4016 SX (250-4901) TroubleShooting Faxback Doc. # 1579 This section provides checklists to help you correct some common problems you might encounter while using your computer. Blank Screen: Check the following: * System cords are plugged in solidly. * Computer is turned on. * Monitor is turned on. * Monitor brightness and/or color is adjusted. * All jumpers and switches are set correctly. No Keyboard Action: Check the following: * Keyboard cord is plugged in solidly. * Computer power switch is pressed to the on position. * Keyboard password is enabled. Setup Problems: * System cords are plugged in solidly. * Expansion adapters are properly seated. * All jumpers or switches are set correctly. * Hardware information entered with the Setup program is correct. * CMOS RAM battery is properly connected. * Hard drive is properly initialized. Options not working: * Option's expansion adapter is properly seated. * System cords are plugged in solidly. * All jumpers and switches are set correctly. * Setup program is executed after installation. * Hardware information entered with Setup is correct. * CPU clock speed is set correctly.