Dell OptiPlex 790 View - Page 10

Drives Small Form Factor one Ultra Small Form Factor one Control Lights And Diagnostic Lights Power button light Blue light - Solid blue light indicates power-on state; blinking blue light indicates sleep state of the computer. Amber light - Solid amber light when the computer does not start indicates a problem with the system board or power supply. Blinking amber light indicates a problem with the system board. Drive activity light Blue light - Blinking blue light indicates that the computer is reading data from or writing data to the hard drive. Diagnostic lights Four lights located on the front panel of the computer. For more information on the diagnostic lights, see the Service Manual at support.dell.com/manuals. Power Coin-cell battery Voltage Mini-Tower Desktop Small Form Factor Ultra Small Form Factor Wattage Mini-Tower Desktop 3 V CR2032 lithium coin cell 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.00 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.40 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.60 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.00 A 100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.90 A 265 W 250 W 10