Dell S2421H User Manual page 4

Connecting your monitor . . . . . . . . . . . . . . . . . 26
Organizing your cables . . . . . . . . . . . . . . . . . . 27
Securing your monitor using Kensington lock (optional) . 27
Removing the monitor stand . . . . . . . . . . . . . . . 28
Wall mounting (optional) . . . . . . . . . . . . . . . . . 29
Operating the monitor . . . . . . . . . . . . . . . . . . . . . . 30
Power on the monitor . . . . . . . . . . . . . . . . . . . 30
Using the front panel controls . . . . . . . . . . . . . . . 30
Using the OSD lock function . . . . . . . . . . . . . . . 32
Front-panel button . . . . . . . . . . . . . . . . . . . . . 35
Using the On-Screen Display (OSD) menu . . . . . . . . 36
Accessing the menu system . . . . . . . . . . . . . . . . . . . . 36
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . 47
Setting the maximum resolution . . . . . . . . . . . . . . . . . . 50
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 52
Common problems . . . . . . . . . . . . . . . . . . . . . 53
Product specific problems . . . . . . . . . . . . . . . . . 55
Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
FCC notices (U.S. only) and other regulatory information 56
Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 56
EU product database for energy label and product information
sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4 | Contents