please help me

[eddy22m]

hello sir... i want to ask your opinion on a problem that iv been having on my pc is a gameing pc i have MSI Military class II H67MA-E45 mainboard,,intel core i5 2400 3.10Ghz Socket LGA1155 Processor.8gb ram,750w cooler master and the last 1 is MSI N560gtx-ti hawk 1 GB GDDR5 graphics card.windows 7 home 64bit...

the problem is when i watch video on youtube , movie or even doing same microsoft word work same time this happen...but when i play game for hours and hours its did not have any of this problem..this problem dont came so many time,,like 30 or 40 mint only at 1 time...when this happen than its black out the screen for not les then 1 sec.than its came back normaly...same time when this happen its stay hang forever and i have to press the reset batten and it will be ok again....GPU problem?... i try change the moniter but still the same.. and same time this happen and came back on again and this info on the right side bottem coner said (!) 

[JoePro87]

You may need to update your drivers.

[eddy22m]

how to update the drivers....coz i check its alrady up to date...

[BurstSMG]

14 minutes ago, eddy22m said:

how to update the drivers....coz i check its alrady up to date...

Then rollback the drivers, uninstall Geforce Experience and just stop updating them. They may add new bug fixes but they are so minor and usually only make it possible for Experience to change graphics settings for more games