Dell PowerEdge M420 Hardware Owner's Manual - Page 287

5 Troubleshooting Your System Safety First-For You and Your System CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. Start-Up Routine Look and listen during the system's start-up routine for the indications described in Table 5-1. Table 5-1. Start-Up Routine Indicators Look/listen for: An error message displayed on the monitor Alert messages from the systems management software The monitor's power indicator The keyboard indicators The USB diskette drive activity indicator The USB optical drive activity indicator The hard-drive activity indicator Action See "System Messages" on page 105. See the systems management software documentation. See "Troubleshooting Video" on page 288. See "Troubleshooting the Keyboard" on page 289. See "Troubleshooting USB Devices" on page 290. See "Troubleshooting USB Devices" on page 290. See "Troubleshooting Hard Drives" on page 298. Troubleshooting Your System 287