3.6) Check for new drivers for your display. 4) Problems with colors on your external display. 4.1) Play with the display's color profile. 4.2) Calibrate your display's color. 4.3) Find the contrast button. 4.4) Find the color button. 4.5) Adjust your brightness. 4.6) Change display modes. MacBook Air. The MacBook Air with an M1 processor can connect only a single external display at a time, in parallel with the internal display. It supports up to 6K at 60Hz so monitors like the Pro Viewed 3k times. 1. I have external monitors connected via DisplayLink from my MacBook Pro M1 (macOS Monterey 12.2.1) Night Shift and f.lux won't work on the external displays (it only affect the main display) We'd be glad to help out. Check and make sure that Mirror displays isn't checked: Use external monitors with your Mac. "Use extended desktop mode. Choose Apple menu > System Preferences, then click Displays. Click the Arrangement tab. Make sure that the Mirror Displays checkbox isn't selected. The best professional MacBook Pro monitor. (Image credit: Future) 6. Apple Pro Display XDR. The best monitor for pro photo/video work on a MacBook Pro. Specifications. Dimensions: 28.3 x 16.2 x 9. HDMI external monitor not working anymore I have an external monitor at the office, that I plug on the HDMI port of my Macbook Pro (early 2015). It used to work fine before I was confined home back in March. Now that I'm back at the office, it's not working anymore: when I plug in the screen, it's just not detected. Connect your iPhone to a monitor via USB-C. Chris Davies/SlashGear. The iPhone 15 is compatible with two types of external monitors: USB-C and HDMI. On displays that support USB-C DisplayPort Go to "Settings -> Display & Brightness -> Displays -> External Display -> Preferred Display Setting -> SDR.". You may want to toggle "Allow Display Mode Changes" to the On position so that when you play back HDR content, the display will automatically switch back to HDR. All images and screencaps by Sydney Butler. Here's how you can change the different external display settings on iPadOS 16: Plug your iPad into an external monitor. Open the Settings app on your iPad. Tap Display & Brightness in the sidebar. Under the Displays section, tap the name of your external monitor. Tap Display Zoom. Select one of the following: Level 1 8 points Posted on Oct 3, 2023 7:09 PM Same issue here on MacBook Pro M2 with an external 4k LG monitor. It was working fine in Ventura. It is not recognized in Sonoma via USb-C. It works via HDMI. However I have two external monitors and need to use USBC for one. apple please fix this ASAP! View in context 63 replies Sort By: Best reply WosAs.