Some SD cards works on X220, some doesn't work (see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/773524/comments/9). Now I'm using SD card on X220 that didn't work before.
Some SD cards works on X220, some doesn't work (see https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/773524/ comments/ 9). Now I'm using SD card on X220 that didn't work before.