Toshiba Hard disk drive, Internal display panel

C670/C670D/L770/L775/L770D/L775D

Internal display panel

Apparent computer's display panel problems may be related to the computer's setup and configuration - please refer to the HW Setup section in Chapter 4, Utilities & Advanced Usage, for further information.

Problem	Procedure
No display	Press the FN + F5 hot keys to adjust the display
	priority, and to make sure it is not set for output to
	an external monitor.
Markings appear on	These marks may have come from contact with the
the computer's	keyboard and Touch Pad while the display panel
display panel.	has been closed. You should try to remove the
	marks by gently wiping the display panel with a
	clean dry cloth or, if this fails, with a good quality
	LCD screen cleaner. In this latter instance you
	should always follow the instructions with the
	screen cleaner and always ensure you let the
	display panel dry properly before closing it.

Hard disk drive

Problem	Procedure
Computer does not	Check to see whether there is a disc in the optical
boot from hard disk	disc drive - if so remove it and try to start the
drive	computer again.
	If this has no effect, check the Boot Priority
	setting within the TOSHIBA HW Setup utility -
	please refer to the Boot Setting section in Chapter
	4, Utilities & Advanced Usage for further
	information.
Slow performance	The files on the hard disk drive may be fragmented
	- in this instance you should run the disk
	Defragmentation utility to check the condition of
	your files and the hard disk drive. Please refer to
	the operating system's documentation or online
	Help File for further information on operating and
	using the Defragmentation utility.
	As a last resort you should reformat the hard disk
	drive and then reload the operating system and all
	other files and data. If you are still unable to
	resolve the problem, contact TOSHIBA Support.

User's Manual 6-7