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Guidelines
Troubleshooting black screen issues on HP Notebooks: Click here to view the instructions!
HP Recommended
Probook 4540s
Microsoft Windows 10 (64-bit)

I have this old laptop needs to be under volt the GPU and make it run in games with low temp and can't customize it in Msi afterburner
and I have a driver issue that in direct x 11 games 64 bit run 30 percent of his power and 32-bit runs very  well
and direct x 9 and lower run smother
Any help ?  

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