Updated my Asus laptop and it worked perfectly in a few minutes. Thank you.
However on my main computer I get a message to say 'no updates available' and if I try to Upgrade it says 'you are already running the latest version'
EDIT.
I changed the repository in 'Lite Souces' and now it perfect thanks
Next to attack my Acer laptop which is often a mess as it has optimus prime and doesn't like nvidia and new kernels :'(
As I half expected I get a black screen with
"bbswitch: No suitable _DSM call found."
Still 2 out of 3 isn't bad
However on my main computer I get a message to say 'no updates available' and if I try to Upgrade it says 'you are already running the latest version'
EDIT.
I changed the repository in 'Lite Souces' and now it perfect thanks

Next to attack my Acer laptop which is often a mess as it has optimus prime and doesn't like nvidia and new kernels :'(
As I half expected I get a black screen with
"bbswitch: No suitable _DSM call found."
Still 2 out of 3 isn't bad