Missing sketch dimensions in Solidworks

I have recently upgraded to SW2017 and when start a new sketch I cannot add dimensions. the dimension lines are not there and I am unable to click to start a new dimension.

Even when opening old models, there are no sketch dimensions showing.

I do not have Instant 2D turned on, I have the latest graphics card drivers installed and have also reinstalled SW.

Any ideas?

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2 Answers

There have been a few other people reporting the same thing recently.
I suggested tools - options - performance - enable the Use Software OpenGL option

Despite having the latest video drivers, the video card may not work well with SolidWorks. You can check the XS website for a list of compatible video cards as well.

 
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Have you tried to use the measure tool in evaluate tab? This allows you to get the dimensions of whatever region you select.

 
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