1. mj0's Avatar
    I was soooo looking forward to Windows 10 1703 because Microsoft claimed to have finally addressed the font scaling issues they've been having with HiDPI displays. And address it they did. Only that it has gotten much worse than before.

    I have an external 4k display attached to my Thinkpad (primary screen) and have that set to 150% scaling. In addition, I use my laptop's internal display (secondary screen) at 100% scaling. With Windows 10 1607 applications were blurry either on one screen or the other, depending on the application and framework. For example, Office 2016 was always blurry on the secondary screen while GTK applications were always blurry on the primary screen. With Windows 10 1703 the behavior at large hasn't changed, and Office 2016 is still blurry on the secondary screen. Only that now in addition to being blurry the fonts are unreadable, because they're jagged and garbled. It's kinda like font antialiasing is somehow messed up and renders the fonts unreadable.

    Any ideas how to fix this other than rolling back to 1607?
    tonyr6 likes this.
    04-14-2017 12:09 PM
  2. mj0's Avatar
    Here are two examples of what I mean. The first is Outlook 2007 (2016 has the exact same problem), the second is PuTTY:



    Prior to the update the fonts were still blurry but they were't jagged at all, and much easier to read. As it is my eyes start to hurt after a while.
    tonyr6 likes this.
    04-14-2017 12:16 PM
  3. mj0's Avatar
    Here's yet another example:


    I've tried fiddling with the ClearType settings to no avail. That only made it worse...
    tonyr6 likes this.
    04-14-2017 03:59 PM
  4. mj0's Avatar
    Come on people, I can't possibly be the only one with that problem
    Is nobody else using two displays with different scaling factors? This is really bothering me, and I'm about to roll back to the previous version.
    tonyr6 likes this.
    04-17-2017 09:20 PM
  5. mj0's Avatar
    That's it, I officially gave up and rolled back to 1607. It's completely and utterly ridiculous what Microsoft has managed to do here - fonts look decidedly better on 1607 than on 1703 because now they're only blurry and not jagged anymore. Much easier on the eyes, I couldn't stand it much longer.

    For direct comparison: top is 1703, bottom is what I'm back to with 1607:

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    tonyr6 likes this.
    04-17-2017 10:41 PM
  6. klausamtoft's Avatar
    I had the exact same issues - running on a laptop (native res. 2560x1440), external screen (native 2560x1440) and external (native 1920x1080) both external screens set to 100% scale and the builtin set to 150%.

    The external screens looked like crap. The scale factor for the builtin didn't affect the external displays.

    It was driving me crazy as well and I tried setting a custom scale factor, as this has solved issues for me in the past, but not this time. However - when setting a custom scale factor, Windows hits you with a red text saying something like "A custom scale factor has been set" and a convenient link to reset this and sign out.

    That fixed it for me. All displays are now behaving correctly and text/apps are smooth as expected.
    04-18-2017 01:52 AM
  7. mj0's Avatar
    I've tried that too, to no avail. The custom scale factor was applied to all screens, which made the external 4k display unusable, and I've uesd aforementioned red text to reset it. Unfortunately, it went back from tiny to crappy.
    04-18-2017 06:41 AM
  8. tonyr6's Avatar
    I am having the same issue so you are not alone but it seems like it. I tried everything from that outdated font ulitiy which did not work to right clicking on the shortcut to compatibility disable DPI which does not work BTW even the screen on the right click compatibility is blurry.

    Since upgrading to Craptastic Update I have been getting more eyestrain and headaches. Makes my 1080p ISP monitor look more like a CRT from 1998.
    04-21-2017 09:12 AM
  9. Peter Felts's Avatar
    Hi guys, I work on the team that owns fixing high DPI in Windows. Sorry about this. We'll take a look and determined what regressed. I noticed that two of you mentioned that 150% scaling was involved in your setups... is anyone seeing worse text scaling when other display scale factors are involved (125%, etc.)?

    Also, is anyone seeing worse text scaling on their primary displays (after logging out and back in after making any display scaling changes)?
    04-21-2017 11:27 AM
  10. tonyr6's Avatar
    My DPI is and always at 100 DPI. The fonts were nice and sharp until the creators update now certain fonts in any program is fuzzy. It is really noticeable as some programs will have some fonts fuzzy and others sharp in the same program screen.

    BTW I also posted on this forum with more detail and no real help either.
    04-21-2017 01:51 PM

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