MacBook Pro Video Problems And Will Not Turn On

The MacBook Pro A1229 Lights But Shows Artefizi Screen (Lines, Colored Pixels, Etc.)?

When You Turn On MacBook Pro A1229 The Led White Front But The Screen Remains Completely Black?

Assistance Apple Has Diagnosed A Problem With Logic Board Of Your Mac?

If You Have Any Of The Following Problems With Your MacBook Pro 17 Mod. A1229 … Read This Article!

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video problems Macbook pro

macbook pro 17 a1229 does not light

Cause:

The Problem Is In The Welds Of The NVidia Graphics Chip Present On The Logic Board

Effect:

Video Problems Or Logic Board Of The MacBook Pro 1229

Solution:

E ‘need to make reballing and reflow or even reflow with professional equipment.

In this article I show how I do a repair on the model A1229.

However for other similar models that have the same graphics processor nVidia repair procedure is the same.

In the article, despite having the experience and equipment to perform a reball balls of tin, I limit myself to only reflow that on this model I consider quite effective and generates a riparzione reliable and durable.

In my case, when pressing power:

macbook pro 17 a1229 does not turn on logic board

I only get the LED lights up front but no sign of life on video. Not even the initial sound typical of Mac.

macbook pro 17 a1229 white led

We start the phase of dismantling the unit A1229.

apple macbook pro 17 a1229

We begin to work on the bottom of the PC, placing on a soft surface and clean.

Detach the battery and begin to see where they are positioned all screws. In practice they are all on the bottom and side edges 3, except for the front side (where there is the button for the opening of the screen) where there are no screws.

open apple macbook pro 17 a1229

We start to have fun .. svitiamo all screws, possibly placing them on the table in an orderly manner so as to put them back in place during reassembly.

logic board repair apple macbook pro 17 a1229

We remove the cover that hides the RAM and dismantle these. Note the extreme cleanliness and design of each individual component … even the screws, flat ones, the year a spectacular design ..

memories ram apple macbook pro 17 a1229

Now it’s up to the side screws …

repair apple macbook pro 17 a1229

repair apple macbook pro 17 a1229

Okkio to unscrew the screws hidden … these three, in vain, being a little oblique I’d jump …

open shell logic board apple macbook pro 17 a1229

These are screws of the body, found only outside the chassis:

screws apple macbook pro 17 a1229

keyboard macbook pro 17 a1229 apple

Now we can begin to gently lift the upper body, making sure the flat keyboard that is connected to the motherboard or as he calls Apple Logic Board.

Stacchiamolo gently but decision.

disassemble the keyboard macbook pro 17 a1229 apple

And here we are finally in front of the main board of the MacBook Pro.

motherboard apple macbook pro 17 a1229

Now comes the most delicate phase: we must dismantle every flat, cable and connector connected to the motherboard, namely the central body.

Detach the flat of the video, the flat of the burner, the present flat on the left (top hard drive). Then we have to remove the burner itself (3 screws), remove the WiFi card placed in the head hard disk, all the pins and flat present below this.

Let us keep in mind as they are positioned all around the flat and that they do because after we put everything in the same position ..

Also you notice the small pins blacks, such as those of the fans: have connectivity unusual, come off very gently pulling pratcamente UPWARD.

flat video macbook pro 17 a1229 apple

flat burner apple macbook pro 17 a1229

flat hard drive macbook pro 17 a1229 apple

flat hard drive macbook pro 17 a1229 apple

flat wifi macbook pro 17 a1229 apple

wifi card macbook pro 17 a1229 apple

flat motherboard macbook pro 17 a1229 apple

fan apple macbook pro 17 a1229

dvd burner macbook pro 17 a1229 apple

dvd burner macbook pro 17 a1229 apple

disassemble dvd apple macbook pro 17 a1229

disassemble dvd apple macbook pro 17 a1229

disassemble dvd apple macbook pro 17 a1229

disassemble motherboard macbook pro 17 a1229 apple

disassemble wifi apple macbook pro 17 a1229

After removing all the flat and connectors this is pretty much one of the last which holds the motherboard to the rest of the components.

Eye to detach it takes a little bit because the cable is quite rigid.

disassemble fan apple macbook pro 17 a1229

Finalment get to the point of being able to lift the motherboard ..

motherboard macbook pro 17 a1229 apple

And here are the 3 processors on display. Of the three, the nVidia graphics chip is the first on the left.

motherboard repair macbook pro 17 a1229

video card problems macbook pro 17 a1229

The first thing to do is to be cleaned, removing the old thermal paste.

video problems black macbook pro 17 a1229

Subsequently control that on the underside processors there is something that can burn, in contact with the plate of preheat.

In this case there are only removed from the thicknesses in the sponge.

motherboard repair macbook pro 17 a1229

Attack with Kapton the thermocouple sensor on the bottom of the mother plate, in correspondence of the processor nVidia, so as to control the temperature during reflow.

reflow reball nvidia macbook pro 17 a1229

At this point we can proceed with the various procedures, if we want to completely detach the processor with nVidia reballing, complete replacement or reflow.

In the case of reflow we can proceed with the work on only nVidia or processor and nVidia chipset (bga station).

Before starting any type of work we have to eliminate during preheat the silicone glue on the edges of the processor on which we want to work. Later – but not required – we can applicarne new.

reball video Apple MacBookPro

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reflow reball apple macbook

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reflow apple macbook pro

In case of reflow, with the help of a syringe, after preheated, push the flux beneath the processor. Provider and then perform reflow respecting the temperature curves indicated by the manufacturer for this processor.

reflow reball nvidia macbook pro

After finishing the work, look forward to the cooling plate and provider and cleaning by removing the excess flux and cleaning the sinks from the old thermal paste. To remove traces of flux can use alcohol or spray specially designed for this purpose.

repair macbook pro nvidia

repair macbook pro nvidia

repair macbook pro nvidia

repair video macbook pro 17 a1229

Next step, the application of thermal paste. I put a little bit more as the old pasta was pretty dense. For this I used the Mac pasta Artic.

Thermal Paste macbook pro 17 a1229

A little trick: In this case I apply the thermal paste on the heatsinks is that processor; skald also some pasta and do cool several minutes before replacing the motherboard. This operation allows to amalgamate the best this kind of pasta.

MacBook Pro will not turn on

After doing this I just have to close it according to the backhand passsi followed for removing the motherboard.

Eventually remount the battery and try to turn it on …

result?

macbook pro 17 a1229 repaired

MacBook PRO 17 A1229 Who Had Problems Before Video Was Repaired !!

macbook pro running

macbook pro 17 a1229 work lights

 

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