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I'm inserting a CD-ROM with some older software on it into the DVD drive. When the drive settles down, Windows Explorer shows the drive as E: under Computer. As soon as I click on the E: icon, the disk ejects and I get a message "Please insert a disk into drive E:". If I push it back in, Windows just pushes it back out again.

Why is it doing that?

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This can happen with a blank disk. Does explorer show data on the disk? Do you have another computer handy to test the disk with? – Bennett Dill May 14 '11 at 2:10
Post your latest edit as an answer. – Sathya May 14 '11 at 2:37

Never mind. I downloaded the latest Windows updates and restarted the PC - the problem went away.

I don't know if it was the update or just restarting that fixed it. There were only 5 updates, none of them critical.

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