Hi, All,
Just to advise of a solution to this issue i encountered, a docked Dell E5410 and a usb keyboard and mouse,the video blanked out before the user login appeared, the shift key would not be bring up the hotkeys.
Once a PS2 keyboard was attached to the docking station, the shift key worked, allowing for the appropiate VGA mode hotkey, the config was saved, the laptop restarted, it now shows the screen allowing the user to input their details. I plugged back in the usb keyboard and it still boots up fine on screen.
Just putting this up in case someone comes across a similar issue.
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