IE11 developer tools (F12) do not scale correctly on high-DPI display on Windows 8.1 - by tttl

Status : 

  Not Reproducible<br /><br />
		The product team could not reproduce this item with the description and steps provided.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

ID 835482 Comments
Status Closed Workarounds
Type Bug Repros 1
Opened 3/17/2014 6:35:54 AM
Access Restriction Public


On Lenovo W540 with high-DPI screen, IE11.0.4 UI scales otherwise ok, but developer tools (F12) are shown as too small.
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Posted by William Keen on 6/18/2015 at 8:47 AM
I can reproduce this issue as well. I have a dual monitor set up. One monitor is 2560x1440, the other is 4k. On the 2560x1440 monitor, which is my primary monitor in windows settings, IE looks fine. On the 4k monitor, IE is completely unusable and doesn't scale.
Posted by Paul Turner on 6/9/2015 at 4:48 PM
Similar issue on Windows 10 with IE 11. Developer toolbar is super scaled up and virtually un-usable.
Posted by Microsoft on 4/23/2014 at 10:01 AM
Hello tttl,
We are very glad to hear that the issue has been fixed in build 17031. We will go ahead
and close this feedback for now, but do not hesitate to post a comment or open a new bug
if the behavior resurfaces.

Best Regards,
The Internet Explorer Team
Posted by tttl on 4/18/2014 at 12:17 PM
Hi IE Team,
I can confirm that upgrading to 11.0.9600.17031 fixes the issue.

Thanks for your support!
Posted by Microsoft on 4/17/2014 at 7:17 AM
Hello tttl,
If you could, please take a moment to update your browser to 11.0.9600.17031. If you
are still reproducing the behavior with that build, then post here and we will continue

Best Regards,
The Internet Explorer Team
Posted by RubenRios on 4/16/2014 at 9:19 AM

I can't access your attachments so I'm not exactly sure what's your specific issue. However, we are aware of an issue where the Developer tool header icons were smaller than expected in HDPI displays.

This issue has been fixed in the Windows 8.1 Update release. If that’s the issue you are calling out, please make sure you install the updates and let us know if you are still having the issue.

Posted by Microsoft on 3/28/2014 at 11:40 AM
We will do our best to match your environment and see if we
are able to reproduce the behavior at that time.

Best Regards,
The Internet Explorer Team
Posted by tttl on 3/26/2014 at 10:29 AM

Additional details
•    PSR recording attached. In the recording, please compare the F12 tolls font to the IE menu font (it is way too small). Also, when I select the ctrl+0 zoom level (200% on this display), you can clearly see that the F12 pane is not scaling properly as the rest of the UI is
•    IE version info
o    Version: 11.0.9600.16521
o    Update versions: 11.0.4 (KB2925418)
•    Machine info
o    Lenovo W540 (20BG-001CMS)
o    Display: Wide viewing angle & High density FlexView Display 2880x1620
o    Resolution: 2880x1620 (Recommended)

Please let me know if you need anything else. I’ll be at Build next week in case somebody wants to have a look at the computer.
Posted by Microsoft on 3/26/2014 at 6:32 AM
                Thank you for the feedback. We have been testing this scenario with Windows 8.1 IE 11 GA and Windows 7 IE 11 GA builds and did not reproduce the issue. Perhaps we are missing something in our repro steps \ approach.

                Would it be possible for you to please collect the following information to help us in our investigation of this issue?

1)    IE version and build number listed in the Help|About dialogue
2)    Problem state recorder of the issue this will help us visualize the issue you are experiencing. Problem state recorder is a tool included with both Windows 7 and Windows 8
a.    Please open PSR.exe from C:\Windows\System32\psr.exe
b.    Please reproduce the issue you are experiencing
c.    Stop the PSR.exe and save the file
d.    Attach the PSR.exe output to connect.
The PSR.exe tool will take screen shots and mouse clicks so we can attempt to reproduce the issue here. NOTE: Please do not visit any sites that contain personal or sensitive data such as passwords or financial data while collecting the PSR.exe data.
Best regards,
The Internet Explorer Team
Posted by Microsoft on 3/19/2014 at 10:51 AM
Thank you for your feedback!

We will be investigating this issue further.

Best Regards,
The Internet Explorer Team