Compaq Presario CQ3000 Getting Started - Page 45
Power, Display monitor, Symptom, Possible solution
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Power Symptom Possible solution Error message: Invalid system disk or Non-System disk or disk error. When drive activity stops, remove the disk and press the spacebar on the keyboard. The computer should start up. Computer does not turn off when the On button is pressed. Press and hold the On button until the computer turns off. Check Power Settings. Computer shuts down automatically. The computer may be in an exceedingly hot environment. Let it cool down. Ensure computer air vents are not blocked and internal fan is running. Note that your computer may not have an internal fan. Display (monitor) Symptom Screen is blank, and monitor power light is not lit. Screen is blank. Possible solution (In addition to the information listed here, also refer to the documentation that came with your monitor.) Reconnect the power plug to the back of the monitor and to the wall outlet. Press the On button on the front of the monitor. Press the space bar on the keyboard or move the mouse to make the screen display visible again. Press the Sleep button (select models only), or the Esc key on the keyboard, to resume from Sleep mode. Press the On button to turn on the computer. Inspect the monitor video connector for bent pins: If any of the pins are bent, replace the monitor connector cable. If no pins are bent, reconnect the monitor connector cable to the computer. Troubleshooting and Maintenance 41