Click the start button and locate the control panel, then once inside the control panel, look for Power (can't recall the exact name).open the power options and locate the monitor or video adapter, then next to those will be the option to select a time limit before the monitor turns off.
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Click the start button and locate the control panel, then once inside the control panel, look for Power (can't recall the exact name).open the power options and locate the monitor or video adapter, then next to those will be the option to select a time limit before the monitor turns off.