need help gpu crashing

[addywaddy]

im just on my computer and it keeps crashing.the screen goes to one color thgat covers the hole screen.it s a diffrent color each time ie, blue red pink white. im pritty shore its my gpu iv tryed diffrent ram sticks and dusted my computer and put on  new cpu heat sink on because it was running hot. i removed the gpu and put it back into the pcie slot. any advice please ???

[Senzelian]

5 minutes ago, addywaddy said:

im just on my computer and it keeps crashing.the screen goes to one color thgat covers the hole screen.it s a diffrent color each time ie, blue red pink white. im pritty shore its my gpu iv tryed diffrent ram sticks and dusted my computer and put on  new cpu heat sink on because it was running hot. i removed the gpu and put it back into the pcie slot. any advice please ???

If you're running a CPU with a integrated GPU, then you can try to remove your graphics card entirely and connect your monitor directly to your motherboard's I/O.
If it works absolutly fine, then you know your graphics card was the issue.

[Rushfriend]

Try to reinstall the gpu drivers.

[addywaddy]

i dont have a dvi or hdmi port on my mother board 

[addywaddy]

1 minute ago, Rushfriend said:

Try to reinstall the gpu drivers.

done that 

[Rushfriend]

O okay, do you have a list of your specs? 

[addywaddy]

ye.

cpu:fd-4350

ram 12gb

motherboard: gigabyte 990fxa-ud3

iv also got the lg34um95

[addywaddy]

3 minutes ago, Rushfriend said:

O okay, do you have a list of your specs?