Toshiba PRO L450 No display Press the FN + F5 hot keys to adjust the display, An external monitor

	Troubleshooting
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 the These marks may have come from contact with

LCD screen.the keyboard, or Touch Pad while the display 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 LCD screen dry properly before closing it.

Problems above	You should initially refer to the documentation
remain unresolved or	supplied with you software to determine if it is
other problems occur	this that is causing the problems. Alternatively
	you may wish to run the TOSHIBA PC
	Diagnostic Tool to check the general operation
	of the computer.
	If you are still unable to resolve the problem,
	contact your reseller, dealer or service provider.
Problem	Procedure
Computer does not	Check to see whether that is a floppy diskette in
boot from hard disk	the floppy diskette drive or a CD-ROM/DVD-
drive	ROM in the optical disc drive - if so remove it and
	try to start the computer again.
	If this has no effect, check the Boot Priority
	setting within the TOSHIBA HW Setup utility -
	please refer to the Boot Priority section in
	Chapter 7, HW Setup and Passwords for further
	information.
	Please refer to your operating system
	documentation in order to determine whether
	there is a problem with any of the operating
	system files or settings.

User’s Manual 9-8