What Apple M1 chip exposes new bug: a large number of users are recruited by 4K displays, system compatibility problems?

Answer 1

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　　However, as we all know that computer products have always been the world of X86 chips, Apple should use the ARM architecture for the first time, and there is much concern about software application compatibility. Recently, a large number of users have reported that their 4K resolution displays are not compatible with the Macbook series equipped with the M1 chip.

　　The specific phenomenon is that regardless of whether it is through the Type-c to c lightning cable, or the Type-c to DP or HDMI cable, the external 4K display of the Macbook series with the M1 chip cannot natively recognize the screen and cannot be scaled by HiDPi. At this time, the external 4K screen resolution is only 1440x900, and the picture and fonts are very blurry, but it performed normally on the Macbook Pro equipped with the Intel Core chip.

　　By comparing the "System Report" with the normal situation, we found that after an incompatible 4K display is connected to the Macbook Pro equipped with the M1 chip, the display column will be judged as "TV", and the normal one will display the "Display Model" and normal Output 4K resolution.

　　Analysts say this is because the new Macbook Pro replaced the M1 chip after, because it is, and smart phones the same ARM architecture, iPad, etc., resulting in image output using a mobile terminal (iPhone, iPad) with IOMobileFramebuffer (IOMFB), and Many 4k monitors on the market do not support IOMFB image output, so they cannot support normal display.

　　According to rough statistics, many netizens’ 4K monitors have been recruited. Except for the display products of some big brands such as LG and Dell, which can natively turn on the HiDPi of the M1 chip, DIY monitors and small manufacturers’ monitors are easily incompatible.

　　From the current point of view, there are only two ways to solve this problem: one is to hope that Apple officials can quickly pay attention to this phenomenon and fix it in the subsequent MacOS system update; the other is that the user can replace it with a better compatible one. Display, obviously this will greatly increase the user's purchase cost and increase the user's budget burden.

　　The Macbook series with the M1 chip is very popular now. With the new processor architecture core and Apple's special optimization, it has outstanding performance in overall performance, battery life, application response, wake-up speed, video editing, etc., and even crushes the past. The i9 processor is equipped with a Macbook, and the only thing that makes people trouble is various compatibility issues.

　　I don’t know if you have encountered the phenomenon of failure of the external display of Macbook equipped with M1 chip? Please leave a message below the comments.

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