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Repeatedly plug and unplug the power supply to activate the battery

Repeatedly plug and unplug the power supply to activate the battery

Paradox Energy Systems – European provider of EMS, BMS, PCS remote monitoring, thermal runaway detection, and intelligent O&M for solar storage and data center power.

Global Supply

My screen brightness slightly dims when I unplug the charger.

There are only two settings in Windows that affect brightness on battery Power: Disconnect your laptop from the mains Click the Notification icon at the bottom right of your screen, then make sure Brightness is set to your preferred setting Click the Battery icon on your Taskbar, set Power Mode to Best Performance

Aug 24, 2025
Global Supply

For anyone struggling with battery issues (random shutdowns

Once in the BIOS menu, unplug the power supply. The system will not go to sleep in this mode. Let your Steam Deck sit overnight until it has shut down on its own. After the unit is on a black screen press the power button to ensure it does not boot and is fully discharged. Plug in the power supply and boot normally right away.

May 24, 2026
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power supply

A common fix that I use with clients who ask me, and whenever I am having issues, is to unplug the battery and the power cord, and press and hold the power button for 60

Aug 13, 2025
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A little confused with unplugging PC when not using. : r/buildapc

While the PC is shut down but plugged in the power supply is actually still powering the BIOS chip instead of the battery, so unplugging the PC starts draining this battery. You shouldn''t worry much about this, the battery has a pretty long life (years) and it

Dec 17, 2025
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unplug the accessory using too much power

Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide

Sep 06, 2025
Global Supply

power supply

A common fix that I use with clients who ask me, and whenever I am having issues, is to unplug the battery and the power cord, and press and hold the power button for 60 seconds to eliminate all charge built up in the computer. Then, plug in the power cord but NOT the battery. Turn on and off the computer (properly) and then replace the battery

Jun 30, 2026
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Battery 100% but still laptop is not turning on when

Windows 11 task bar icons shows 100% charge. I did confirm this by generating battery report, it too showed 100% charge. But when I unplug the charge the laptop dies. The battery was replaced 1 and 1/2 months back.

Feb 21, 2026
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When I power on my pc, the light comes on for a second, then

For the sake of diagnosing the computer don''t connect to a power bar plug directly into the wall outlet . There are several things that could be causing this issue. replace the power supply unit. this should be an easy job because the psu uses plugs that are simply inserted in and out.the plugs and sockets are also clearly marked

Dec 24, 2025
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How to power the board? · Issue #27

power via the VBUS (which is the 5V pin of USB). This is the best approach, as this will charge the battery, and if no power is applied on VBUS then the battery will power the board. As can be seen on the schematic, this is the only way to charge the battery, the +5V or +3.3V pins won''t do it.

Mar 21, 2026
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Battery discharges when plugged in to power.

Battery Test - The Battery Test checks your system to make sure that the battery is functioning properly. It tests the battery and allows you to run the calibration. The Battery Check test time is 2 minutes. Battery Calibration time is 2 to 4 hours. To run the test and for battery information, follow the steps in Battery Test.

Jun 08, 2026
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Is it ok if I unplug my pc every single time after turning it off?

Only thing you''ll do, is drain the motherboard battery a little faster, but considering those things to last like 20 years, that''s not going to be a problem. Also the power supply switch, I don''t know how many on off cycles those things are rated for, you might be better off just using a

Jun 12, 2026
Global Supply

Every time I restart my computer I have to unplug it

That is often an issue with the power supply. You can try doing a BIOS reset also, unplug system from wall power, remove the CMOS battery from the motherboard, hold in

Nov 14, 2025
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Laptop battery constantly toggle between plugged in and not

Updates can help resolve bugs that might be preventing the battery from charging efficiently. 8. Press and Release Power Button Reset Sometimes unknown glitches can prevent the battery from charging. An easy way to fix it is to power down your computer, hold down the power button for 15 to 30 seconds, plug in the AC adapter, then start the

May 11, 2026
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What should the Surface 4 Laptop battery charging settings be

To switch to a different power mode, disconnect the power supply (if it''s plugged in), then select Start > Settings > System > Power & battery > Power mode. You can also use the detailed Battery information in Windows to see which apps are using the battery power .

Feb 10, 2026
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Laptop battery constantly toggle between plugged in and not

If your battery isn''t fully charging, the first thing you can try is the Battery troubleshooter in Windows 10. Open Start > Settings > Update & security > Troubleshoot Scroll down then click Power

Nov 02, 2025
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Laptop Shuts Off When Unplugged? Try These Fixes

Now, press the power button for around 20 seconds to completely drain the residual energy. Re-install the battery and connect the power cable. Power on your system and remove the charger to see if the problem is solved. Check Power Management Settings. Windows provides the function to change the power settings on both battery and plugged state.

Apr 21, 2026
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Archlinux

I need to plug/unplug the power cord to have the battery detected. For instance, now, the battery icon tells me that no battery is connected and $ ls /sys/class/power_supply/ AC If i plug/unplug the power cord it becomes $ ls /sys/class/power_supply/ AC BAT0 How can I fix this behavior so the battery is correctly detected?

Apr 12, 2026
Global Supply

Every time I restart my computer I have to unplug it and plug

That is often an issue with the power supply. You can try doing a BIOS reset also, unplug system from wall power, remove the CMOS battery from the motherboard, hold in the power button for about 15 seconds, plug things back in and see if it works. You will likely need to go into BIOS and set the time and maybe your default boot devices back.

Jan 17, 2026
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Solved! Laptop screen goes black after power supply plugged in

If it only goes black when you plug in the charger, I would go into "Control Panel" and then "Power Options". Next to the plan that is currently selected click "Change Plan Settings". Now click "Change Advanced Power Settings".

Sep 09, 2025
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Troubleshooting

Battery not supplying power/charging. Check battery/AC adapter connection and appearance. Use the original ASUS adapter to avoid compatibility issues. If you have different

Mar 12, 2026
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Run laptop off AC power without charging battery

Some laptops permit operation with the battery removed from the battery bay. In addition to stopping charging, it prevents exposure to potentially damaging heat—heat is the main contributing factor to premature failure of laptop batteries. Both of my laptops (HP Pavilion dv6z-3000 and Clevo P157SM) can run without a battery attached.

May 29, 2026
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udev rule to start a command on AC/Battery plug/unplug event

The existing answer got me started but I figured I''d share the final result for me - my use case was to do something (actually power cycle a smart plug/relay because of a weird PSU issue) when a laptop lost AC power.

Dec 22, 2025
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Proven Solutions for ASUS Laptop Turns off When Unplugged

Unplug the power cable from the laptop and remove its battery. Step 4. Hold down the power button for about 15 seconds and then release. Step 5. Let it be for about 15

Feb 04, 2026
Global Supply

Do I need to disconnect the battery before upgrading

Once you enable it and save/exit, the laptop will power down immediately and not be able to be turned on again until you reconnect the AC adapter so you can safely perform whatever upgrades and maintenance you need. My advice is

Feb 18, 2026
Global Supply

Should I unplug the power supply to my laptop

Hi shushil giri, It is good if you remove the AC Adaptor when the battery is 100% charged as the battery life will come down. You may refer the below link which gives more information about Longevity mode and desktop modes:

Jan 30, 2026
Global Supply

Battery charged 100% but laptop powers off when unplugged

Let''s do a battery test here: Make sure the power cord and adapter is connected to the system and wall outlet. Press and hold the power button until the computer turns off

Jan 27, 2026
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PC won''t boot unless I unplug and re-plug the power supply first

As the title states, my pc won''t boot (meaning no POST, no BIOS, no beeps or lights whatsoever, only black screen and "no signal" notice from the monitor) unless I first unplug or turn off the power supply and then re-plug it/turn it back on; after this it quickly boots on his own like nothing happened, no errors or scandisk required.

Aug 12, 2025
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Power supply dies when plugged into laptop

I removed the battery from the laptop and plugged it in. No difference, it instantly drops to 0 voltage. So it appears the power supply comes on, but gets turned off instantly when

Apr 16, 2026
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PC won''t power up if the 4-pin CPU connector is connected

The only connection i have right now is the 24-pin connector for the mobo. The pc powers up properly the fans spinning for a long time. But when I connect the 4-pin for the CPU, when I press the power button, the fans (both PSU and CPU fans) only spins for a second then stops, then does it again repeatedly until I unplug the power.

Feb 08, 2026
Global Supply

Build a Cheap Power Supply for Your FPV Drone

Power Good – This status wire goes high to 5V when the PSU is plugged into the mains and when the main switch is ON. You can make a visible power indicator using this wire with an LED and a resistor. Power On –

Apr 24, 2026
Global Supply

Is it better to leave the power plug connected (and unplug it

Use it unplugged only when you can''t plug it in. And once a month or so discharge it to 50-60% and plug it in again, to keep those electrons flowing. I''ve been doing this on a mid 2012 MBP for 8 years now and the battery it''s working like new. The most unhealthy thing you can do with a lithium battery is fully discharge it, so try to

Mar 07, 2026
Global Supply

CPU power limited after unplug the power supply and plug in it

CPU power limited after unplug the power supply and plug in it again Tech Support I have a MSI GE76 Raider with a i7-11800H and a RTX3070. One day I realized that after unplugging the power supply and plugging it again, if I did a CPU stress test (with intel XTU or ThrottleStop) the frequency of the CPU drops considerably because the power of

Aug 07, 2025
Global Supply

HP Notebook PCs

The removable battery of your HP notebook might not hold a charge due to a faulty power supply or AC adapter and might need to be replaced after testing all components. If your notebook

Oct 14, 2025
Global Supply

Laptop wont turn on unless plug in, but the battery conditio...

- LED power supply keep on blinking, when battery was inserted, and its still plug in. - if i remove the battery and only plug in, the LED power supply stop blinking. Shutdown the pc & unplug from the power supply. 2. Just remove the battery. 3. Press the power button on the laptop for 30 Sec to 2 Min. 4. Bring it back the battery, Then try

Apr 20, 2026
Global Supply

Getting low battery message even though my laptop is always

Disconnect the power adapter If you can, remove the battery from your laptop Press and hold the Power button on your laptop for 30 seconds Re-insert the battery, if you removed it Re-connect the power adapter Turn on your laptop Check if your battery is charging . ..

Jul 01, 2026
Global Supply

Solved! PC only starts after discharge

* I can now unplug the power supply and everything else, hit the Reset CMOS button, wait for half an hour, and reconnect things again. Then the motherboard slowly flashes

Aug 26, 2025
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XPS 13 9343 powers off when power supply is unplugged

Lastly, after the laptop shuts down when on battery, when I plug in the power supply again it will start with a warning message that the laptop shut down due to overheating, despite the fact that the computer was completely cool.

Nov 05, 2025
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Can''t re-charge battery after unplug and plug the cable back.

In the Component Tests menu, click Power, and then click an AC Adapter Test. Click Run once. The AC Adapter Test begins. When the test is complete, the results are displayed on the screen. Battery Test: Follow these steps to perform the Battery Test: In the Component Tests menu, click Power, and then click Battery. Click Run once. The Battery

Sep 07, 2025

6 Frequently Asked Questions about “Repeatedly plug and unplug the power supply to activate the battery”

How do I fix a faulty laptop battery?

How to solve it: 1. Shutdown the pc & unplug from the power supply. 2. Just remove the battery. 3. Press the power button on the laptop for 30 Sec to 2 Min. 4. Bring it back the battery, Then try to turn it on without plugged in. Was this reply helpful? Yes No An Unexpected Error has occurred.

What if my computer's internal power supply is not working?

Your computer's internal power supply might have a problem, based on the scenario you just described. A common fix that I use with clients who ask me, and whenever I am having issues, is to unplug the battery and the power cord, and press and hold the power button for 60 seconds to eliminate all charge built up in the computer.

How do I Reset my laptop battery?

Press and Release Power Button Reset Sometimes unknown glitches can prevent the battery from charging. An easy way to fix it is to power down your computer, hold down the power button for 15 to 30 seconds, plug in the AC adapter, then start the computer.

How do I fix a battery not charging Windows 10?

Sometimes unknown glitches can prevent the battery from charging. An easy way to fix it is to power down your computer, hold down the power button for 15 to 30 seconds, plug in the AC adapter, then start the computer. 9. Disable Apps and Check Battery Usage in Windows 10

Why is my laptop battery not storing charge?

If both are present and the computer fails, this might signify internal power problems. I think your laptop battery is not storing charge any more and behave like a short to your laptop power supply circuit. I have these happened with 3 different laptops - two Dell and my daughter's Acer.

Why can't I remove a battery /charger from my computer?

If this doesn't help, you might have a defective battery. However, in normal circumstances, you should be able to remove the battery/charger as long as one or the other is present (a computer only needs one power source, two is helpful in case one fails.) If both are present and the computer fails, this might signify internal power problems.

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