A representative for the rapper said a truck that carried the screen was in an accident that "damaged the gear beyond repair". The vehicle was on its way to Vancouver.
He said in a statement that it would be "impossible" to put on a show until the screen is repaired.
Thursday's show in Vancouver and next week's shows in Denver and Minneapolis were postponed.
Kanye's tour kicked off this month in Seattle.
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Expressing your creative side is strongly advised. Take this opportunity to write, paint or play music. Relatives may not appreciate your work, but that doesn't matter. The important thing is to satisfy your own taste. People who are daring and experimental will appreciate your efforts. Don't be surprised if you're given a chance to showcase your work in a magazine, boutique or gallery. Fame and acclaim can be yours, so long as you're willing to follow your instincts.More