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Former Member

SAP GUI font size change automatically


We work on SAP 740 and an user has a strange issue; the font size change automatically when he used an external screen (he works on a Surface pro 3 under Windows 10).

We have defined the fontsize via the menu Options > Visual Design > Font Settings > Fixed Width Font Settings.

But the fontsize keeps to change automatically when he used his external screen.

Do you have an idea ?



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  • Hi Matt

    Were you able to fix the issue?I am on GUI 750 and I am facing exactly the same issue.The moment i open SAP GUI ,my screen resolution and font size changes for all the applications including SAP.I have tried several times to reduce the font (options -->Font Settings) but this also did not bring normal resolution back.Please let me know if you know the fix.



  • Former Member

    Hi Matt,

    Thanks for your support.

    We use SAP 7400.1.0.1093 build 1524627 and patch level is 0.

    Windows 10 is up to date and drivers also.

    I will patch SAP, test again and let you know.



  • I have a very similar issue - sporadic, happens occasionally not always. I've experienced this with both Windows 7 and 10 on both an HP desktop and Lenovo Laptops. When I am working with 2 or more sessions, table results (typically QA32 or QA33) will change to a larger font. It doesn't just change, it cycles back and forth making the screen jiggle. If I hover the mouse pointer over the left cells, as if to select a line, the table jiggles rapidly, cycling between large and regular font sizes, making it impossible to select a line.

    Very Annoying. The only resolution I've found is a reboot, which wastes time (although my new SS Drive is faster).

    Using SAP Netweaver - Both

    SAP File Version 7400.1.3.1104 Build 1588321 Patch Level 3. Hot Fix 1; & File Version 7400.2.7.1112 Build 1635946 Patch Level 7.

    Same issue with both versions.

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2 Answers

  • Jun 25, 2018 at 09:11 AM

    Hello Cederic, Hello Anika,

    Do you use a Windows DPI higher than 100%?

    Best regards,

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  • Aug 03, 2018 at 10:35 AM

    I've come across this issue only once,and there never was a solution. We could not even recreate this from our side with the same patch or version.

    Since 7.40 is now out of support, have you tested with 7.50 patch 6?

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