What if brightness is limited on MacBook Pro or Pro Display XDR?

What if brightness is limited on MacBook Pro or Pro Display XDR?

Apple has added new details about this rather embarrassing incident for those who work in particular in imaging, or in direct sunlight.

Despite a purchase of several thousand euros, it happens that even the most advanced machines on the market are victims of a few flaws. This is particularly the case for MacBook Pros with a Liquid Retina XDR screen, in other words the 14 and 16 inch editions which arrived on the French market at the end of 2021 .

Indeed, Apple explains in a document just published on its site that the brightness of these devices can be too “ limited ”. Another product is also concerned; this is the Pro Display XDR external monitor which could soon be available in more compact versions .

The problem…

In fact, on macOS Big Sur and Monterey, a small icon with an “ attention ” sign (⚠️) may appear in the Control Center Monitor widget where the user usually adjusts the brightness with a horizontal slider. This then means that the brightness of the panel is reduced automatically by the operating system, but this is not a real bug.

Several reasons can hide behind this error, in particular an excessively high ambient temperature of the room where the computer is running or even a too long solicitation of the screen at maximum power. In this case, Apple then offers five different solutions that are easy to set up in a few clicks.

…and how to fix it

The first solution is simply to lower the temperature of the premises, for example by using an air conditioner. Otherwise, it may also be a good idea to close or minimize the windows of software broadcasting HDR content, or which would consume too much memory. To do this, consulting the statistics of the Activity Monitor app serves as a fairly reliable reference.

The last two alternatives are to either return the display settings to default or put the Mac or Pro Display XDR to sleep for five to ten minutes. This should in theory cool the components.

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