425SX/433SX OMNI II (259-7706/07) Troubleshooting Faxback Doc. # 2788 This section will help you correct problems you might encounter while setting up and using your computer. SETUP PROBLEMS -Are the system cords plugged in securely? -Is the power outlet operating correctly? (Check by plugging another device into the outlet.) -Is the computer turned on? -Are all expansion adapters firmly seated? -Is the information entered with the setup utility correct? -Is the battery properly connect? Does it need to be replaced? -Is your hard drive properly configured? BLANK SCREEN -Are the system cords plugged in securely? -Are the computer and monitor turned on? -Are the video setting entered through the setup utility correct? -Have you adjusted the monitor brightness and/or contrast? -Are all switches and jumpers set correctly? -Are the IDE drive data and power cables connected correctly? NO KEYBOARD RESPONSE -Is the keyboard cord plugged in correctly and securely? -Is the computer turned on? -Is the keyboard unlocked? -Do you need to enter the keyboard password? OPTIONS NOT WORKING -Is the option expansion adapter firmly seated? -Are all system cords plugged in securely? -Are all switches and jumpers set correctly? -Was the setup utility run after installation? -Is the information entered with the setup utility correct? ROLLING DISPLAY, DISTORTED IMAGES, OR A BLANK SCREEN WHEN YOU RUN YOUR SOFTWARE -Are you using the correct video drivers for your monitor? -Is the software configured for the current video configuration? (The factory setting is VGA or EGA video.) IMAGE IS OFFSET ON MONITOR -Do you need to adjust the monitor's centering control? INABILITY TO DISPLAY HIGHER RESOLUTION GRAPHICS -Is the appropriate refresh rate selected through the setup utility? -Is the amount of installed video memory adequate for the selected resolution? (smc-12/09/93)