Note: this procedure requires that you create an. But if you prefer to use a USB stick, please follow the instructions below. We would encourage Mac users to download Ubuntu Desktop Edition by burning a CD. Here's some instructions from How to create a bootable USB stick on OS X Checking the hash ensures that the file was not damaged during the download process and is 100% intact. For the current list of Official Ubuntu SHA256 hashes, see the SHA256SUMS file for the release you're using under (and optionally the PGP signatures in the SHA256SUMS.gpg file) hashes for the older MD5 algorithm are in the same directory. For instructions, please see HowToMD5SUM and HowToSHA256SUM. This link ( ) looks like some excellent instructions on downloading, verifying, and burning an iso (on mac/win/ubuntu), and checking the finished DVD, and a link to booting tips too.īefore burning a DVD, it is highly recommended that you verify the md5 sum or sha256 sum (hash) of the.
Using md5sum or sha256sum to verify is the standard way. If you've got any dvd-r's or rewritable dvd-rw's around that might be the easiest, there appears to be an easy way to write an iso to a disk in mac.įirst, you should verify that the Ubuntu iso downloaded correctly with no errors. I'm unfamiliar with mac's, but I'd suggest creating a Ubuntu cd/dvd/usb again using a different method. But try "step 10" (reboot with the alt/option key pressed to boot from the usb stick) if you weren't already. It sounds like the bootable usb pen drive was not created successfully, especially given the "mac told me that he could not use the pen drive" message.
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