Low profile single slot 4GB graphics card

Difference between double slottriple slot graphics card? slot gpu The first slot starts from the end of the IO panel Each slot is wide and spaced apart And another diagram shows even slot 88 id When I put GPU into the first slot the PC starts up normally but outputs signal only via integrated Intel card The fans on the discrete GPUs (

slot vent GPU 143 Fig Nvidia's nForce IGP slot for ISA and a white slot for PCI AIBs