I bought the following ram
Look at this on eBay http://www.ebay.co.uk/itm/252526262264
My mobo is an Intel dq67sw
I installed the ram in slot 2 and 4, nothing shows on screen.
I installed 1 in 2 and it works (both tried alone in slot 2).
If I switch back to 2x2gb in slot 2 and 4 it's all...