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- HP ProBook 470/450/430/440 G5 external display resolution an...

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10-26-2020 11:43 AM
HP ProBook 470/450/430/440 G5 supports following max resolutions with 60Hz refresh rate:
over hdmi - QWHD 2560*1440
over usbC DisplayPort 1.2 - 4K (3840*2160) + fullHD (1920*1080) at the same time using HP G5 dock and while disabling usb3 over usbC port in BIOS (to use all 4 lines for displayPort, instead of using 2 for displayport and 2 for usb3)
the information in https://h30434.www3.hp.com/t5/Notebook-Hardware-and-Upgrade-Questions/HP-ProBook-450-G5-external-dis... is incorrect
10-26-2020 02:10 PM
1. over hdmi - QWHD 2560*1440,
No, the specs does not say that, machines only have HDMI 1.4b port
2. over usbC DisplayPort 1.2 - 4K (3840*2160) + fullHD (1920*1080) at the same time using HP G5 dock
Please check pages 4-5 of the following document
https://www8.hp.com/h20195/v2/getpdf.aspx/c04168358
3. disabling usb3 over usbC port in BIOS (to use all 4 lines for displayPort, instead of using 2 for displayport and 2 for usb3)
You won't be able to do that
Regards.
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