Toshiba X500-S1801 Reference Guide

54

5.375 x 8.375 ver 3.1

❖

Check that the cable connecting the external monitor to the 
computer is firmly attached.

❖

Try adjusting the contrast and brightness controls on the 
external monitor.

❖

Press 

Fn

 and 

F5

 simultaneously to make sure the display 

priority is not set for the built-in screen.

Small bright dots may appear on your screen display when you turn 
on your computer. Your display contains an extremely large number 
of thin-film transistors (TFT) and is manufactured using high-
precision technology. Any small bright dots that may appear on 
your display are an intrinsic characteristic of the TFT 
manufacturing technology. Over a period of time, and depending on 
the usage of the computer, the brightness of the screen will 
deteriorate. This is also an intrinsic characteristic of the screen 
technology. When the computer is operated on battery power, the 
screen will dim and you may not be able to increase the brightness 
of the screen while on battery power.

❖

Make sure the card is inserted properly into the slot.

See “Using an ExpressCard

®

” in the electronic user’s guide for 

information about how to insert ExpressCards.

❖

Make sure all cables are securely connected.

❖

Occasionally a defective ExpressCard slips through quality 
control. If another computer with an ExpressCard slot is 
available, try the card in that machine. If the card malfunctions 
again, it may be defective.

Here are some common problems and their solutions:

Check the ExpressCard

®

 status:

Click Start, Control Panel, System and Security, and then 
under System, click Device Manager.