Toshiba L50b User Guide

131If Something Goes Wrong
Power and the batteries
The AC adaptor and power cord/cable work 
correctly, but the battery will not charge.
The battery does not charge while the computer is 
consuming full power. Try turning off the computer.
The battery may not be inserted correctly in the computer. 
Turn off the computer, remove the battery (if applicable), 
clean the contacts with a soft dry cloth (if necessary) and 
replace the battery. See “Removing the battery from the 
computer” on page 90.
The...

132If Something Goes Wrong
Keyboard problems
Keyboard problems
To capture a print screen of the entire screen, press the 
Fn + PRTSC key. (This only applies to models with a 
10-key keypad.)
To capture only the active window displayed, press 
Fn + ALT while simultaneously pressing the PRTSC key.
You have connected an external keyboard and the 
operating system displays one or more keyboard 
error messages.
You may need to update your keyboard driver. Refer to the 
documentation that came with the...

133If Something Goes Wrong
Display problems
❖Try adjusting the contrast and brightness controls on the 
external monitor.
❖Press 
F4 to make sure the display priority is not set for 
the built-in screen.
The screen does not look correct.
Choose a theme for your desktop background, under 
Change the visuals and sounds on your computer, in 
the 
Themes panel. You can also change the setting for 
individual components separately by selecting an item from 
just below the 
Themes panel (Desktop Background,...

134If Something Goes Wrong
Disk or storage drive problems
The display mode is set to Simultaneous and the 
external display device does not work.
Make sure the external monitor is capable of displaying at 
resolutions of 1280 x 800 or higher. Devices that do not 
support this resolution will only work in Internal/External 
mode, and not simultaneous mode.
Disk or storage drive problems
Problems with the storage drive or with external media 
usually show up as an inability to access the drive or as...

135If Something Goes Wrong
Disk or storage drive problems
5Click or touch the To o l s tab.
6Click or touch the 
Check button.
The Error Checking box appears.
The system will alert you if you need to scan the drive.
7Even if you do not need to scan the drive for errors you 
can scan by clicking or touching 
Scan drive.
Error-checking tests and repairs the storage drive.
Your hard disk seems very slow.
If you have been using your computer for a long time, your 
files may have become fragmented. Run Disk...

136If Something Goes Wrong
Optical disc drive problems
Optical disc drive problems
(Available on certain models.)
You cannot access a disc in the drive.
If the optical disc drive is an external drive, make sure the 
two USB cables or the AC adaptor cable are properly 
connected to the computer and refer to the documentation 
that came with your drive.
Make sure the tray that holds the optical disc is closed 
properly. Press gently until it clicks into place.
Open the tray and remove the disc. Make sure...

137If Something Goes Wrong
Optical disc drive problems
Some discs run correctly but others do not.
Check that the type of disc you are using is compatible with 
your optical disc drive. For more information regarding 
supported optical media formats, refer to the complete detail 
specifications for your computer at support.toshiba.com. 
If the problem is with an optical data disc, refer to the 
software’s documentation and check that the hardware 
configuration meets the program’s needs.
The disc will...

138If Something Goes Wrong
Optical disc drive problems
Blu-ray Disc™ player Technology. 
(Available on certain models.)
Compatibility and/or performance issues are possible. 
Certain interactive features may not be supported due 
to compatibility, network settings or other conditions. 
Advanced Access Content System (AACS) keys are 
integrated into your computer for copy protection 
purposes. Occasional renewal is required and will 
initially be provided at no charge. After the initial period, 
Corel...

139If Something Goes Wrong
Sound system problems
Sound system problems
No sound is coming from the computer’s 
speakers.
Adjust the volume control.
Try pressing the 
F11 key to see if volume mute is disabled.
Check that the volume control on the computer is turned up.
If you are using external headphones or speakers, check that 
they are securely connected to your computer.
The computer emits a loud, high-pitched noise.
This is feedback between the microphone and the speakers. 
It occurs in any sound...

140If Something Goes Wrong
Wireless networking problems
The printer will not print what you see on the 
screen.
Many programs display information on the screen differently 
from the way they print it. See if your program has a print 
preview mode. This mode lets you see your work exactly as 
it will print. Contact the software manufacturer for more 
information.
Wireless networking problems
This section provides general troubleshooting tips for 
networking problems, specifically wireless (Wi-Fi®)...