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Blinks green several times and then turns off A configuration error exists. Check the diagnostic lights to see if the specific problem is identified. Solid amber The Dell Diagnostics is running a test, or a device on the system board may be faulty or incorrectly installed. If the Dell Diagnostics is running, allow the testing to complete. Check the diagnostic lights to see if the specific problem is identified. If the computer does not boot, contact Dell for technical assistance (see your computer Owner's Manual for information about how to contact Dell). Blinking amber A power supply or system board failure has occurred. Check the diagnostic lights to see if the specific problem is identified. Also, see "Power Problems" in your computer Owner's Manual. Solid green and a beep code during POST A problem was detected while the BIOS was executing. See "Beep Codes" for instructions on diagnosing the beep code. Also, check the diagnostic lights to see if the specific problem is identified. Solid green power light and no beep code and no video during POST The monitor or the graphics card may be faulty or incorrectly installed. Check the diagnostic lights to see if the specific problem is identified. See "Video and Power Problems" in your computer Owner's Manual. Solid green power light and no beep code but the computer locks up during POST An integrated system board device may be faulty. Check the diagnostic lights to see if the specific problem is identified. If the problem is not identified, contact Dell for technical assistance. See your computer Owner's Manual for information on how to contact Dell. Hard-Drive Activity Light Problem Description Suggested Resolution Solid green The hard-drive activity light is on when the computer reads data from or writes data to the No corrective hard drive. The light might also be on when a device such as a CD player is operating. action is required. Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. To help you troubleshoot a problem, your computer has four diagnostic lights labeled "1," "2," "3," and "4" on the front panel. When the computer starts normally, the lights flash. If the POST portion of system boot completes successfully, all four lights display solid green. If the computer malfunctions during the POST process, the pattern displayed on the lights may help identify where in the process the computer halted. Light Pattern Problem Description Suggested Resolution The computer is in a normal "off" condition, has successfully booted to the operating system, or a possible pre-BIOS failure has occurred. Plug the computer into a working electrical outlet and press the power button. Also see "Power Problems" in your computer Owner's Manual. A possible processor failure has occurred. Contact Dell (see your computer Owner's Manual for information about how to contact Dell). Memory modules are detected, but a memory failure has occurred. If you have two or more memory modules installed, remove the modules, reinstall one module, and then restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without error. If available, install properly working memory of the same type into your computer. If the problem persists, contact Dell (see your computer Owner's Manual for information about how to contact Dell). A possible graphics card failure has occurred. If the computer has a graphics card, remove the card, and then restart the computer. If the problem still exists, install a graphics card that you know works and restart the computer. If the problem persists or the computer has integrated graphics, contact Dell (see your computer Owner's Manual for information about how to contact Dell). A possible floppy or hard drive failure has occurred. Reseat all power and data cables and restart the computer. A possible USB failure has occurred. Reinstall all USB devices, check cable connections, and then restart the computer. No memory modules are detected. If you have two or more memory modules installed, remove the modules, reinstall one module, and then restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without error. If available, install properly working memory of the same type into your computer. If the problem persists, contact Dell (see your computer Owner's Manual for information about how to contact Dell). Memory modules are detected, but a memory configuration or Ensure that no special memory module/memory connector placement requirements exist (see "Memory"). compatibility error exists. Verify that the memory modules that you are installing are compatible with your computer (see "Memory"). If the problem persists, contact Dell (see your computer Owner's Manual for...