Acer S7 screen flickers during videos and when using Microsoft Office Screen is white

Had my Acer S7-392 for about 9 months and it has a problem that i've not been able to resolve. - When on some websites or watching video's (embedded into the website like on Facebook) the picture flickers and is unwatchable. If you scroll so that a little of the video is offscreen the problem stops.- Also when using microsoft office programs the screen just goes white and I can't do anything without closing the programs via task manager. I've made sure I have all the right drivers. Intel sends me to the Acer website for the drivers and I have the most up to date of those. I have phoned microsoft and they say that it is not them and even when remote accessing the machine they cannot see a problem. I'm sure its a graphics problem as other than these two irritating issues the machine works fine. Many thanks in advance for anyones help.

Hi, I don't own an external monitor. I can take the laptop to work and use one there. If I do that and the same problem happens what does that mean? If the problem is not repeated on the monitor what does that also mean? If I can't use a monitor what else can I do? Thanks. Tom

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