Apple iMac A1311 (EMC 2428) 21.5-inch iMac (Mid-2011) - Spares And Repairs Only

Machine powers on but is met with a white screen and errors. Seems to be a booting error. Anyone with the right technical knowledge may know how to repair this. But listed as this for faulty. Looks to be a crack on left side but does not affect the screen. There’s a minor scratch on screen but barely visible

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