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Laptop Turns On And Off

Any user may encounter both hardware and software problems of all sorts while working with a laptop or a desktop computer. And it has to be noted that laptops are subjected to a more complex malfunctions since these devices are much more complicated than a system unit with a monitor. The most unpleasant and difficult situation is when some error does not allow the system to boot. One of such errors that can be encountered is when your computer shuts down before Windows starts or immediately after it. In this article, we will tell you why your laptop turns on and immediately off, and what to do if you are facing such a problem.

Laptop turns off because of hardware malfunctions

It is not an easy task to arrange all the necessary components in the laptop case especially because doing that one has to think really carefully how and where to place cooling system. That is why quite often various laptop elements simply fail. Let’s take a closer look at the main malfunctions that may lead to a spontaneous shutdown at boot.

Update Network Adapter Drivers. In many cases, the problem of WiFi disconnecting randomly can. Laptop turns off or won't turn on Unless holding down certain keys. Thread starter DemonVenom. I have a Toshiba Laptop that will not turn on unless you are holding EITHER the Ctrl, Shift.

But there is no such button present in laptops and here are a few steps that can reprogram your laptop’s power button to turn off laptop’s screen in Windows 10. Open Control Panel by typing it in the search box located on the left bottom of the taskbar. Laptop shuts off in about 3 seconds of turning on: Laptop Tech Support: 4: Mar 18, 2020: D: Question Lenovo Ideapad Dead - Sudden shutdown, can't charge or turn on. Laptop Tech Support: 1: Jan 20, 2020: Solved! Laptop sometimes turned off suddenly: Laptop Tech Support: 5: Dec 22, 2019: R: Question laptop suddenly shut down and wont turn on.

Hard drive

Damage to the HDD or SSD may occur for various reasons, for example, due to physical damage if laptop falls down. Another common cause of hard drive failure is a sudden shutdown of a laptop, due to which the drive must make an emergency stop.

If the hard drive itself or the operating system files on it were damaged, the laptop may turn itself off before it is fully loaded. In such a situation, it is recommended to check the hard disk by installing it into another computer (meaning the one that has no problems at boot).

CPU malfunctions

A common reason for a laptop to turn on and then immediately off is CPU overheating. In most cases, it occurs due to the absence of thermal paste (or it might be present but way too dry). If this is the case, you will need to replace the thermal paste, which can be done independently, if there are no difficulties with laptop disassembling.

It is much worse when the CPU overheats not because it is lacking thermal paste, but because of poor cooling when both – coolers and radiators – do not work properly. In this case, it is necessary to determine the cause of their failure and repair or replace them. There may be problems with replacing coolers in a laptop, because often it is quite difficult to find laptop parts if it is not of the most common model.

Dusty laptop

According to the recommendations of all laptop manufacturers, every 6 months these devices must be sent to a service center for professional cleaning. This will allow the laptop to work as long as possible, without having problems with overheating. If the coolers of a portable computer are very dirty, all its components (CPU, graphics processor, hard disk, and so on) will overheat almost instantly after you turn your laptop on. As a result, there will launch an overheating protection which will make your computer to shut down.

The easiest way to fix this problem is to disassemble the laptop and clean it properly.


Laptop Turns On And Off

Most often, the laptop turns on and immediately off due to the battery malfunction. Many users are buying laptops to use them constantly at home or in the office. So they are working on these devices with both – battery and power supply – connected constantly and simultaneously. This kind of operation is an emergency mode for the battery, and because of it the battery life most likely will be greatly reduced. If the battery ceases completely to hold the charge, your laptop may turn off immediately after you turned it on.

It should be noted that this problem may appear not only because of strong battery deterioration. It also takes place if, for example, the battery terminals are oxidized and the necessary voltage cannot pass through them.

Short circuit

A short circuit may occur in the laptop motherboard for two reasons: the electrical network is unstable or the battery is not working properly. Most often the short circuit leads to the burning of motherboard capacitors, which is a serious problem. In this situation you most likely will not be able to repair your laptop on your own so it will be a lot better to take it to a reputable service center.

Faulty power supply unit

Power supply unit malfunctions may also be a reason for your laptop to turn off immediately after it was turned on. It is necessary to check the indicator on the laptop’s power supply unit. Depending on the laptop model, it may work in different ways. Most often, the indicator should just turn green, and if it flashes, for example, you may assume that there is some sort of malfunction and probably consider replacing the power supply cable or the whole unit.

Laptop shuts down at boot because of software problems

If your laptop shuts down immediately after it was turned on due to software malfunctions, most often these are problems related to BIOS. For example, malware could set BIOS settings so that your computer will automatically shut down after a certain amount of time. It is recommended to go to the BIOS settings and reset them to default values ​​in order to solve the problem.

Laptop Turns On And Off

If the laptop shuts down when booting due to some problems with Windows, you may try to restore the files integrity or reinstall the operating system.

Summary :

A great many users complain that their laptop turns off when unplugged. This issue often occurs after updating the laptop to Windows 10. If you are trying to resolve it, then you come to the right place. This post of MiniTool summarizes several solutions for you.

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According to many user reports, the “laptop turns off when unplugged” issue often appears after updating to Windows 1809 version. In addition, there are some other factors that can trigger the problem including a faulty battery, outdated battery driver, and power settings. After analyzing extensive user reports and articles, we summarize the following 5 solutions.

A great many users report that their computer goes to sleep too fast. Have you come across this issue? There are several tested and effective methods to fix it.

Fix 1. Power Reset the Laptop

As you know, performing a power reset can help fix many battery issues like the ASUS battery not charging. By doing so, it can reduce the amount of power stored in hardware components. If your laptop shuts off when unplugged, you can try this method.

Step 1. Shut down your laptop entirely and make sure that you have backed up your work before you do.

Step 2. Remove all connected peripheral devices from your laptop such as USB drive, Bluetooth, and so on.

Step 3. 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 minutes. After that, re-plug the charger and reinsert the battery into your laptop.

Step 6. Power on your laptop and check if the issue is resolved.

Fix 2. Tweak Power Settings

Laptop turns on and off immediately

Sometimes, the Asus laptop shuts off when unplugged issue can be caused by improper power management settings. To fix this issue, follow the steps below to alter power settings.

Step 1. Type power plan in the search menu and select the Edit Power Plan from the Best match.

Lenovo Laptop Turns On And Off

Step 2. Click on the Change advanced power settings link at the bottom of the window.

Laptop Turns On Then Off

Step 3. Scroll down to the Processor power management section and expand it.

Step 4. Expand the Maximum processor state category and reduce its settings to 20%.

Hp Laptop Turns Off Immediately

Step 5. Expand the Display category and click on Enable adaptive brightness, then change its settings to On. After that, click on OK and Apply buttons to execute the changes.

Laptop Turns On And Off Instantly

Now, you can check if the laptop battery says 100 but dies when unplugged.

Fix 3. Reinstall Battery Driver


According to user reports, a faulty or corrupted battery driver is responsible for the laptop turns off when unplugged. Here you can try uninstalling the driver.

Step 1. Right-click the Start menu and select Device Manager from the context menu.

Step 2. Expand the Batteries category, and then right-click the ACPI driver and select the Uninstall device option.

Step 3. Click on the OK button to confirm this operation. After the driver is uninstalled, restart your computer and the available battery driver would be installed automatically.

Fix 4. Run Power Troubleshooter

Windows 10 provides a troubleshooter that can help you detect and repair problems related to the battery. To fix laptop turns off when unplugged, you can follow the steps below to run the battery troubleshooter.

Step 1. Press the Win + I keys to open the Settings app and go to the Update & Security section.

Step 2. Select the Troubleshooter from the left pane, and then scroll down the right sidebar to the Power section and click on Run the Troubleshooter.

Step 3. Then this troubleshooter will automatically detect and fix problems related to the battery.

Now, you can check if your laptop turns off when unplugged.

Laptop Turns On And Off Repeatedly

Fix 5. Update BIOS

If all the above methods fail to work, you may consider updating BIOS. This is because an outdated BIOS or chipset driver might cause the laptop shuts off when unplugged. If you don’t know to do that, read this post “how to update BIOS Windows 10”.