João Carlos Mesquita Posted July 14, 2021 Share Posted July 14, 2021 I'm not getting the 3 monitors on Catalina, when I boot from VGA it gives black screen, but HDMI and DVI work perfectly, how can I get the 3 monitors working, opencore.  config.plist.zip Quote Link to comment Share on other sites More sharing options...
Administrators MaLd0n Posted July 15, 2021 Administrators Share Posted July 15, 2021 macos dont like VGA. use other output Quote -Donations- PayPal HERE - Stripe HERE - Ko-Fi HERE - BuyMeaCoffee HERE - Mercado Livre HERE Skrill danielnmaldonado@gmail.com - BTC 33HeGCuCSh4tUBqdYkQqKpSDa1E7WeAJQ3 - BNB 0x10D1d656eCa00bD521f9b4A43B83098B8142e115 - USDT BSC BEP20 0xb57cfdfa371fad1981910f0e8332409ab99f74d9 - USDT TRC20 TUR6Z9AVS4AYzqPnULoHrfFvppRbhXmNbZ - KASPA kaspa:qpxzufgfj8p6r0krg58yzvs0009h2mwqgvcawa0xc2pth7sgzpv56j4f6dtvk - PicPay @danielnmaldonado - PiX @danielnmaldonado@gmail.com Premium Users HERE - Problems with Paypal HERE Sign up for a Bybit account and claim exclusive rewards HERE New ways to earn money with Linkvertise HERE Link to comment Share on other sites More sharing options...
João Carlos Mesquita Posted July 15, 2021 Author Share Posted July 15, 2021 I have a machine running with an RX 550 with 3 monitors (VGA-HDMI and DVI), I've used a GTX 650 also with 3 monitors in Mojave and Catalina running VGA, only this GT740 that isn't running VGA...... Quote Link to comment Share on other sites More sharing options...
Administrators MaLd0n Posted July 15, 2021 Administrators Share Posted July 15, 2021 in some cases don't work apple don't use vga output Quote -Donations- PayPal HERE - Stripe HERE - Ko-Fi HERE - BuyMeaCoffee HERE - Mercado Livre HERE Skrill danielnmaldonado@gmail.com - BTC 33HeGCuCSh4tUBqdYkQqKpSDa1E7WeAJQ3 - BNB 0x10D1d656eCa00bD521f9b4A43B83098B8142e115 - USDT BSC BEP20 0xb57cfdfa371fad1981910f0e8332409ab99f74d9 - USDT TRC20 TUR6Z9AVS4AYzqPnULoHrfFvppRbhXmNbZ - KASPA kaspa:qpxzufgfj8p6r0krg58yzvs0009h2mwqgvcawa0xc2pth7sgzpv56j4f6dtvk - PicPay @danielnmaldonado - PiX @danielnmaldonado@gmail.com Premium Users HERE - Problems with Paypal HERE Sign up for a Bybit account and claim exclusive rewards HERE New ways to earn money with Linkvertise HERE Link to comment Share on other sites More sharing options...