Replacing a broken fan on a Radeon 5770

You can buy off ebay a bran new fan replacement you know for the card with the right connector to connect to the 5770 card.

They cost a bout £11

All you do is measure from the dot in the center of the old fan to the longest bit on the fan blade.

Then depending on the mounts measure, from the center of one hole to the other for all three for the distance in mm for the mounting.

Most fans are about 65mm to 75mm on a graphics card.

http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.X5770+replacement+fan&_nkw=5770+replacement+fan&_sacat=0