information!

Send me a PM if you want more assistance.

Jan 08, 2010 | Compaq Computers & Internet

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