Verify the ThinkPad system is powered on. If the ThinkPad system power status indicator is not illuminated, then see Troubleshooting Power issues.
Ensure the system is not in suspend mode by pressing and holding the Fn key for 10 seconds.
Toggle between the internal LCD display and an external CRT display by pressing the Fn and F7 keys simultaneously on the ThinkPad keyboard. Notes:
The Presentation Director menu window may interfere with the functionality of the Fn and F7 keystroke.
There are generally three display mode settings to toggle through (LCD, CRT, and both).
Some ThinkPad models only support two display modes. CRT only or LCD only.
Disconnect any external displays.
Power down the system. If the system is attached to a docking station or port replicator, then remove the ThinkPad system.
Verify that the display works on startup for ThinkPad A, G, R, T, X, and Z series systems. Power on the computer and then the "Press F1 for BIOS Setup Utility", "To interrupt normal startup, press the blue Access IBM button", or "To interrupt normal startup, press the blue ThinkVantage button" message is displayed at the lower left area of the screen.
Contact your local Support Center if there is still no video display on the ThinkPad LCD. Your ThinkPad may need service.
For Microsoft Windows 2000, click Start, select Settings, and then click Control Panel. Double-click Display. For Microsoft Windows XP, click Start, and then click Control Panel. Click Appearance and Themes and then click Display.
Click the Settings tab.
In the Screen Area box, increment the slider one position at a time to increase the size and click Apply until the screen is filled. Note: The most typical screen area size for ThinkPad systems is 1024x768.
Click the Advanced button to verify the advanced display settings for Monitor, Refresh rate (frequency), and Hardware acceleration. Note: The most typical advanced settings for ThinkPad systems are Laptop display panel 1024x768 for monitor, 60 Hertz for Refresh rate, and Full for Hardware acceleration.
Check the brightness setting. A lowered brightness setting may cause the display to appear dim. Press and hold the Fn key and then press the Home key to increase the LCD brightness setting.
A small number of missing, discolored, or lit all the time dots or pixels is characteristic of thin-film transistor (TFT) liquid crystal display (LCD) technology due to manufacturing process for such technology irrespective of manufacturer. If your LCD has defective pixels, it should not be considered faulty until the number of defective pixels meets or exceeds the number listed in the Pixel policy criteria.