![]() This output shows the same information from the HTML report, but is updated in real-time. Use the Tab key to navigate between pages, and the arrow keys to scroll. Will start powertop in an interactive monitoring mode. It can be installed by running this command in the terminal: Powertopis a tool for generating reports about what applications and hardware are using the most power, as well as providing live monitoring of the system. If a system's battery isn't lasting as long as expected, it can be useful to see what the system is doing to go through the charge more quickly. The more CPU and/or GPU a program is using, the more battery life it will consume as well. Pop!_OS has a number of different options for monitoring the CPU and GPU use of processes and applications. They can be disabled individually via the Wi-Fi and Bluetooth panels in the Settings application by toggling the switch at the top of the window, and Airplane Mode is available underneath it on the Wi-Fi settings panel: If you're not using them, disabling either Wi-Fi or Bluetooth can improve battery life, and the Airplane Mode setting will disable both for maximum savings. Wi-Fi and Bluetooth are wireless technologies that use up a small amount of power even when they're not being used, as they monitor for wireless network activity. Switching graphics modes does require restarting the laptop, which will use up some battery life in the process, so it's recommended that the graphics mode be switched before disconnecting from the AC adapter. Compute mode reserves the NVIDIA GPU for tasks that don't output graphics to the screen, like machine learning or data crunching processes.NVIDIA graphics mode runs everything on the NVIDIA GPU for maximum perormance, and will use the most battery.Hybrid graphics allow you to choose to use the more powerful NVIDIA GPU when needed, but applications will default to using the lower-power Intel graphics.Integrated Intel graphics mode will provide increased battery life at the cost of 3D performance, and some laptops will not support external displays in that mode.The settings for the graphics modes on laptops that have switchable NVIDIA graphics are outlined in detail on their own support document, but to summarize: The Battery Life setting will do a number of things to improve battery life, including reduce the screen brightness (which can be turned back up as described above if desired), reduce the maximum speed of the CPU (and any GPUs if present), aggressively control how applications are allowed to use the CPU and GPU, and much more under the hood. When maximum performance is needed, the High Performance setting will uncap everything and let the system run as hot and power-hungry as it wants, which can dramaticaly reduce battery life and may also increase the noise made by the system fan(s). ![]() The system will default on each startup to the Balanced setting, which is usually preferred even when connected to AC power as it helps keep the system running cool and quiet. This screenshot is from a laptop that has switchable NVIDIA graphics, and a laptop that has only Intel graphics will not have those options. Changing power profiles does not require rebooting the laptop. Pop!_OS comes preloaded with the system76-power package, which allows you to select Power Profiles through the System Menu, as shown in the image below. Our laptops don't currently have an ambient light sensor, but brightness can be adjusted manually via the System Menu (see screenshot below) or with the keyboard shortcuts for each individual laptop model, which can be found on the "External Overview" pages of each model's technical documentation. Up to 10% more battery life can be gained by reducing display brightness. ![]() One of the largest consumers of laptop power is the display backlight. ![]() Choosing the right options to match your work or play style can help keep you away from the wall socket. Pop!_OS does a lot to conserve the battery life of your laptop just by default, but there's additional things to be aware of that can stretch that battery life even longer. ![]()
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