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Hi all, I recently got a broken macbook pro from my cousin for around 100$. I opened it and saw lines going all up in down the screen. I assume it’s cracked or something. I want to use this on the go and not stationary with a big monitor. This is the picture I took for reference. What’s my diagnosis?

Hey all, so a while back I had a friend give me an A2159 (2019 MacBook Pro) chassis with everything in it except for the motherboard to toy around with. I decided a little while back that it was time to buy a board off of eBay to see if I can get it working. So, I buy an untested board for 200$ because despite not having the schematics, I have a donor board and all the soldering equipment needed to fix the thing.

So I got it in and it has honestly the weirdest issue I’ve seen on a MacBook. So when it’s plugged in, the haptics on the trackpad instantly start working as soon as it has the power to do so, but the rest of the machine remains completely dead, or so I thought.

So, I decided to risk my fingers to see if I could feel any stupidly hot components anywhere on the board since the power button did nothing at all and the machine never did anything else other than activate the haptics in the touchpad. So the CPU and the small heatshielded area under the CPU gets hot, but the CPU itself gets really freaking hot. It actually feels like the machine is booting, but the wierd part is; not only does the keyboard backlight or touchbar not turn on, but the fan never spins nor does it chime. It’s by far the weirdest issue I’ve seen to date.

Keep in mind that this motherboard has zero signs of water damage either, none of the water sensors are tripped and it’s in great shape. I’ve done the usual unplug everything on the board unless it’s the bare minimum trick and all, but I can’t for the life of me narrow this problem down.

Does anyone know anything about what’s wrong with this motherboard or have any suspicions about what might be the culprit?

I’d rather not spend more on a new one if I can fix it, I also have a multimeter as well so I can also take measurements. Any help whatsoever will 100% be appreciated!

Also yes, I know I won’t have TouchD because the sensor won’t be origina to the board.

I'm not sure if I broke or bent the prongs of my chromebook because I can't even get the charging cord in the connector to charge the machine. Can I order a new prong thingee to change it??

What does the blinking red light on the bottom left of the laptop indicate? Normally it is just a blue solid light.

Thanks !