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Why Brush Not Working in Adobe Illustrator

Cynthia Jul 13, 2026

Ever found yourself stumped when your paintbrush tool refuses to work in Adobe Illustrator? It's an issue that can leave even the most seasoned designers scratching their heads. Fortunately, most problems with the paintbrush tool can be resolved with a few simple troubleshooting steps.

Adobe Illustrator 2025 Tips - How to Master Brush Tricks for Beginners
Adobe Illustrator 2025 Tips - How to Master Brush Tricks for Beginners

Before we dive in, let's ensure we're on the same page. The paintbrush tool in Illustrator allows you to draw and paint with a wide variety of brush tip shapes. It's a versatile tool that can mimic traditional painting techniques, making it a favorite among many designers. But when it stops working, it can bring your creative flow to a grinding halt.

How to use Brushes in Adobe Illustrator CC - Tutorial
How to use Brushes in Adobe Illustrator CC - Tutorial

Common Reasons for Paintbrush Tool Malfunction

The paintbrush tool may not be working due to a multitude of reasons. Let's explore some of the most common ones.

I feel like I am betraying the Pen tool for this lol! I wonder why I was not using this before 🤷‍♀️
I feel like I am betraying the Pen tool for this lol! I wonder why I was not using this before 🤷‍♀️

One of the first things to check is whether the tool is indeed selected. Sometimes, tools might seem inactive due to user error, not due to a technical glitch. Ensure that you've selected the paintbrush tool (or press 'B' on your keyboard) and that it's active.

Check Sensitivity and Pressure

Paint Stroke Art Brush in Adobe Illustrator
Paint Stroke Art Brush in Adobe Illustrator

If the tool is active but isn't responding as expected, try adjusting its sensitivity. The paintbrush tool tends to be quite sensitive, and sometimes, it might ignore subtle movements. Increase the brush size temporarily and see if that resolves the issue.

Moreover, ensure that your stylus or mouse pressure settings are correctly configured. In the 'Edit' menu, select 'Preferences' (or press 'Ctrl + K' on your keyboard), then 'Tablet & Stylus'. Here, you can adjust the pressure settings to better suit your stylus or mouse.

Inspect the Brush Tip

an advertisement with the words make art painted on it's back side and in orange letters
an advertisement with the words make art painted on it's back side and in orange letters

Check if the brush tip selected in the Brush palette is viable for your task. Some brushes, especially those designed for effects like scatter or art brushes, may not function properly with the paintbrush tool.

To check this, open the Brush palette (Window > Brushes or press 'F5' on your keyboard). Click on the brush tip you're using, and ensure it's a suitable one for painting. If not, try switching to another brush tip.

Potential Software and System Issues

32,700+ Dripping Paint Brush Stock Illustrations, Royalty-Free Vector Graphics & Clip Art
32,700+ Dripping Paint Brush Stock Illustrations, Royalty-Free Vector Graphics & Clip Art

If the above steps don't work, the problem could lie within the software or your system.

Always ensure that your Illustrator application is up-to-date. Outdated software can often cause tools to malfunction. Check for Adobe Illustrator updates in the Creative Cloud app or through the 'Help' menu in Illustrator.

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How to Create a Watercolor brush in Illustrator { EASY Tutorial }
a black and yellow book cover with the words custom art brush in adobe illustration on it
a black and yellow book cover with the words custom art brush in adobe illustration on it
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DIY Procreate Brush Hack: Craft the PERFECT Liner in 2 Minutes!
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Adobe Illustrator Tutorial Paint Brush & Blob Brush Tool CC 2020 Easy Guide for Beginners Hindi
a pink background with white clouds and the words popular opinion it's not really about the type of paint brush
a pink background with white clouds and the words popular opinion it's not really about the type of paint brush
GRAPHIC DESIGNER | ADELE on Instagram: "Paint Brush Stroke Effect in Adobe Illustrator🎨 Share and save for later✨ And let me know in the comments if you want more Illustrator tips! Follow for more design tutorials❣️ . . . . . . #graphidesign #adobeillustrator #adobetutorial #designprocess #designguide #howtomake #illustratortutorial #illustratortips #adobetool #brusheffect #customfont #paintbrushstroke" Adobe Illustrator Paint Brush, Adobe Illustrator Brush Strokes, How To Use Lettering Brushes In Illustrator, Dry Brush Adobe Illustrator, Create Brush Style In Illustrator, How To Make Brush Styles In Illustrator, Illustrator Strokes, How To Create Brush Strokes In Illustrator, Illustrator Brush Strokes
GRAPHIC DESIGNER | ADELE on Instagram: "Paint Brush Stroke Effect in Adobe Illustrator🎨 Share and save for later✨ And let me know in the comments if you want more Illustrator tips! Follow for more design tutorials❣️ . . . . . . #graphidesign #adobeillustrator #adobetutorial #designprocess #designguide #howtomake #illustratortutorial #illustratortips #adobetool #brusheffect #customfont #paintbrushstroke" Adobe Illustrator Paint Brush, Adobe Illustrator Brush Strokes, How To Use Lettering Brushes In Illustrator, Dry Brush Adobe Illustrator, Create Brush Style In Illustrator, How To Make Brush Styles In Illustrator, Illustrator Strokes, How To Create Brush Strokes In Illustrator, Illustrator Brush Strokes
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How to Create Simple Art with Paintbrush Tool in Illustrator
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How to Save Brushes in Illustrator: Keep Custom Brushes, Libraries, and Artistic Styles Forever
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How to Create a Custom Brush in Adobe Illustrator (Step-by-Step Tutorial)

Reset Illustrator Preferences

Resetting your Illustrator preferences can often resolve recurring issues. Here's how:

  1. Quit Illustrator.
  2. Hold down 'Alt + Shift + Ctrl' while relaunching Illustrator.
  3. When prompted, click 'Yes' to delete the preference file.
  4. Relaunch Illustrator with default settings.

Consider Other System Issues

Sometimes, the problem might not be with Illustrator itself but with your system. For instance, erratic mouse behavior or stylus pressure can impact the paintbrush tool's functionality. Additionally, compatibility issues with graphics tablets or drivers may cause issues.

Ensure that your system's drivers and software are up-to-date. If you're using a graphics tablet, check the manufacturer's website for driver updates and compatibility information.

If you've tried all these troubleshooting steps and the paintbrush tool is still unresponsive, it might be best to reach out to Adobe's customer support. They can provide personalized assistance and potentially identify more specific issues with your software or system.

That's it! With any luck, the above solutions will have your paintbrush tool working perfectly once more. Happy designing!