Toshiba P770 user manual Problem, Procedure, display device in extended desktop mode, it will not

	Satellite P770/P775/P770D/P775D
Problem	Procedure
Monitor does not	After confirming that the monitor's power switch is
turn on	on, you should check the connections to make
	sure that the power cord/adaptor is firmly
	connected to the monitor and to a working power
	outlet.
No display	Try adjusting the contrast and brightness controls
	on the external monitor.
	Press the FN + F5 hot key in order to change the
	display priority and ensure that it is not set for the
	internal display only.
	Check to see if the external monitor is connected.
	When the external monitor is set as the primary
	display device in extended desktop mode, it will not
	display when the computer wakes up from Sleep
	Mode if the external monitor has been
	disconnected while in Sleep Mode.
	To keep this from happening, do not disconnect
	the external monitor while the computer is in Sleep
	or Hibernation Mode.
	Remember to turn off the computer before
	disconnecting the external monitor.
	When the display panel and an external monitor
	are set to clone mode and they are turned off by
	the timer, the display panel or the external monitor
	may not display when turned on again.
	If this occurs, press FN + F5 to re-set the display
	panel and external monitor to clone mode.
Display error occurs	Check that the cable connecting the external
	monitor to the computer is firmly attached.
	If you are still unable to resolve the problem,
	contact TOSHIBA Support.

LAN

Problem	Procedure
Cannot access LAN	Check for a firm cable connection between the
	LAN jack and the LAN hub.

User's Manual 6-15