Scale DPI for Better Appearance of Start Screen UI & Apps

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You might have come across a situation where you find that your start screen Tiles or Apps pinned to start screen appears to be too large or small with respect to your Monitor screen size. Here is the tutorial how you can adjust or scale DPI to change the monitor size detected by Windows.

Scale DPI Start Screen Apps windows 8

If you find that your Apps pined on UI or the start screen appears to be big or small for your monitor screen, then it’s none of your fault. It is the Windows that determines the Monitor size and set the UI resolution according to it. Here is how you can change the DPI scaling for Metro Start screen and apps in Windows 8.

DPI controls the size of the Start Screen Interface, so by changing the monitor size detected by Windows you can make the Apps and start screen UI look perfectly matched with the Monitor screen. And to do so, you need to make some changes in the registry.

Before you make any changes in the system registry make sure that you have set a restore point as any incorrect entry can cause errors in Windows and even corrupt it. If anything goes wrong in the registry changes you can simply retrieve it from the restore point.

Steps to Change DPI for Windows 8 Start Screen

  • Open Run dialog by holding down Windows+ R, type in regedit and hit Enter. This will open Windows registry
  • Upon prompted by UAC, click on Yes
  • Next, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Scaling

scaling dpi registry

  • Click on MonitorSize string value or right click on an empty space and create a new string value and name it as MonitorSize
  • Double-Click on it and enter the desired monitor size or assign a value as you wish

edit string

  • Once you have completed all your settings, Apply the settings and close Registry Editor.
  • Finally, restart your system to apply the changes.

On restart you can see that metro Start Screen DPI settings have been changed, and the apps are sized as per the Monitor Size specified by you in the settings.

Upon following the procedure described above you can now set the start screen UI and the Apps pinned to it appear as per the Windows 8 Monitor Size.


Priyanka contributes to the Computer and Gadgets section on Techcular.

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