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Try this to see if can give us some codes with it's on board diagnostics. Hold down the function button of your laptop and then the power button while still holding down the Fn/Function button on the left side of the keyboard. See if this gives you either an error message on your screen or, flashing lights above your keyboard. Pay attention, write down what lights where lit up what ones flashed, etc. This is to diagnose if the LCD isn't working. Comment back if you get either the light code or the error code on the screen. IF nothing happens try holding the Fn/Function button on the left side of keyboard and holding the F4 button, see if that makes any lights flash above your keyboard.
Go to: >Start >Toshiba >Utilities >HWSetup >Illumination >then under "Keyboard Backlight," click the radio button "FN" then check the box "On." After you reboot, you'll be able to turn the keyboard on and off by using the "FN" + "Z" keys.
The fn key is the function key. I am sure that helps a ton. The fn key works like a shift key, changing the buttons marked fn, like volume, screen brightness, etc. The use is that you press and hold the function key, and press teh function button and then release both.
Common uses are to turn off the mousepad, while typing, and to set screen brightness while under battery....
blue number etc are functions that are connected to the blue fn button in the left hand corner.
press and hold the blue fn button and at the some time one of the other buttons.
eg volume + or - for volume up and down or the moon shape for hibernate, or the sun to change the screen brightness,antenna button to switch on and of your bluetoot or wifi, or the screen button to switch on and off your external monitor port on the back etc. the blue number are your numeric keypad like on a normal keyboard this can be used in the same way by holding the blue fn button down at the same time.
There is a possibity in the system to change keyboard-type (not language): Start/Configuration/Keyboard - choose the right type. I think that the system still things the external keyboard is atached whils you're uising the built-in one - which seems to have different keycodes, causing this problem
On a laptop, the print screen button is designated by "prt sc" or "prt scn" -- look for a button in the upper right portion of your keyboard. You will need to press and hold the the Function (usually "fn") key then tap (press and release) the button with the designation for print screen on it.
This takes a "snapshot" of whatever is on your entire screen and temporarily saves it to the clipboard (like a "copy" does when you copy and paste something). If you wish to just capture the active window, hold the Function key, hold the alt key, then tap the print screen key. This only works on some laptops, not all.
The easiest way to get to the picture you just created is to open the program Paint. Once open, press and hold ctrl (control) and tap "v" - this will paste the snapshot of the screen or window. You can crop, circle things, etc in Paint, then save the file or print it.
Resynchronizing the keyboard and/or
mouse causes the devices to reconnect to the receiver using new
identification numbers. Use the following steps to resync the devices:
The following connection sequence must be completed within 60 seconds. If the sequence is not done in 60 seconds, start over.
With the receiver plugged in, press and hold the
button on the receiver until the activity LED flashes.
HP computers have receivers built into the front of the computer; such
as TouchSmart 700 Series PCs and Digital Entertainment Centers. Look
for a small connect button built into the case. If you have a
TouchSmart 500 or 800 Series PC, the receiver plugs into a USB port on
the underside of the case and does not have a connect button - skip
Figure 4: An example of a receiver1 - Connect button and LED activity lightFigure 5: Another example of a receiver1 - Connect button2 - Num Lock LED3 - Alpha Lock LED4 - Scroll Lock LED5 - Activity LED
and hold the recessed connect button on the underside of the keyboard
until the activity light on the receiver stops flashing. When you
release the button, make sure it does not stick in the depressed
problems persist after resetting AND there is another wireless keyboard
or mouse near, use these steps again, holding down the keyboard or
mouse button for ten seconds. Doing so may give the keyboard or mouse a
new ID number in case the other keyboard or mouse was using the same
button on the receiver again until the activity light flashes.
and hold the recessed button on the underside of the mouse until the
activity light on the receiver stops flashing. Make sure the connect
button does not stick in the depressed position.
If your mouse and keyboard have a USB receiver,
unplug the USB receiver, wait 10 seconds, and then insert into another USB port
- preferably into a USB port that is closer to the mouse and keyboard.
For example, if the USB receiver was plugged into a USB port on the
back of the computer, unplug it and plug it into a front USB port.
try this, on the laptop keyboard on the bottom left cornet, there should be a button that says 'Fn' written in 'blue'
also on the keyboard, there are secondary buttons, if you look on some off the buttons on the keyboard, there are some pics, numbers letter etc written in blue on the buttons, look for one that has a arrow up and beside that on the same button a picture of a sun, when found do this:
Hold Fn and click on that key with the arrow pointing up with picture of sun and tap that button repeatedly to increaseback light while holding the Fn button down firmly
1)Verify that the batteries are correctly installed in the keyboard and mouse. If possible, use a fresh set of alkaline batteries.
2)Reset the keyboard and mouse connections :
--With the receiver plugged in, press and hold the Connect button on the receiver until the activity LED flashes.
--Press and hold the recessed connect button on the underside of the keyboard until the activity light on the receiver stops flashing. When you release the button, make sure it does not stick in the depressed position.
--Press the Connect button on the receiver again until the activity light flashes.
--Press and hold the recessed button on the underside of the mouse until the activity light on the receiver stops flashing. Make sure the connect button does not stick in the depressed position.
--Make sure that the receiver is at least 20 centimeters (8 inches) away from other electrical devices (computer, monitor, keyboard, etc.).
--Remove any other objects that are between the keyboard, mouse, and the receiver, especially speakers.
Hope this should resolve the Issue.