display - Connecting an HDMI monitor to a VGA laptop without losing resolution - Super User
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HP Notebook PCs - Overview of HDMI and DVI Connections for PCs | HP® Customer Support
HP EliteBook 820 G1 Quickspecs c04370576 | PDF | Laptop | Multi Core Processor
User manual HP EliteBook 820 G3 (English - 146 pages)
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How to connect to TV (video and audio) using HP Elitebook 84... - HP Support Community - 5723524
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