Fix System Font Smoothing Disabled After Update on Windows 11

Quick fix: Open Run (Win+R), type SystemPropertiesPerformance, press Enter. Visual Effects dialog opens. Tick Smooth edges of screen fonts. Apply. Or: open cttune.exe (ClearType Tuner) and walk through wizard for ClearType tuning. For fonts in specific apps: each app may override smoothing setting.

System font smoothing (ClearType / anti-aliasing) makes text crisp. Updates can reset this. Re-enable via System Properties or ClearType Tuner. Apps may have own smoothing settings.

What causes this

Font smoothing options:

• Standard smoothing: anti-aliasing applied to font edges.
• ClearType: sub-pixel anti-aliasing optimized for LCD screens.

Some Windows updates reset settings. Or: switching display profiles, scaling changes, GPU driver updates can affect smoothing.

Method 1: Enable smoothing in Visual Effects

The standard route.

1. Open Run (Win+R). Type SystemPropertiesPerformance. Press Enter.
2. Visual Effects tab.
3. Pick Custom.
4. Tick:
   • Smooth edges of screen fonts.
   • Animate controls and elements inside windows (optional).
   • Smooth-scroll list boxes (optional).
5. Apply.
6. Fonts smooth across system: Settings, File Explorer, dialog boxes.
7. For chronic smoothing issues: pick Let Windows choose what’s best for my computer. Reverts to default smoothing.
8. For best balance: Adjust for best appearance: all visual effects on.

This is the standard fix.

Method 2: Run ClearType Tuner

For LCD-optimized text.

1. Open Run. Type cttune.exe. Press Enter.
2. ClearType Tuner wizard.
3. Tick Turn on ClearType.
4. For each step: pick the text sample that looks best.
5. Wizard adapts ClearType to your display.
6. Save.
7. For multi-monitor: tune per monitor.
8. For OLED / wide-color-gamut displays: ClearType may look strange. Disable on those, use standard smoothing only.
9. For HiDPI 4K displays: ClearType less critical; pixels too small for sub-pixel difference.

This is the LCD tuning.

Method 3: Per-app smoothing

For specific apps.

1. Apps with own font rendering may override system smoothing:
   • Office 365: File → Options → Display → Disable hardware graphics acceleration. Forces software rendering with smooth fonts.
   • Firefox: about:config → gfx.font_rendering.cleartype_params. Adjust.
   • Edge / Chrome: Settings → Appearance. Limited font options.
   • Photoshop / design apps: Preferences → Type. Pick smoothing method.
2. For Visual Studio Code: settings.json → "editor.fontLigatures": true for ligature support. Disable for crisp look.
3. For terminal apps: each terminal has own rendering. Windows Terminal: smooth by default.
4. For chronic specific app blurry: check that app’s settings.

This is the per-app route.

How to verify the fix worked

• Text smoother in Settings, File Explorer.
• No jagged / pixelated edges on letters.
• ClearType Tuner improves visibility.
• System Performance options show smoothing ticked.

If none of these work

If text still rough: Display scaling: Settings → Display → Scale. 100% may look different than 125%. For HiDPI text issue: per-app DPI awareness. Right-click app → Properties → Compatibility → Change high DPI settings. Pick Application as scaling option. For specific app blur: app not DPI-aware. Use built-in scaling override. For chronic blurry on external monitors: GPU driver. Update. For HDR displays: HDR + SDR text rendering can blur. Disable HDR. For low-resolution monitors: 1366×768 inherently rough. Use a higher-resolution display. For accessibility: Settings → Accessibility → Text size. Larger text typically less of a smoothing issue.

Bottom line: SystemPropertiesPerformance → Visual Effects → Custom → tick Smooth edges of screen fonts. Run cttune.exe for ClearType tuning per monitor. Some apps have own font rendering settings.