For those experiencing this problem on a Dell computer, another likely suspect would be Dell DataSafe Local Backup, as per this bug: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/482757
For those experiencing this problem on a Dell computer, another likely suspect would be Dell DataSafe Local Backup, as per this bug: /bugs.launchpad .net/ubuntu/ +source/ grub2/+ bug/482757
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