Power Adapter Works with HP L1720 LCD Monitor Power Payless
CJP-Geek AC Adapter replacement for HP Compaq L1720 L1750 Pavilion F70 LCD Monitor 60W Power Supply - Walmart.com
HP L1720 17.0-inch TFT multimedia Liquid Crystal Display (LCD) - 100-240VAC, 50-60Hz, requires separate AC power cord - Has 15-pin female D-sub VGA connector and Digital Video Interface (DVI-D) connector - North