HDTV/monitor sparkling white pixel problem (hdmi)

[Flabbijs]

So recently I recieved used Samsung SyncMaster FX2490HD HDTVmonitor and I have white pixels sparkling all around screen.

My video card is http://www.gigabyte.us/products/product-page.aspx?pid=4793#sp
Specs of HDTV : http://www.samsung.com/us/computer/monitors/LS24F9NSM/ZA-specs


here is video of problem (sparkling dots/pixels)

[video="https://www.youtube.com/watch?v=y4mPFghNZdk"][/video]

 

[Ironsounds]

Hello... Does this Monitor do this with another Computer?

 

[Flabbijs]

Hello... Does this Monitor do this with another Computer?

I dont know, I dont have any other pc in my house, but my pc is almost new, and i didnt had problems with my benq 20" monitor

 

[Ironsounds]

Hello... If you plug back in the BENQ 20"... Do they go away?

 

[Flabbijs]

Hello... If you plug back in the BENQ 20"... Do they go away?

yes, but benq monitor is with vga to dvi connection
but samsung is with hdmi

 

[Ironsounds]

Hello... Try the vga to dvi connection with the Samsung... to compare then... Do they go away?

 

[Flabbijs]

Hello... Try the vga to dvi connection with the Samsung... to compare then... Do they go away?

Can't connect with vga to dvi.
Just found out that this monitor was repaired at some shop, after it was struck by lightning, so its main board is different from orginal, there was dvi connector, but it didnt work'd