If you're using the i810 driver, you can try using the newer intel driver. You can follow instructions at <https://help.ubuntu.com/community/FixVideoResolutionHowto#head-b26796d178114bd3fdea5600480d8ab3137274d1>.
If you're using the i810 driver, you can try using the newer intel driver. You can follow instructions at <https:/ /help.ubuntu. com/community/ FixVideoResolut ionHowto# head-b26796d178 114bd3fdea56004 80d8ab3137274d1>.