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iMacs equipped with the Apple Silicon chip, released in 2021, are subject to increasing complaints related to display problems after about two years of use. This defect pushes users to consider costly repairs, often outside of warranty.
The M1 iMacs, launched in 2021, marked a turning point For Apple with the introduction of the Apple Silicon chip. These all-in-one computers, particularly the 24-inch model, stood out for their performance and colorful design. However, over time, users begin to report major display defectsa phenomenon that seems to occur after about two years of use.
Since October 2023, the Apple community forums have been filled with complaints from users facing a screen problem on their iMac M1. Owners report the appearance of horizontal black lines which make the device difficult to use. This defect often occurs after the warranty period two years, forcing many users to pay between 600 and 700 euros to replace it.
Faulty flex cable causes screen issues on M1 iMacs
Affected users suspect that the problem comes from a flex-cable connecting the screen to the computer. This cable is subjected to significant tension, especially when the screen brightness is high, which causes a premature wear. Over time, the latter leads to short circuits responsible for the appearance of black lines. Some users believe that it could be a design flaw or a poor quality component used in the manufacturing of iMac M1s.
While this issue appears to primarily affect M1 iMacs, recent reports indicate that newer M3 iMacs may also be affected. A user of one of these, purchased in May 2024, mentioned experiencing similar black lines on their screen. If Apple hasn’t changed the flex-cable design, it’s possible that this defect persists on the future generations of iMac. As of now, the company has not officially acknowledged the problem as a manufacturing defect, and free repairs appear to be the exception rather than the rule. Users without AppleCare+ therefore find themselves facing high costs to repair their device.
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