Why is a laptop battery running out?
How to save your notebook battery
Tip 4: cure a sick laptop battery
Myth: You can rejuvenate your worn out notebook battery.
That is not actually possible. You can't let old lithium store more electrons than it can currently manage. But if the battery discharges very quickly in an unexpected way or if your notebook has problems determining the actual remaining power, you can improve the "fuel gauge" of your battery so that it shows the remaining power more precisely.
If you suspect that the battery cannot correctly tell you whether it is charged or not, let the battery go through several charging cycles. First, let the battery discharge completely (yes, this is the exception to the "don't let your battery discharge completely" rule we discussed earlier). After that, fully recharge the battery up to 100% and repeat this process.
But how is the battery supposed to drain completely if Windows won't let me just do it? Disconnect your notebook from the power supply and let it run (of course you can work on it during this time if you want) until it automatically goes into sleep mode. Now you have to outsmart Windows to completely discharge the laptop battery: To do this, restart your system and go directly to the setup menu.
To do this, you need to press a specific key when booting up. Pay attention to the initial messages during the boot process, the following text appears, "Press the X key for setup". Press this button to enter the setup menu. It may take a few tries to get the timing right. If the remaining power of your battery is no longer sufficient to start again, connect the power supply unit until you are in the setup program and disconnect your notebook from the external power source.
Leave your notebook in this setup menu until it switches off. This can take quite a while (up to 45 minutes), as the setup requires significantly less power than Windows. If your notebook has switched off, reconnect it to the mains and wait a few hours until you are sure that the battery is fully charged before restarting Windows.
Repeat this process a time or two. With luck and good care, your notebook battery will still be usable when you are looking for a new notebook.
Tip 5: Extend the time between two charging cycles
The previous tips should extend the overall life of your battery. But for everyday use you are much more interested in a different type of battery life: How long can I use my notebook without an external power source? You are probably already familiar with most of the tips, but there's no harm in refreshing (or recharging) your knowledge.
Darken your screen
The backlight of your notebook uses a lot of electricity. You should therefore set your screen so dark that you can just barely read it comfortably.
Close unnecessary programs
Shut down your bluetooth; if you do not use the Internet, also close your WLAN receiver. Avoid external mice or other external devices. And if you put your notebook on mute, you save electricity and you don't disturb other people in the café.
Only run the programs you need to run. If possible, limit yourself to one application (writing program, browser or other) that you are currently using plus an antivirus program and a firewall in the background. If you are not on the Internet, you can also close these applications.
Avoid multimedia applications
Save yourself the chores like photo editing or watching old videos for when you're on the grid. If you need to listen to music, the best thing to do is to use your iPod (or similar device).
Tip 6: When do I use "Sleep" or "Energy Saver" mode?
You should think about this question if you want to save energy by putting your notebook into "sleep" or "energy saving" mode. There are differences between the modes. XPs Standby and Windows 10s, Vistas and Windows 7 "Energy Saving" leave the computer on so that it continues to use some power but less than during normal use.
In the hibernation mode, the computer saves the current settings on the hard drive and then shuts down completely so that no electricity is used. On the other hand, Windows takes much longer to wake up from hibernation, sometimes even minutes. And during this time your notebook consumes a lot of electricity and you still cannot work.
XP's "standby" mode is not very effective. If you are not going to use your notebook for more than half an hour, it is better to use the "hibernation" mode. The standby mode is preferable for shorter times.
But Windows 10, Vista and Windows 7 have implemented "energy saving" much better. Because of this, you shouldn't mess around with "hibernate" mode unless you won't be using your notebook for more than two to three hours.
Myth: More RAM extends battery life.
That's true. Because more RAM means that less hard drive has to be accessed - and the hard drive consumes a lot of power. But RAM itself also needs electricity. If you use many programs at the same time (which you should avoid if you are working without an external power source), more RAM will not reduce the use of the hard disk - your notebook will therefore need more power.
The Original articlecomes from Lincoln Spector from our sister publicationPCWorld.
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