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I was trying to install ubuntu from live-usb and I get error input/output error. I tried boot repair disk for ubuntu.

Here is the output

Any help is appreciated. I tried testdisk without any luck. No clue how to get it back.

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possible duplicate of “errno 5 - input/output error” when trying to install – Eric Carvalho Aug 19 '15 at 11:31

The I/O error is on your DVD drive. Burn a new DVD, try a slower speed and check all md5sums.

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