Black screen only.

There are a few things to check. The LED lights can tell you a lot. This will tell you more about the battery:

1. On the taskbar, double-click the power cord icon or battery icon to open the Power Meter dialog box. Note: If the power cord icon or battery icon does not appear on the taskbar, click the show hidden icons button.
   
2. Press Fn+STATUS to view the power status box, which opens in the upper-left corner of the screen. The power status box shows the current power source, the battery charge level, and the power management mode.
3. Look at the battery charge indicator (if applicable).
   • LED green - Battery is fully charged.
   • LED orange - Battery is charging.
   • LED blinking red - Battery charge is very low.
   • LED solid red - Battery is malfunctioning. Note: This LED only lights up when the notebook is connected to AC power.
     
4. Press the battery meter button on the battery. The battery meter lights indicate the percentage of battery charge remaining.
5. Wait for a Low Battery warning message to appear.

If your battery charge indicator displays what looks like an inaccurate charge, you may need to recalibrate the battery.

To recalibrate the battery as mentioned, try this:

1. Connect the AC adapter and then turn on the notebook.
2. As soon as it starts and you see a startup screen, press the F2 key.
3. In the BIOS Setup utility, use the TAB key to select the Advanced menu.
4. On the Advanced menu, select Battery Auto Learning, and then press the SPACEBAR to select Enabled.
5. Use the RIGHT ARROW key to select the Exit menu. On the Exit menu select Exit Saving Changes, and then press ENTER.
6. At the Setup Confirmation prompt, select Yes, and then press ENTER.
7. The battery recalibration process begins and a screen opens showing you the progress.
8. When the recalibration has finished, and the message "Press [Esc] key to exit" appears, press Esc. The battery charge indicator now displays an accurate battery charge.

Hope this helps!!

Remove the battery. Keep pressed power button 30 seconds. Reinsert the battery. Try again.
If not let it start like this - black screen. And press ONE TIME FN and F5 until the screen comes back again. OR FN and F9.

F1 - Security System

1

Press and hold the "Fn" key on the lower left-hand corner of your Toshiba keyboard.

2

Press the "F1" key to activate the security system.

Your laptop's screen will go blank so others can't see what you are working on or accessing.

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3

Press any key or touch the touchpad to exit the security mode.

F2 - Power Save Mode

4

Press and hold the "Fn" key.

5

Press the "F2" key to activate the Power Save mode and make changes to how your laptop handles operating on battery or AC power.

6

Press "Fn" and the "F2" key again to exit the power save mode.

F3 - Standby Mode

7

Press and hold the "Fn" key.

8

Press the "F3" key to place your laptop in Standby mode.

The Standby dialog box will appear.

9

Verify you want to enter Standby mode. Press the power button on your Toshiba laptop to exit Standby mode.

F4 - Hibernation Mode

10

Press and hold the "Fn" key.

11

Press the "F4" key to activate the Hibernation mode and save whatever documents and files that are open to your hard drive.

12

Verify you want to enter Hibernation mode. Press the power button on your Toshiba laptop to exit Hibernation mode.

F5 - Active Display Device/F6 and F7 - Toshiba LCD Screen Brightness

13

Press and hold the "Fn" key.

14

Press the "F5" key to change your laptop's active display device from the laptop screen to an external monitor.

15

Click on the display configuration you want: displaying on both the laptop and external monitor; only on the laptop; only on the external monitor; or a specific screen resolution.

16

Press and hold "Fn" and "F5" to accept the new display settings. Press and hold "Fn" and "F5" again to return to your laptop's display only.

17

Press and hold the "Fn" key.

18

Press the "F6" key to decrease your laptop's screen brightness. Press the "F7" key to increase the brightness.

F8 - Wireless Connection/Bluetooth

19

Press and hold the "Fn" key.

20

Press the "F8" key to select the wireless Internet or Bluetooth connection you want to use.

21

Press and hold "Fn" and "F8" to make your selection. Release the keys to confirm your selection.

F9 - Touchpad Control

22

Press and hold the "Fn" key.

23

Press the "F9" key to enable your laptop's touchpad.

24

Press and hold "Fn" and "F9" again to disable the touchpad.

F10 and F11 - Numeric Keypad/F12 - Scroll Lock

25

Press and hold the "Fn" key.

26

Press the "F10" key to enable your Toshiba laptop's numeric keypad.

27

Press and hold "Fn" and "F11" to enable the cursor control keys on the numeric keypad.

28

Press and hold the "Fn" and "F10" or "F11" key to disable the numeric keypad or cursor control keys.

29

Press and hold the "Fn" key.

30

Press the "F12" key to lock your cursor on a specific line of text. Press and hold "Fn" and "F12" to turn scroll lock off.

hope this helps

Look at the power indicator:
If it is not lit, no power is being supplied to the computer. If the computer has a battery, it may be low and unable to power the computer. Connect the AC adapter to recharge the battey pack and make sure the AC adapter is properly plugged into the computer and to the AC power outlet.
If the power indicator is lit, check if a non-bootable (non-system) disk or USB thumbdrive is in the computer. If so, remove it and press Ctrl + Alt + Del to restart the system.

Pressing F2 by itself is only used to enter the system's BIOS on startup. If the power indicator is lit but nothing appears on the screen - The computer's power management system automatically blanks the screen to save power. Press any key to turn the display on.
If pressing any key does not turn the display back on, check the following....
1. The brightness level might be too low. Press Fn and the right cursor key to increase brightness level
2. Display device might be set to an external monitor. Press Fn and F5 to toggle to the internal display
3. Backlight might be turned off. Press Fn and F6 to turn on the backlight.
4. If the Sleep indicator is lit, the computer is in Sleep mode. Press & release power button to resume.

press fn + F5 together or one of the other F? ( ? stands for number. ie F1, F2 ect ) keys this should do it.

hope this helps

If you can still hear everything else working try adjusting the brightness, there should be keys to do this on the keyboard, if it has no effect i suspect your lcd back light has gone.

Try Screen switch function to switch from Internal screen to External monitor to Both.
Normally FN + F4 (on Compaq or FN + F7 on Lenovo check the Function symbols on your Keyboard: allow few seconds after command to refresh configuration.
try Safe mode also. to check if display shows in VGA format.

try also fn+f4

remove the battery try pressing the FN key and F4, F5, F7 (which ever your lap uses to switch between external lcd and internal screen)

Hi, could be anything to do with video. Might be the on board video card or its memory. It is also possible that your display lost its back lite and you just can see the display. Try turning the laptop on normally and let it run for a while. Try tilting the display left right up down as if trying to gaze at the inside of the display. If you can see faint traces of your desktop then it is definitely the back lite, if none then something else is at fault. Either way you will have to bring it back for repairs or replacement. You can also try checking the memory by sliding out the panel cover at the bottom of the casing. There might be a screw or two locking the cover panel in place. Try wiggling the memory a bit, might have loosen up somehow. If still a no go, then perhaps you're really better off sending it back for repairs/replacement. Hope this works out for you. Pls post again how things turn up. Good luck and kind regards.