Recent content by macside

I realized my problem was the power supply so I put in a new one. The graphics card is working off my HDMI cable for one monitor but I am trying to add a second monitor off my motherboard. I cannot get both to turn on at once.

Mine is High Sierra. I also tried a computer with Catalina

Put ina new graphics card (below) but was unable to get it to work. Any suggestions? XFX Radeon VII DirectX 12 RX-VEGMA3FD6 16GB 4096-Bit HBM2 PCI Express 3.0 CrossFireX Support Video Card

MotherBoard:Gigabyte Z87 LGA 1150 2 Way SLI HDMI DVI ATX Motherboard (GA-Z87X-D3H) CPU: Intel Core i7-4770K Quad-Core Desktop Processor 3.5 GHZ 8 MB Cache BX80646I74770K Graphics Card: Gigabyte R9 280X GDDR5-3GB DVI-I/HDMI/2xMini DP OC Graphics Card (GV-R928XOC-3GD REV2) Mac High Sierra OS I...

Did this fix the problem? I am curious because I have the same issue.

I can boot from an SSD to Windows fine but when I have an SSD with High Sierra installed and I am unable to login because none of the USB ports are working. What can I do? Thanks!