Check the power specs for your monitor at the Dell website. There are many. many Dell monitors.
To save power
Standby, power mode
Control Panel --> Power Options
It's cheaper to add a 17 inch monitor to an existing system. In addtion, if the monitor has IR Transmit, that would be even more convenient. You can see this one on Eonon. The cost is very low.http://www.eonon.com/Flip-Down-Monitor-or-DVD-Player/E0618A.html?utm_source=wiki.answers.com&utm_medium=answer&utm_campaign=answer
Hard drive and monitor.
An Energy Star 15" monitor will use around 12 watts operating and around 1 watt or less in sleep mode.
The Samsung Galaxy S5 Active does have a power saver mode. This phone features a 5.1-inch high definition display.
monitor mode is only available in forge mode and when you are in it you can spawn alot of stuff such as cars, scenary, weapons, teleporters, and spawn points.
set mode
Diagonally.
In S1 (sleep mode) only the hard drive and monitor are shut off, everything else runs normally.Page 112 in A+ Hardware Managing, Maintaining, and Troubleshooting.
line mode, histogram bar mode, and report mode