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HP Recommended
HP EliteBook 8570w
Microsoft Windows 10 (64-bit)

Hi there 

I have a problem on hp labtop 

When ac adaptor is connected to laptop some times display driver crash and LCD turn off (hp logo back of the lcd also goes off)

I have to force shutdown my laptop to work again 

This problem also is happening when waking up from sleep and atikmpag.sys blue screen...

I try to change to windows  7 from 10 and installed all driver provided by hp and problem still present 

when i use  on battery (ac adabtor not connected ) every thing is ok 

my ac adaptor :

hp part no .463556-001

120w

18.5 v

6.5 A

and when i connect to my laptop this massage pop up:

for full performance connect a higher capacity power adapter

please help my

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