If you think this was useful, you may "mark it as an answer" to help those who are facing the same problem. Get back to us if you need further assistance. Restart your device to apply the changes. Type powercfg –restoredefaultschemes and press Enter.Ĭ. Open Command Prompt as an administrator.ī.
For us to investigate the issue, we'd like to know if you've made any changes prior to the issue. This causes the monitor to go into sleep mode (even though the computer isn’t sleeping). Computers that are going to sleep mode unexpectedly can also occur due to software conflicts. If the computer has not received any user input for a user-set period of time (no keyboard or mouse activity), the operating system will tell the graphics card to turn off its video outputs. Some settings on your computer might affect the power usage. You also need to be sure you have the WAKE_LOCK permission set in your manifest in order to use this method.Windows 10 keeps going into sleep mode despite settings Why does my HP vs17 monitor screen keep going to blank black screen like it. If "prevent device from going to sleep" only refers to the screen (and not keeping the CPU active) then a wake lock is probably more than you need. Monitor goes into sleep mode I have flat panel HP monitor thats only about. The documentation also contains a useful page that describes different approaches to keeping a device awake, and when you might choose to use one. Otherwise your app can potentially cause some serious battery drain and CPU usage. Ensure that you always release() the lock when you're done with it (or not in the foreground). There's also a table on this page that describes the different kinds of wakelocks.īe aware that some caution needs to be taken when using wake locks. screen and CPU will stay awake during this section PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag") Example from the docs: PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE)
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