for some reason, this is happening.
my old video card (hd 5770) was just fine, using as x16, but on rx 550 its only recognizing it as a x8 slot, which is probably the problem with the (driver stopped responding and succesfully recovered)
any ideas what it can be? bios configuration?
mobo: ASUS P5G41T -M LX2/BR
videocard: GIGABYTE Radeon RX550 2gb