Some fonts may be scaled too large or too small when you change the DPI setting in Windows 7

This article provides a solution to an issue that the fonts may not all get scaled properly when you change the DPI setting in Windows 7 Service Pack 1.

Applies to:   Windows 7 Service Pack 1
Original KB number:   2556182

Symptoms

Consider the following scenario on a Windows 7 Service Pack 1 machine:

• Right-click on the desktop and click Personalize.
• Click Display to bring up the DPI adjustment window, which is titled Make it easier to read what's on your screen.
• Change from the current setting to a larger or smaller setting, then click Log off now.

When you perform these steps, sometimes the fonts may not all get scaled properly. Certain fonts in the user interface may be either too large or too small.

Cause

This is the result of a timing issue between the Explorer and Winlogon processes. When this condition happens, certain fonts get resized twice.

Resolution

Change the DPI setting again to reset the font to a normal size.