172-7 Starting Up Your Computer1. After all connection are made, close your computer case cover.2. Be sure all the switch are off, and check that the power supply input voltage is set toproper position, usually in-put voltage is 220V∼240V or 110V∼120V depending on yourcountry’s voltage used.3. Connect the power supply cord into the power supply located on the back of your systemcase according to your system user’s manual.4. Turn on your peripheral as following order:a. Your monitor.b. Other external peripheral (Printer, Scanner, External Modem etc…)c. Your system power. For ATX power supplies, you need to turn on the power supplyand press the ATX power switch on the front side of the case.5. The power LED on the front panel of the system case will light. The LED on the monitormay light up or switch between orange and green after the system is on. If it complieswith green standards or if it is has a power standby feature. The system will then runpower-on test. While the test are running, the BIOS will alarm beeps or additionalmessage will appear on the screen.If you do not see any thing within 30 seconds from the time you turn on the power. Thesystem may have failed on power-on test. Recheck your jumper settings and connectionsor call your retailer for assistance.Beep MeaningOne short beep when displaying logo No error during POSTLong beeps in an endless loop No DRAM install or detectedOne long beep followed by three shortbeepsVideo card not found or video card memorybadHigh frequency beeps when system isworkingCPU overheatedSystem running at a lower frequency6. During power-on, press key to enter BIOS setup. Follow the instructions inBIOS SETUP.7. Power off your computer: You must first exit or shut down your operating systembefore switch off the power switch. For ATX power supply, you can press ATX powerswitching after exiting or shutting down your operating system. If you use Windows 9X,click “Start” button, click “Shut down” and then click “Shut down the computer?”The power supply should turn off after windows shut down.