- Jan 27, 2017
- 2
- 0
- 1,510
Hello everyone , today i experienced something really weird , i got asrock 970 extreme3 motherboard , 8 gigs ram ddr3 1600 mhz , and 3 graphics cards (radeon hd 6450) , (radeon hd 4550) , and the one that i use is nvidia geforce 9600 gt , some overclocked version becauz default 9600 gt has 650 mhz clock and this one got 720 mhz , but anyways i got problem that whenever i connect hd 4550 or hd 6450 on pcie slot x16 2.0 they both work perfectly , but when i do connect 9600 gt on pcie slot x16 2.0 pc boots but screen stays black all that time , my mobo has crossfire x so i connect radeon hd 4550 on the other slot pcie x4 and i connected vga cabel on 4550 and it gives me a picture, and then i opened gpu z and when i was looking if there is 2 graphics cards , but it looks like my mobo does not detect 9600 gt when i connect it on pcie x16 2.0 slot , keep in mind that 9600 gt works perfectly fine on x4 pcie , as i said this 2 other radeon cards work on both pcie x16 and x4 , thanks for taking your time to read this , any help is appreciated 
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