I'm running Lightroom 5 on a Macbook Pro Mid 2012 and I cannot change the size of the film strip Icons. The divider bar where the adjustment is done is covered by the size of the Icons. Any help would be appreciated.
Please restore the Preferences to default.
You may also refer How to set Lightroom preferences and let us know if that helps.
See this post for a workaround: Lightroom: Filmstrip is covering / overlapping filter- and breadcrumb bar | Photoshop Family Customer Community . The problem was fixed in the most recent release CC 2015.12, but you'll have to continue to use the workaround for LR 5.
Thank you, that fixed the problem.
Saved me a lot of time and it's much appreciated.