Macbook Pro 2019 screen flickering when using integrated graphic card

The screenshot shows my computer. Screen flickering happens when it's using integrated graphic card, but it's OK when using Radeon Pro 555X 4 GB.

Not whole screen flickers, but only the bottom of the screen.

Anyone can help? Thanks in advance.

Posted on Aug 2, 2019 4:05 AM

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18 replies

hsaygi

Level 1

9 points

Dec 30, 2019 11:30 AM in response to tonysorete

Yes you are right. This is the only solution for now

Jan 14, 2020 5:39 AM in response to hsaygi

This actually helped on my MacBook! You're genius, thank you a lot!

Nov 26, 2019 2:01 PM in response to MikeGuoMBP

Same here. MBP 15" 2019, i9, 16GB with the Intel UHD 630 and Radeon Pro 560X.

Running macOS Catalina 10.15.1, but behaviour occurred on Mojave too.

Behaviour does not occur when using the Radeon GPU - only the Intel GPU. Have tried all the things the other posters have tried.

Behaviour seems more aggressive when using Firefox and Slack. Behaviour also seems to occur if I disconnect from an LG Ultrafine 4K display, sleep the MBP then resume from sleep without the dock or display connected. Behaviour seems not to occur if I reboot after disconnecting from the display. Behaviour doesn't *seem* to occur if I disconnect from a Caldigit TS3 Plus with 2 screens attached and repeat the sleep > wake process.

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Macbook Pro 2019 screen flickering when using integrated graphic card