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HP Probook 4540s - not duplicating screens
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10-10-2018 3:25pm#1¡arriba, arriba! ¡andale, andale!Join Date:Posts: 1257
Hi,
I recently rebuilt my Probook 4540s Win7 64bit, and all is fine & dandy.
Apart from one, crucial, aspect - I can no longer duplicate my screen over to another device. I've tried with a Hitachi Projector and a HP monitor. But no luck.
In device manager, there are a couple of unknown devices - see screenshot - which I just can't seem to find the drivers for.
btw - when I plug in the monitor, it does show up in 'Devices and Printers' as functioning well.
Any advice very gratefully received!
Edit: it's an Intel HD Graphics 4000 card.
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