This monitor isn't compatible with DP mode.
This monitor isn't compatible with DP mode.
Windows 11 - 64 bit, ASUS TUF GAMING B550-PLUS, BIOS version: 3002 AMD Ryzen 7 3700X, RADEON RX 6950 XT red devil, power supply: MSI MPG A850G PCIE5, 850W, graphics card: G.SKILL RipjawsV 32GB, 3200 MHz, storage: SSD Samsung 970 EVO Plus 250GB M.2, SSD Samsung 850 EVO 120GB SATA3, drive: Crucial MX500 1TB SATA3, monitor: 1 Acer kg271cbmidpx, 2 AG Neovo F-419, recently upgraded GPU and PSU (previously Gigabyte GeForce GTX 1060 and SilentiumPC Vero L1 500W), cable for monitor 2: DP to DVI functioning but monitor 1 only works with HDMI, experiencing black screen for 2-3 seconds then resuming, not with DP monitor 1 which functions with DP until drivers and BIOS updates. Monitor 1 supports older GPU with DP 1.2 at 144Hz. Now when attempting it shows "No signal" – updated chipset and GPU drivers, reinstalled GPU drivers twice, ran Windows update."
You can look up the current firmware version for your monitor. If you need help finding it, check the manufacturer's website or the device settings menu on your PC.