Strange lines on FSX 2D panels

Hi there, 

I've recently bought a new PC, gone from Vista to W7 Pro 64 bit. I've done a fresh FSX install along with installing the aircraft again. 

There seems to be lines appearing down some of the gauges in the 2D cockpit. Virtual cockpit and outside views are fine. I've re-installed the aircraft but that made no difference, deleted and recreated the fsx.cfg file with no difference. There's screenshots attached to show the problem. It seems to happen more with the iFly 737, but also happens with the Wilco ERJ and the Airbus A320 series. When the gauges are clicked on and increased in size, it's all fine. 

Look at:

The Takeoff N1 reading on the iFly 737, the Left hand engine

The POS word on the screenshot with the FMC

The PHMK word on the ERJ FMC

Ideally i don't want to re-install fsx, but It could be possible. 

Any suggestions would be greatly appreciated!

Thankyou

Images:

https://www.dropbox.com/sh/ndxbh8ae5y97due/ZIxrPfP5Pr