I am Pete, and I'll be happy to assist with your question today.
What type of tablet is it?
Samsung galaxy 2 10.1 gtp 5110
Ok, what do you see on the screen when you try to reboot it?
first it tell me in white letter that is a Samsung tablet then it gives a blue ring which turns into an oval with SAMSUNG IN middle then it just keepe repeating
Ok, so it is stuck in a boot loop.
This indicates that the firmware may be corrupted.
Did the update complete fully, or was it interrupted?
yes I think so.
Ok, then something has gone wrong with the update.
The only way to recover the tablet is to restore it to its factory settings.
This will wipe all content that is stored on it
which I think I have done
You have already performed a factory restore?
What method did you use for this?
on button and sound up button held down together
Then which option did you select?
then pressed factory reset
Ok, sometimes the reset does not work first time.
How many times have you tried it?
shall I try again
Yes, it should give a confirmation message also.
it certainly didn't do that
Ok, then something may be wrong with the setup files in the tablet.
How old is it?
Where was it purchased from?
currys about 15 months
All goods bought in the EU have an automatic 2 year warranty.
so you think I should take it back then
Yes - they will either repair or replace it for you.