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When your Canvas quiz shows a blank screen, keep studying anyway

Start with a few browser checks that often bring a quiz back. While you wait on your instructor, build practice questions from your own slides or notes.

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What to do when a Canvas quiz goes blank

A Canvas quiz blank screen usually points to something in your browser, extensions or connection rather than to your answers, so test in a second browser before assuming the course is down. Clear the cache, confirm JavaScript is enabled and turn off ad blockers, then reload once rather than repeatedly.

Test the quiz in another browser or a private window with extensions disabled.
Note the time, quiz title, course name and browser version before contacting your instructor or support.
Avoid repeated reloads during a timed quiz, since they may not restore your answers.
Generate practice questions from your own notes so you can keep studying while the quiz is unavailable.

Example Canvas quiz troubleshooting questions

A Canvas quiz opens to a blank page in one browser but loads in another. What is the fastest first check?Clear the cache or open the quiz in a private window with extensions off, because stale data or an ad blocker can stop quiz content from rendering.

Why should you avoid refreshing again and again during a timed Canvas quiz that went blank?Repeated reloads may not restore your answers, so note the time and contact your instructor or support right away.

Why does a Canvas page stay blank when JavaScript is disabled?Canvas builds much of its quiz interface with JavaScript, so a disabled script leaves the page without content to display.

Does a blank quiz screen always mean the whole course quiz system is down?No, it can be a problem on your device or browser, so testing in a second browser helps separate a personal issue from a wider outage.

What details should you save before reporting a blank Canvas quiz to support?Save the course name, quiz title, browser and version, the time of the error and a screenshot of the blank page.

Generate the full set

Questions from your material

Upload a PDF, slide deck, DOCX file or photo of notes and get multiple-choice, true/false or open questions.

Explanations for every answer

Each question comes with a short explanation, so you learn why the right answer is right.

Study without the course page

Practice in your browser on the free plan, with no need to reopen the Canvas quiz.

How it works

Try a second browser

Open the quiz in a different browser or a private window with extensions turned off to see if the problem is local.

Upload your study material

Add the readings, slides or notes the quiz covers. DeckOwl reads text from PDFs, DOCX, PPTX and images.

Practice and review

Answer the generated questions, read the explanations and repeat the weak topics until the quiz is available again.

While you sort it out, keep the material moving. Upload the same slides or readings to DeckOwl and generate multiple-choice, true/false or short-answer questions with explanations. That way the quiz content you were preparing for is still in front of you when the page comes back.

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Frequently asked questions

What should I do if my Canvas quiz is blank during a timed exam?

Note the time and quiz title, then try a second browser or private window once. Contact your instructor right away so they can confirm the problem and decide how to handle your attempt.

How can I study for a Canvas quiz if I cannot open it?

Upload the slides, readings or notes the quiz covers and generate practice questions with explanations. Answer them in order and repeat the topics you miss.

Can I export my generated questions to Canvas or Moodle?

QTI 2.1 and Moodle XML export are part of the Pro plan at $14.99 per month. PDF and DOCX export are included in Plus at $99.90 per year or $9.99 per month.

Is there a free plan?

Yes. The free plan includes 3 generations per month and lets you study in the browser, but it does not include exports. No credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.