Common Issues
Solutions for common AssisT problems — features not working, performance issues, and more.
Quick Fixes
Before diving into specific issues, try these universal solutions:
- Refresh the page — Many issues resolve after a reload
- Restart Chrome — Clears stuck extension states
- Check if feature is enabled — Toggle it off and on in the popup
- Update the extension — Go to
chrome://extensions, enable Developer Mode, click Update
Installation Issues
Extension Won’t Install
Symptoms: Install button doesn’t work, error message during install.
Solutions:
- Check Chrome version — AssisT requires Chrome 88+
- Clear Chrome cache: Settings → Privacy → Clear browsing data
- Disable other extensions temporarily
- Try installing from Chrome Web Store in Incognito mode
- Restart Chrome and try again
Extension Icon Missing
Symptoms: AssisT installed but icon not in toolbar.
Solutions:
- Click the puzzle piece icon in Chrome toolbar
- Find AssisT in the list
- Click the pin icon to keep it visible
- If not in list, check
chrome://extensionsto verify installation
Extension Keeps Disabling
Symptoms: Extension turns off after browser restart.
Solutions:
- Check if your organization manages Chrome (enterprise policy)
- Verify extension isn’t corrupted: remove and reinstall
- Check Chrome settings for extension management restrictions
- Some antivirus software blocks extensions — add exception
Text-to-Speech (TTS) Issues
No Sound
Symptoms: TTS enabled, press play, no audio.
Solutions:
- Check system volume isn’t muted
- Check Chrome’s site-specific volume (click lock icon → Site settings)
- Try a different voice in TTS settings
- Test with another website
- Restart Chrome
TTS Stops Mid-Sentence
Symptoms: Reading starts then stops unexpectedly.
Solutions:
- Click back in the page window (focus may have shifted)
- Check if page has auto-refresh or dynamic content
- Press
Ctrl+Shift+Spaceto resume - For PDFs: try Reading Mode first
Voice Sounds Wrong
Symptoms: Robotic, wrong language, or distorted voice.
Solutions:
- Select a different voice in TTS settings
- Install better voices through your OS settings
- Adjust pitch and rate slightly
- Windows: Install neural voices from Settings → Time & Language → Speech
Highlighting Not Following
Symptoms: TTS plays but word highlighting doesn’t work.
Solutions:
- Check “Highlight enabled” in TTS settings
- Refresh the page
- Some dynamically-loaded content doesn’t support highlighting
- Try Reading Mode for consistent highlighting
Speech-to-Text (STT) Issues
Microphone Not Working
Symptoms: Click microphone, nothing happens.
Solutions:
- Check Chrome has microphone permission:
chrome://settings/content/microphone - Select correct microphone in Chrome settings
- Test microphone in another app
- Check if another app is using the microphone
- Restart Chrome
Low Recognition Accuracy
Symptoms: Words transcribed incorrectly.
Solutions:
- Speak clearly and at moderate pace
- Reduce background noise
- Get closer to microphone
- Try a different browser microphone
- Add problem words to custom vocabulary
Voice Commands Not Recognized
Symptoms: Commands like “delete last word” don’t work.
Solutions:
- Speak command clearly after brief pause
- Check voice commands are enabled in settings
- Use exact command wording (see reference guide)
- Some commands only work in specific contexts
Reading Mode Issues
Reading Mode Won’t Activate
Symptoms: Click Reading Mode, nothing happens.
Solutions:
- Some pages don’t have readable content (login pages, apps)
- Try on an article page with body text
- Refresh and try again
- Press
Alt+Ras alternative activation
Content Missing in Reading Mode
Symptoms: Article text incomplete or missing sections.
Solutions:
- Page may use unusual markup
- Dynamic content may not be captured
- Try selecting specific text before Reading Mode
- Some paywalled content can’t be extracted
Visual Features Issues
Dark Mode Not Working
Symptoms: Toggle Dark Mode, page stays light.
Solutions:
- Some sites override dark mode with
!importantCSS - Try different Dark Mode preset
- Use Screen Overlay as alternative
- Some web apps (Gmail, Google Docs) have their own dark mode
Color Overlay Not Visible
Symptoms: Toggle overlay, no color change appears.
Solutions:
- Increase overlay opacity
- Check if Dark Mode is also active (may conflict)
- Some sites use complex layering that blocks overlays
- Try Reading Mode + Overlay combination
Font Changes Not Applying
Symptoms: Select font, text doesn’t change.
Solutions:
- Some sites force fonts with
!importantCSS - Refresh page after changing settings
- Try “Force colors” option
- Reading Mode applies fonts more reliably
Focus Mode Issues
Spotlight Not Appearing
Symptoms: Enable Focus Mode, no dimming or spotlight.
Solutions:
- Check if another overlay feature is active
- Refresh the page
- Try
Alt+Ftoggle - Move mouse to trigger spotlight
Spotlight Too Small/Large
Symptoms: Can’t see enough content in spotlight.
Solutions:
- Use
+and-keys to resize - Adjust size in Focus Mode settings
- Try different spotlight shape (Circle → Rectangle)
Annotation Issues
Notes Disappearing
Symptoms: Create notes, they’re gone on page refresh.
Solutions:
- Annotations are URL-specific — check you’re on same page
- Check if URL changed (www vs non-www, http vs https)
- Verify notes in “View Annotations” panel
- Clear browser cache may remove notes — export regularly
Can’t Create Notes
Symptoms: Shortcut or button doesn’t create note.
Solutions:
- Check Annotations feature is enabled
- Try clicking page first to ensure focus
- Some interactive pages block note creation
- Try creating from highlight menu instead of shortcut
Performance Issues
Extension Making Chrome Slow
Symptoms: Chrome lags when AssisT is enabled.
Solutions:
- Disable features you’re not using
- Reduce number of simultaneous features active
- Check Chrome Task Manager (
Shift+Esc) for memory usage - Restart Chrome to clear accumulated memory
- Disable on heavy sites (social media, video sites)
High CPU Usage
Symptoms: Fan spinning, computer hot when using AssisT.
Solutions:
- TTS with highlighting uses significant CPU — reduce on weak devices
- Disable features when not needed
- Close other resource-heavy tabs
- Some features + complex pages = high load
Page Load Delays
Symptoms: Pages take longer to load with AssisT.
Solutions:
- Disable “Auto-apply” features
- Let page fully load before enabling features
- Some features analyze page content on load
- Consider using features on-demand rather than always-on
Keyboard Shortcuts Not Working
Shortcut Does Nothing
Symptoms: Press shortcut, feature doesn’t activate.
Solutions:
- Check feature is enabled first
- Click in page content (not address bar or other UI)
- Another extension may use same shortcut
- Check shortcut hasn’t been customized differently
- Some shortcuts only work in specific contexts (modals, etc.)
Shortcut Conflicts
Symptoms: Wrong action happens when pressing shortcut.
Solutions:
- Go to AssisT Settings → Shortcuts
- Change conflicting shortcut to new key combination
- Check Chrome’s global shortcuts:
chrome://extensions/shortcuts - Disable conflicting extensions
Reset and Recovery
Reset All Settings
If AssisT is behaving strangely:
- Click AssisT icon
- Click Settings (gear icon)
- Scroll to bottom
- Click Reset to Defaults
- Confirm reset
- Reconfigure preferences
Complete Reinstall
For persistent issues:
- Go to
chrome://extensions - Find AssisT
- Click Remove
- Restart Chrome
- Reinstall from Chrome Web Store
- Reconfigure settings
Note: Reinstalling removes saved annotations and custom settings. Export settings first if possible.
Getting More Help
Information to Include
When reporting issues, include:
- Chrome version (
chrome://version) - AssisT version (from popup footer)
- Which feature is affected
- Steps to reproduce the issue
- Screenshot if visual issue
Contact Options
- Documentation: Browse our full documentation
- Browser Compatibility: Check compatibility guide
- Known Issues: Check GitHub issues page
For Educators & Parents
Student-Specific Troubleshooting
| Issue | First Check |
|---|---|
| ”It’s not working” | Is the feature toggled on? |
| ”I can’t hear it” | Check system volume, headphones |
| ”It looks different” | Different Chrome profile/device |
| ”My notes are gone” | Different URL or Chrome profile |
Classroom Checklist
Before class:
- AssisT installed on all devices
- Features tested on lesson content
- Students know how to enable needed features
- Backup plan if technology fails
When to Escalate
Contact IT support if:
- Extension won’t install (may be organization policy)
- Consistent issues across multiple students
- Features that worked before suddenly don’t
- Error messages you don’t understand