Dell Precision 490 Quick Reference Guide - Page 46
Help and Support Center, Microsoft Windows label - diagnostic lights 1 and 3
UPC - 683728237578
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Page 46 highlights
lights back of computer, 38 diagnostic, 20, 25, 38 hard drive activity, 19-20, 24-25 link integrity, 22 network, 22-23 network activity, 23 power, 20, 25 M Microsoft Windows label, 6 mouse connector, 22 N network connector, 23 O operating system CD, 8 reinstalling, 8 P power button, 20, 24 connector, 21, 25 light, 20, 25 problems beep codes, 36 conflicts, 32 Dell Diagnostics, 35 diagnostic lights, 38 restore to previous state, 33 Product Information Guide, 6 R regulatory information, 6 ResourceCD Dell Diagnostics, 35 S safety instructions, 6 Service Tag, 6 software conflicts, 32 sound connectors line-in, 23 line-out, 22 support website, 7 System Restore, 33 T troubleshooting conflicts, 32 Dell Diagnostics, 35 diagnostic lights, 38 Hardware Troubleshooter, 32 Help and Support Center, 7 restore to previous state, 33 U USB connector, 23 connectors, 20, 24 User's Guide, 6 W warranty information, 6 Windows XP Hardware Troubleshooter, 32 Help and Support Center, 7 reinstalling, 8 System Restore, 33 46 Index