Dell S2421Ho User Manual page 4

Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 22
Connecting the stand . . . . . . . . . . . . . . . . . . . 22
Using the tilt . . . . . . . . . . . . . . . . . . . . . . . . 25
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 . . . . . . . . . . . . . . . . . . . . . 34
Using the On-Screen Display (OSD) menu . . . . . . . . 35
Accessing the menu system . . . . . . . . . . . . . . . . . . . . 35
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . 46
Setting the maximum resolution . . . . . . . . . . . . . . . . . . 49
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 51
Common problems . . . . . . . . . . . . . . . . . . . . . 52
Product specific problems . . . . . . . . . . . . . . . . . 54
Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
FCC notices (U.S. only) and other regulatory information 55
Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 55
EU product database for energy label and product
information sheet . . . . . . . . . . . . . . . . . . . . . 55
4 | Contents