# Flashing in Preview mode

**URL:** <https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610>\
**Category:** RapidWeaver Classic\
**Created:** [June 10, 2018, 1:12pm UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610 "2018-06-10T13:12:41Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Coen](https://avatars.discourse-cdn.com/v4/letter/c/e68b1a/32.png) [@Coen](https://forums.realmacsoftware.com/u/Coen)\
**Post date:** [June 10, 2018, 1:12pm UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610/1 "2018-06-10T13:12:41Z")

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Hi, my screen keeps flashing in preview mode (RW6)  
How can I solve this, or what causes the flashing?  
Thanks

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**Author:** ![NeilUK](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/neiluk/32/23434_2.png) [@NeilUK](https://forums.realmacsoftware.com/u/NeilUK)\
**Post date:** [June 10, 2018, 1:38pm UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610/2 "2018-06-10T13:38:07Z")

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This is a known issue if you are running High Sierra and RW6. Only RW7 is fully compatible with High Sierra.

You could try previewing in the browser if that’s the case.

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**Author:** ![Coen](https://avatars.discourse-cdn.com/v4/letter/c/e68b1a/32.png) [@Coen](https://forums.realmacsoftware.com/u/Coen)\
**Post date:** [June 11, 2018, 6:48pm UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610/3 "2018-06-11T18:48:06Z")

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Hi Neil,

Thanks for your answer. So I have to buy RapidWeaver 7 ???

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**Author:** ![teefers](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/teefers/32/8173_2.png) [@teefers](https://forums.realmacsoftware.com/u/teefers)\
**Post date:** [June 11, 2018, 6:55pm UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610/4 "2018-06-11T18:55:03Z")

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As Neil (@NeilUK) pointed out, you can get by with previewing in a browser.  
If you want to use the built in preview then RW7 is the only supported version.

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**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/system/32/25301_2.png) [@system](https://forums.realmacsoftware.com/u/system)\
**Post date:** [July 12, 2018, 4:55am UTC](https://forums.realmacsoftware.com/t/flashing-in-preview-mode/20610/5 "2018-07-12T04:55:03Z")

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