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The monitor switch is missing

Check Theme settings → Colors → Show the color mode switch, and that the Utility bar is not hidden in the Header group. The switch also shows on the password page. On phones the utility bar holds only the switch, so with the switch off the bar is hidden there.

My store opens in the wrong mode

While the switch is shown, the store uses the visitor’s own choice first, then Theme settings → Colors → Default color mode. If you clicked the monitor yourself, your browser remembers that choice: click it until it shows the default mode, which clears it. With Auto, the store follows each device’s light or dark setting. See Light and dark mode.

A section looks wrong in dark mode

Each section takes its colors from its Color scheme, and each scheme has a separate dark palette. Open Theme settings → Colors, edit that scheme’s dark colors (the settings that start with Dark mode), and check the page in both modes.

Product cards show no spec rows

Spec rows come from product metafields in the namespace specs. Check that the key is listed in Theme settings → Product cards → Spec rows exactly as written in the metafield definition, that the product has a value, and that Spec rows on cards is above 0. See Spec rows.

Compare boxes do not show

Compare boxes on cards, the hero, quick view and the product page show only once a compare page is chosen. Create a page with the page.compare template and choose it in Theme settings → Compare → Compare page; check Compare checkbox in Theme settings → Product cards too. See Compare.

The PC Builder shows no parts, or Add to a PC build is missing

  • Create a page with the page.pc-builder template and choose it in Theme settings → PC Builder → PC Builder page.
  • In the PC Builder section, each Slot block needs a Parts collection that holds products.
  • Add to a PC build shows only on products with the tag in Theme settings → PC Builder → Parts tag (pc-part on install).
  • Compatibility checks need the parts’ specs metafields. See PC Builder.

Stars do not show on cards

Card stars read the reviews.rating and reviews.rating_count metafields that a reviews app writes. Without an app, cards show no stars; check Theme settings → Product cards → Show rating too.

My reviews do not show on the product page

Reviews come from the product metafield custom.reviews, a list of Product review entries. Check that the entries are published, that they are added to the product’s metafield, and that Show the product’s reviews is on in the Below: reviews block. See Product reviews and Verified purchase.

Care+ plans are not offered

Add the plan products to the product’s custom.protection_plans metafield, and make sure each plan product is active and available on the Online Store. The Protection plans block must be in Product information. See Care+ protection plans.

The gift box is not on the Deals menu item

The gift box goes on the menu item whose title matches Theme settings → Deals → Deals menu item exactly (Deals on install). Check Animate the gift box too. See Deal highlights.

The deal countdown does not appear

The Deal countdown needs Deal ends as a date and time with a time zone offset, such as 2026-11-30T23:59-05:00. A date without the offset, in another format or in the past hides the section. It is also hidden on install until you show it. See Deal countdowns.

The vertical films do not play

Films play only while the strip is on screen, and never for visitors who ask for reduced motion or save data: they see the posters. The films must be uploaded to Shopify. See Vertical films.

Filters are missing on collection pages

Filters come from Shopify’s Search & Discovery app. Install it and add filters, and check that Enable filtering is on in the Collection section. See Filters with Search & Discovery.

Frequently bought together or the cart suggestions are empty

Both use complementary products from the Search & Discovery app. Add them per product in the app’s Product recommendations. The cart falls back to the collection in Theme settings → Cart → Suggested products.

Pickup does not show on product pages

Turn on local pickup for the location in Settings → Shipping and delivery, and keep the variant in stock there. See Pickup in store.

Gift wrapping or the gift message does not show in the cart

Choose a product in Theme settings → Cart → Gift wrapping product; leave it empty to hide gift wrapping. The gift message field shows once gift wrapping is in the cart. See Gift wrap, gift message and order notes.

A photograph or film does not show

Image and video settings use files from Content → Files. If you uploaded the same file twice, Shopify renames the copy (for example hero_1.jpg). Choose the right file again in the section’s settings.

A section I want is missing from a page

Some sections can only be added to certain pages or groups. The Age verifier and Promo popup live only in the Overlays group, and Related products only on product pages. The cart drawer, the compare tray and quick view are not sections you add: they are set in Theme settings.

The free shipping bar or the Pay in 4 line does not show

Both are off on install. Turn on Theme settings → Cart → Show free shipping progress and set Free shipping over to match your shipping rates; the bar shows only for carts in your store currency. The Pay in 4 line needs Theme settings → Product cards → Show the Pay in 4 line, Shop Pay as a payment method, and a price or cart total at least Pay in 4 minimum price.