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Message: <blockquote data-quote="chas_m" data-source="post: 1019788">I'd say it's pretty obvious that something is wrong with the optical drive. You could try giving it a shot or two (JUST a shot or two!) of compressed air, otherwise you'll need to fix/replace the optical drive.I use an external (firewire) superdrive when my laptop is home for exactly this reason -- my original built-in optical works fine, and I want to keep it that way. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>

Verification: How many occurrences of a n-u-m-b-e-r between "d" and "f" in this example...(sdgs6ngklu3gd#f9%)?