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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Don't get too caught up in material concerns. Yearning for expensive baubles will make you miserable. Concentrate instead on the many blessings you do enjoy, but often overlook. Lots of people would be glad to be in your position. Remember how people's luck is relative. Don't be surprised when it comes easier to acquire the things you want after practicing an attitude of gratitude. Positive energy attracts good fortune in all forms. Have faith in the Universe's endless bounty.More