It's the screen. Ignore the idea that the cable is faulty, and remove it from your mind completely. Watch this and fix! https://www.youtube.com/watch?v=HHbdmks-KFE
Some tech talk on why it isn't the cable for those who have the same problem:
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LVDS is what older Macbook Pros used to get info from the machine to the screen. LVDS stands for Low-voltage differential signaling. Emphasis on differential signaling. Let's take a lot of confusing science and engineering and make it simple, what you got at the screen was the result of the difference in signal between different lines. If one line was messed up, you would still get a picture, but the picture would be F'd up because the differences in the lines would not be what it was supposed to be. However, you would still see something.
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LVDS is what older Macbook Pros used to get info from the machine to the screen. LVDS stands for Low-voltage differential signaling. Emphasis on differential signaling. Let's take a lot of confusing science and engineering and make it simple, what you got at the screen was the result of the difference in signal between different lines. If one line was messed up, you would still get a picture, but the picture would be F'd up because the differences in the lines would not be what it was supposed to be. However, you would still see something.
Even then, with these older designs, it was almost never the cable. But, at the very least, it was scientifically plausible that it was the cable.
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Your machine is a Retina. These use eDP, a type of displayport protocol to get info from the mux circuit to the screen. Displayport is not differential signaling, it's not measuring the difference in signal between different lines. it's just data. It's either there, or it isn't. Think of it like analog vs. digital TV. In the olden days, you would see seinfeld, but he'd be blurry or fuzzy if it rained and you had a crappy antenna. Now you either see seinfeld or you see no signal error on the screen.
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Your machine is a Retina. These use eDP, a type of displayport protocol to get info from the mux circuit to the screen. Displayport is not differential signaling, it's not measuring the difference in signal between different lines. it's just data. It's either there, or it isn't. If you see anything resembling an image on the screen, however distorted it is, you have a working displayport connection, and the cable is not your problem. If the cable were not functioning in any way you would have a completely 100% blank screen.
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Think of it like analog vs. digital TV. In the olden days, you would see seinfeld, but he'd be blurry or fuzzy if it rained and you had a crappy antenna. Now you either see seinfeld or you see no signal error on the screen.
When you know how the system works it makes it that much easier to troubleshoot!
It's the screen. Ignore the idea that the cable is faulty, and remove it from your mind completely. Watch this and fix! https://www.youtube.com/watch?v=HHbdmks-KFE
Some tech talk on why it isn't the cable for those who have the same problem:
-
LVDS is what older Macbook Pros used to get info from the machine to the screen. LVDS stands for Low-voltage differential signaling. Emphasis on differential signaling. Let's take a lot of confusing science and engineering and make it simple, what you got at the screen was the result of the difference in signal between different lines. If one line was messed up, you would still get a picture, but the picture would be F'd up.
+
LVDS is what older Macbook Pros used to get info from the machine to the screen. LVDS stands for Low-voltage differential signaling. Emphasis on differential signaling. Let's take a lot of confusing science and engineering and make it simple, what you got at the screen was the result of the difference in signal between different lines. If one line was messed up, you would still get a picture, but the picture would be F'd up because the differences in the lines would not be what it was supposed to be. However, you would still see something.
Even then, with these older designs, it was almost never the cable. But, at the very least, it was scientifically plausible that it was the cable.
Your machine is a Retina. These use eDP, a type of displayport protocol to get info from the mux circuit to the screen. Displayport is not differential signaling, it's not measuring the difference in signal between different lines. it's just data. It's either there, or it isn't. Think of it like analog vs. digital TV. In the olden days, you would see seinfeld, but he'd be blurry or fuzzy if it rained and you had a crappy antenna. Now you either see seinfeld or you see no signal error on the screen.
When you know how the system works it makes it that much easier to troubleshoot!
It's the screen. Ignore the idea that the cable is faulty, and remove it from your mind completely. Watch this and fix! https://www.youtube.com/watch?v=HHbdmks-KFE
Some tech talk on why it isn't the cable for those who have the same problem:
LVDS is what older Macbook Pros used to get info from the machine to the screen. LVDS stands for Low-voltage differential signaling. Emphasis on differential signaling. Let's take a lot of confusing science and engineering and make it simple, what you got at the screen was the result of the difference in signal between different lines. If one line was messed up, you would still get a picture, but the picture would be F'd up.
Even then, with these older designs, it was almost never the cable. But, at the very least, it was scientifically plausible that it was the cable.
Your machine is a Retina. These use eDP, a type of displayport protocol to get info from the mux circuit to the screen. Displayport is not differential signaling, it's not measuring the difference in signal between different lines. it's just data. It's either there, or it isn't. Think of it like analog vs. digital TV. In the olden days, you would see seinfeld, but he'd be blurry or fuzzy if it rained and you had a crappy antenna. Now you either see seinfeld or you see no signal error on the screen.
When you know how the system works it makes it that much easier to troubleshoot!