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LED Power Button Problem A possible system board, power supply, or peripheral failure has Description occurred. Troubleshooting • Power off computer, leaving the computer plugged in. Steps Press and hold the power supply test button at the rear of the power supply unit. If the LED next to the switchilluminates, the problem may be with your systemboard. • If the LED next to the switch does not illuminate, disconnect all internal and external peripherals, and press and hold the power supply test button. If itilluminates, there could be a problem with a peripheral. • If the LED still does not illuminate, remove the PSU connections from the system board, then press andhold the power supply button. If it illuminates, there could be a problem with the system board. • If the LED still does not illuminate, the problem is with the power supply. LED Power Button Problem Memory modules are detected, but a memory power failure has Description occurred. Troubleshooting • If two or more memory modules are installed, remove Steps the modules, then re-install one module and re-start the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalledall modules without error. If only one memory module is installed, try moving it to a different DIMM connectorand re-start the computer. • If available, install verified working memory of thesame type into your computer. LED Power Button Problem Description BIOS may be corrupt or missing. Troubleshooting Steps The computer hardware is operating normally but the BIOS may be corrupt or missing. LED Power Button Problem Description A possible system board failure has occurred. Troubleshooting Steps Remove all peripheral cards from the PCI and PCI-E slots and re-start the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one. LED Power Button Problem Description Power connector not installed properly. Troubleshooting Steps Re-seat the 2x2 power connector from the power supply unit. LED Power Button Problem Description Possible peripheral card or system board failure has occurred. Troubleshooting Steps Remove all peripheral cards from the PCI and PCI-E slots and re-start the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one. LED Power Button Problem Description A possible system board failure has occurred. Troubleshooting Steps • Disconnect all internal and external peripherals, and re-start the computer. If the computer boots, add theperipheral cards back one by one until you find thebad one. • If the problem persists, the system board is faulty. LED Power Button Problem Description A possible coin cell battery failure has occurred. Troubleshooting Steps Remove the coin cell battery for one minute, reinstall the LED Power Button Problem Description Troubleshooting Steps LED Power Button Problem Description Troubleshooting Steps battery, and restart. A possible processor failure has occurred. Re-seat the processor. Memory modules are detected, but a memory failure has occurred. • If two or more memory modules are installed, removethe modules, then re-install one module and re-start the computer. If the computer starts normally, continue to install additional memory modules (one ata time) until you have identified a faulty module orreinstalled all modules without error. • If available, install working memory of the same type into your computer. LED Power Button Problem Description A possible hard drive failure has occurred. Troubleshooting Steps Re-seat all power and data cables. LED Power Button Problem Description A possible USB failure has occurred. Troubleshooting Steps Re-install all USB devices and check all cable connections. LED Power Button Problem Description No memory modules are detected. Troubleshooting • If two or more memory modules are installed, remove Steps the modules, then reinstall one module and restart the computer. If the computer starts normally, continue toinstall additional memory modules (one at a time) untilyou have identified a faulty module or reinstalled all modules without error. • If available, install working memory of the same type into your computer. LED Power Button Problem Description Memory modules are detected, but a memory configuration or compatibility error has occurred. Troubleshooting Steps • Ensure that no special requirements for memory module/connector placement exist. • Ensure that the memory you are using is supported by your computer. LED Power Button Problem Description A possible expansion card failure has occurred. Troubleshooting • Determine if a conflict exists by removing an Steps expansion card (not a graphics card) and restartingthe computer. • If the problem persists, reinstall the card youremoved, then remove a different card and restart the computer. • Repeat this process for each expansion card installed. If the computer starts n...