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HP Notebook - 15-ba077na
Microsoft Windows 10 (64-bit)

Hi everyone.  I have been experiencing a black box which flashes onto the screen of my laptop about every10 minutes or so.  It looks like an error message box - but there is no text - plus it flashes so quickly I don't know the source.  I have not changed any programs - I did update BIOS about 3 weeks ago.  When I was checking the HP Support Assistant for updates, before downloading there was a box which asked to randomly send data to HP which I ticked yes for.  The black box is driving me insane as I use my laptop for work so when typing and the box flashes letters get missed out.  Plus when watching BBC iPlayer today the box kept flashing up and missed some of the programme.  I did try a system restore last night and it is still the same.  I am hoping someone can help.  I am based in the UK so a phonecall to US may be a little costly.  Also, I struggle with talking on phone due to my disability.  Asking the question on the forum was the recommended contact by HP.  Thanks

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