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AR E Q U I R E D . DLL F I L E W A S N O T F O U N D — The program that you are trying to open is missing an essential file. Remove and then reinstall the program.
1 Click the Start button.
2 Click Control Panel.
3 Click Add or Remove Programs.
4 Select the program you want to remove.
5 Click Remove or Change/Remove and follow the prompts on the screen. 6 See the program documentation for installation instructions.
X :\ I S N O T A C C E S S I B L E . T H E D E V I C E I S N O T R E A D Y — Insert a disk into the drive and try again.
Video and Display Problems
If the display is blank
NOTE: If you are using a program that requires a higher resolution than your computer supports, it is recommended that you attach an external monitor to your computer.
C H E C K T H E 
L I G H T — When the 
light is blinking, the computer has power.
•If the 
light is blinking, the computer is in standby
•If the 
light is off, press the power button.
•If the 
light is on, your power management settings may have caused the display to turn off. Try pressing any key or move the cursor to exit standby mode.
C H E C K T H E B A T T E R Y — If you are using a battery to power your computer, the battery charge may be depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.
TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
C H E C K T H E AC A D A P T E R — Check the AC adapter cable connections. If the AC adapter has a light, ensure that it is on.
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