Add to cart not working - Dawn Theme

Technical Q&A

Topic summary

Issue: Multiple users report non-functional “Add to Cart” buttons on Shopify stores using the Dawn theme.

Initial Solution (RasmusUG’s case):

  • Problem resolved by removing specific CSS code from the global.js file
  • Steps: Store Admin → Online Store → Themes → Edit Code → Open global.js → Delete problematic CSS at bottom → Save
  • A screenshot was provided showing the exact code to remove

Additional Cases:

  • Rainmaker: Experiencing site-wide cart button failures across different themes

  • Suggested fix: Disable the “Zipify OneClickUpsell” app via Theme Customize → App Embeds

  • Emily622: Cart button stopped working after theme update and option set changes

  • No solution provided yet; awaiting assistance

Status: The original issue is resolved, but similar problems persist for other users with potentially different root causes (conflicting apps, theme updates). The thread remains active with ongoing troubleshooting.

Summarized with AI on November 2. AI used: claude-sonnet-4-5-20250929.
5

Hi @Rainmaker

Please try to disable your zipify oneclickupsell app from Online Store > Theme > Customize > App embeds and try again.