Operating the monitor, Troubleshooting, Regulatory information – Dell UltraSharp 42.51" 4K Monitor User Manual

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| Contents

Connecting the monitor for USB-C . . . . . . . . . . . . . . . . . . . . . 41

Removing the monitor stand . . . . . . . . . . . . . . . . . . 43
Wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 44

Operating the monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Power on the monitor . . . . . . . . . . . . . . . . . . . . . . 45
Using the joystick control . . . . . . . . . . . . . . . . . . . . 45
Using the menu launcher . . . . . . . . . . . . . . . . . . . . 46

Front-panel button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Using the main menu . . . . . . . . . . . . . . . . . . . . . . 49

Using the OSD lock function . . . . . . . . . . . . . . . . . . . . . . . . .66
Initial setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Setting the maximum resolution. . . . . . . . . . . . . . . . . . . . . . .73

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . 76
Common problems. . . . . . . . . . . . . . . . . . . . . . . . 77
Product specific problems . . . . . . . . . . . . . . . . . . . 79
Universal Serial Bus (USB) specific problems . . . . . . . . . 82

Regulatory information . . . . . . . . . . . . . . . . . . . . . . . . . 83

FCC notices (U.S. Only) and other regulatory information. . . 83
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . 83
EU product database for energy label and product information

sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

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