Error: Can't Enter setup. Video Mode 103 is not supported by this video card.

Question

I have an Optiplex 755 with BIOS A22 (04 Jan 2013) and an AMD WX-5100 quad DP video card, and when I try to enter BIOS setup with F2, I get: "Error: Can't Enter setup. Video Mode 103 is not supported by this video card."

I've tried direct connect DP, DP to HDMI, DP to DVI and DP the VGA adapters to no avail.

Looking at some VESA docs, Mode 103 appears to be a 800x600x256 mode. I've tried 2 monitors, and both of them display display 800x600 just fine (in Windows) when connected.

Any idea on how to fix it, aside from replacing the video card?

speedstep · Answer

'Error: Can't Enter setup. Video Mode 103 is not supported by this video card.' UEFI video cards show this error because MSDOS VESA INT 13 video mode is not supported. Radeon HD5450 legacy card is required to get into Bios Setup. https://www.dell.com/en-us/shop/accessories/apd/a8763274

speedstep · Answer

If you need 4 or more monitors and this is a MINI tower use a legacy 7750 https://www.dell.com/en-us/shop/accessories/apd/a6945752

JOcean · Answer

AMD GCN cards do not support video mode 103 (this info from AMD). And as you have already found out, the WX-5100 is a GCN card as shown in the specs here.

Optiplex Desktops

Error: Can't Enter setup. Video Mode 103 is not supported by this video card.

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