It would help if you mentioned what you mean by not compatible. It is a Sandy Bridge era PC, it should work with a 1050Ti.
If the BIOS does not recognize UEFI video for whatever reason, it should default to IGP until the OS boots and loads drivers for the GPU. If the BIOS fails to initialize the GPU and disables the IGP anyway, check if the BIOS has an option to force the IGP to enabled.
If the card won't run in your system, the only solution is to replace the system with one that will run the card. Not really any magic to do there. Make sure you check for the latest BIOS if you try the card.