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You checked your computer and Windows said you have 40 percent battery power left, but it died on you. What just happened?

No matter how well you treat your laptop battery, its capacity will diminish eventually. No matter how top of the line your computer was at the time you purchased it, its built-in power meter can sometimes give you incorrect estimates as to how much battery life you have left.

Even if you let your battery discharge a little bit before plugging it back in, it might not always help to extend battery life. What tends to happen is that it tends to confuse the battery meter. Unavoidable factors such as age, heat and typical usage will decrease its capacity.

Manufacturers generally recommend calibrating the battery every two to t three months. This helps keep your battery readings accurate. You may need to do it sooner if your laptop dies on you without any previous warnings.

While your computer may have a preinstalled app for you to use, it is always helpful to understand how to do so manually. Below are some easy steps to get your battery recalibrated in no time.

Top Up Your Battery

You need to top up your battery first, so plug in your laptop and let the battery charge. When it’s at 100%, leave the laptop plugged in for a few hours so the battery has a chance to cool because heat can give you inaccurate results.

Set Up Battery

Set Up Hibernation Point

You want the battery to work as long as it possibly can. To do so, find “battery” in “power options” and make sure it is on “hibernate.” Then, check “low battery action” and ensure that all options are set to “nothing.” Under “critical battery level,” choose 5 percent.

Let Your Battery Drain Then Recharge

Now all you need to do is wait before charging it back to 100%. Usually this takes at least 5 hours, or you can even leave your laptop overnight. You can still use your laptop as you normally would.

Revert Settings

Once you’ve completed the previous step, go ahead and change your settings back to the way they were before. You might consider switching off the screen sooner or even get your computer to sleep after ten minutes to help you conserve power. But this is all up to you and your preferences.


Even if it took many hours (even up to a day), your laptop now can tell what the capacity of your battery is.  Over time, though, you might find that you need to repeat the process again, especially if your computer dies on you without warning, or you don’t think you’re getting an accurate reading.

Sarah Li Cain

Sarah is a professional blogger and writer who specializes in all things tech, education and entrepreneurship. When she isn’t writing awesome things for her clients or teaching cute kids how to write, you can find her meditating, doing yoga, and making illustrations for her children’s books.

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How To Properly Protect Your Laptop And Prevent Laptop Theft

Laptops are among the most valuable things we carry around with us, valued anywhere between $500 and $3000. This makes them perhaps one of the most dreaded items to lose from your person. According to a 2010 study on computer and electronic theft performed by MacTech, over a million computers were stolen each year in the United States alone, and the vast majority of them were laptops.

Narrow the Chances

The best remedy is prevention. Leaving your laptop out in the open while you go do something else is obviously not good. Most thieves will see this as a wonderful opportunity to slip in and grab the device. It eliminates the chance of confrontation which could damage the merchandise and possibly injure the thief. When you’re on a terrace having a drink while browsing through your laptop, and you suddenly feel the need to relieve yourself in the bathroom, take the laptop with you.

Besides keeping your laptop on your person at all times, you should definitely also make sure that you’re using it in an area that is neither too crowded nor too depopulated. Fewer people means fewer possible witnesses. The same, paradoxically, can happen in very crowded places. All the commotion and noise deafens people to their surroundings, making them less apt to notice that someone is stealing a laptop.

Lock It

If you happen to be one of the many unfortunate victims of theft, it helps to have some way to block the laptop from being usable. Some laptops may have a hardware-based mechanism that prevents them from being used without some form of authentication (like a key). But if you’re not lucky enough to have one of those, you’ll need to use software-based methods (like having a password for every account on your operating system and eliminating guest accounts for Windows).

The good part about using Linux in this situation is that passwords are mandatory from the get-go. If you’re a Windows user and don’t use passwords to log into your OS, you’re going to have to get used to it!

Track It

You should have ways to track your laptop, not just because it might get stolen, but also because it can be equally useful when you lose it. For loss recovery you could use privacy-friendly tagging services like BoomerangIt or ReturnMe. For tracking you could use Prey, as we’ve previously suggested in this article about remotely wiping your Linux computer. It works on a variety of operating systems and platforms.

Just be aware that remote wiping should be done as a last resort measure, although you should take into account the possibility of data theft if you have a lot of sensitive material such as credit card numbers and bank account details. You should always have a backup of your sensitive data somewhere safe. Laptops are not necessarily the best candidates for that.

Combine all three of these, and the likelihood that you will suffer from theft drops enormously. Remember, theft prevention is all about contingency. Even if you try everything to stop it, there’s still a chance it will happen. By that point it is good to have an execution plan when things go sour.

Miguel Leiva-Gomez

Miguel has been a business growth and technology expert for more than a decade and has written software for even longer. From his little castle in Romania, he presents cold and analytical perspectives to things that affect the tech world.

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How To Change A Car Battery?

A car battery is a rechargeable battery used to start a vehicle’s engine and provide electrical power to its electrical systems. It is also known as a lead-acid battery because it uses lead and lead oxide as the active materials in the electrodes. Each cell in the battery is composed of a negative electrode, a positive electrode formed of lead dioxide, and a number of cells (made of pure lead), and an electrolyte (a mixture of water and sulphuric acid).

When the battery is used, the electrolyte allows ions to flow between the electrodes, creating a chemical reaction that releases electrons and generates electricity. When the battery is charged, the process is reversed, and the battery absorbs electricity. Car batteries are designed to provide a high burst of power (known as cranking power) to start the engine and then to provide a steady flow of energy to the vehicle’s electrical systems while the engine is running.

How to Change the Battery of a Car?

Changing a car battery is a relatively simple task that most people can do on their own as long as they have the right tools and follow a few basic steps. Here’s a detailed guide on how to change a car battery −

Gather the Necessary Tools

A tool (either a socket wrench or a combination wrench), some pliers, a wire brush, and a new battery are required to change an automobile battery. Put on gloves to protect your hands from the acid in the old battery.

Locate the Old Battery

The car battery is typically found in the engine compartment, either under the hood or on the side of the engine next to the front of the vehicle. Consult your car’s owner’s handbook if you need help determining where to look.

Disconnect the Negative Terminal

Once you have located the battery, you must first disconnect the negative terminal (usually marked with a “-” symbol). To do this, use the wrench to loosen the bolt that secures the cable to the terminal. Be sure to loosen the bolt, only remove it partially.

Disconnect the Positive Terminal

You must disconnect the positive terminal (usually marked with a “+” symbol). Again, use the wrench to loosen the bolt that secures the cable to the airport.

Remove the Old Battery

Once both terminals are disconnected, you can carefully lift the old battery out of the car. Avoid spilling any of the battery’s acids to prevent harm to your car’s electrical system.

Clean the Battery Tray

You should use a wire brush to remove any corrosion or debris from the battery tray and connections before inserting the new battery. You can ensure a solid connection between the battery and the car by doing this.

Install the New Battery

Once the tray is clean, you can place the new battery in the tray and secure it with the hold-down clamp. Ensure the battery is seated correctly in the tray and the terminals are facing the correct direction.

Connect the Positive Terminal

Start connecting the positive terminal (marked with a “+” symbol) first. Use the wrench to tighten the bolt that secures the cable to the terminal.

Connect the Negative Terminal

Connect the negative terminal (marked with a “-” symbol). Again, use the wrench to tighten the bolt that secures the cable to the terminal.

Test the New Battery

Once the new battery is installed and the terminals are securely connected, you should start the engine to ensure the battery is working correctly. If the engine starts and runs smoothly, you’re done! If not, check the connections or try a different battery.

Simple tasks like changing a car battery can save you money because you don’t need to engage a professional. Be sure to carefully read these instructions and exercise caution when handling the battery because its acid can be fatal if it gets in your eyes or skin.

Benefits of Changing a Car Battery

The following are the benefits of changing the battery of a car −

Improved Performance − A new battery will have a full charge and provide more power to your vehicle’s electrical systems, which can improve the performance of your car.

Increased Reliability − A new battery is less likely to fail, which can be especially important in an emergency. This can help you avoid being stranded on the side of the road.

Enhanced Safety − If your old battery is damaged or worn out, it may pose a safety risk. For example, if the acid in the battery leaks, it can cause damage to your car’s electrical system or even cause a fire. By replacing the battery, you can reduce the risk of these problems.

Improved Fuel Efficiency − A healthy battery can help improve your car’s fuel efficiency by providing a consistent flow of power to the electrical systems.

Longer Lifespan for Other Components − A new battery can help extend the lifespan of other car components, such as the alternator and starter. This can save you money on repairs in the long run.

Environmental Benefits − Lead-acid batteries can be recycled, which can reduce the impact on the environment. By replacing your old battery with a new one, you can help keep these materials out of landfills.


Changing a car battery is a relatively simple task that most people with a basic set of tools can perform. It’s essential to choose a replacement battery that is compatible with your car and follow the manufacturer’s instructions for installing it.

Before you begin, gathering the necessary tools and ensuring you have a safe and well-ventilated workspace is a good idea. In order to shield yourself from chemicals or debris, you need also to put on protective equipment such as gloves and goggles. Once you have everything, you can remove the old battery and clean the tray and terminals.

Next, you’ll need to connect the new battery, follow the proper polarity and secure it. Finally, you’ll want to test the new battery to ensure it’s working correctly and dispose of the old one according to local regulations. Following these steps, you can easily change your car’s battery and return to the road.

6 Quick Tips To Fix Your Laptop Camera If It’s Not Working

6 Quick Tips to Fix Your Laptop Camera if it’s not Working Reinstalling the device driver is usually a fast fix to try




If the

integrated camera is not working

, the most likely trigger is driver-related issues. 

In some rare cases, you may have faulty hardware that will require a replacement. 

Also, if the

built-in camera is not working,

you must ensure that any webcam protection software is properly configured. 



To fix Windows PC system issues, you will need a dedicated tool

Fortect is a tool that does not simply cleans up your PC, but has a repository with several millions of Windows System files stored in their initial version. When your PC encounters a problem, Fortect will fix it for you, by replacing bad files with fresh versions. To fix your current PC issue, here are the steps you need to take:

Download Fortect and install it on your PC.

Start the tool’s scanning process to look for corrupt files that are the source of your problem

Fortect has been downloaded by


readers this month.

There are many uses for the laptop camera, but most people use it to take photos or hold video chats like Skype or Google Hangouts, among other uses.

But the laptop camera may not always launch or work as it is ordinarily intended. As one would expect, videoconference-focused apps are prone to be more impacted than others. Thus, issues with laptop cameras not working on Teams or on Zoom are frequent.

Why is my camera not working on my laptop?

On your Windows 10 devices, there are a few reasons why the camera may not work. The top triggers for this problem include:

Driver-related issues – This could be missing drivers after an update or old and corrupted device drivers.

Compatibility with the antivirus program – In some cases, users have found out that the antivirus program blocks the camera. Hence you should use only the most compatible Windows 10 antivirus software.

Problems with the system settings – In some cases, the apps do not have the authority to use the camera; when that is the case, it will not turn on.

Hardware issues – You may simply be dealing with a bad camera and will need to replace your webcam.

Now, moving on with our guide. Here are solutions to help you fix your laptop camera when it just won’t work, so read on!

How to fix my camera on my laptop? 1. Run the Hardware troubleshooter

Follow the on-screen instructions to run the Hardware and Devices troubleshooter. The troubleshooter will begin detecting any issues.

If you’re experiencing problems with your PC’s recently installed device or hardware, then run the Hardware and Devices troubleshooter to resolve the issue.

This checks for commonly occurring issues and ensures any new device or hardware is correctly installed on your computer.

2. Update the laptop camera driver

You can repair the laptop’s camera just by updating your web camera driver. Plus, it’s possible to perform this action from Device Manager as presented down below.

4. When prompted to choose How do you want to search driver, select Search automatically for updated driver software.

Finding the right driver can be a difficult task. Therefore, we recommend you use an automatic driver tool to scan your PC for out-of-date or missing drivers and automatically update them.

Dedicated driver updaters will match your hardware with its corresponding driver, eliminating additional problems that can occur when using a mismatched driver.

A dedicated tool that helps you find the precise and latest updates for all your drivers.

Free trial Visit website

3. Reinstall the laptop camera 4. Roll back driver 5. Check your antivirus software

If your laptop camera doesn’t work or open, or you get an error saying that the laptop camera cannot be found or cannot start, it may be caused by antivirus software that is blocking it or an outdated webcam driver.

6. Check the camera privacy settings

The solutions above will work if the laptop camera is not working and showing a black screen. They will also come in handy if the laptop camera is not working but the light is on, or if it is not working with services like Google Meet, Teams, or on Zoom.

This article will also help you fix the following camera errors:

Error code 0xa00f4271 – It manifests itself when you are trying to use your webcam

0xa00f4244 No cameras are attached error – This happens when the Camera app can’t detect your webcam properly

Error 0xa00f4292 – Corrupted or missing drivers are the root of this issue, but our guide will help you fix it as well

Laptop camera not working in Windows 10, 11, 7, 8 – The solutions above are applicable to all OS iterations.

HP, Dell, Lenovo, Asus, Acer, MSI laptop camera not working – Update the laptop camera drivers on all laptop brands in order to fix this.

Laptop camera not working on Zoom, Teams, Google Meet, Discord – Check if the apps have the right to access your camera.

Still experiencing issues?

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How To Fix Battery Drain Issues In Windows 11/10

Managing battery usage is the foremost aspect of an electronic device in order to conserve the performance of the battery and prolong the battery life. Moreover, Windows 11/10 is constantly upgraded, adding new features that ease the management of battery life. While the constant upgrades seem to significantly improve the battery life overall, some users have reported battery drain issues. When it comes to battery drains, display brightness and processors are the ones that consume a lot of battery power. Additionally, the complex task that involves hardware processing will eventually drain your battery life.

Battery drain issues in Windows laptop

Before we talk about some solutions to fix these battery drain problems, we suggest you unplug the accessories connected to the system. Also, try to reduce your startup programs and close all the dispensable programs and lower screen brightness that may assist in boosting the battery life. Apart from these tips, you may want to check out the following solutions to elevate the life of a battery.

1] Turn on the Battery Saver Mode

Sometimes, after a system update, the battery saver mode may be toggled off, and you need to turn on the battery saver manually. The Battery saver mode allows users to control battery power consumption in order to have maximum on-time. By enabling the battery saver mode, your system will automatically restrict all the applications that are running in the background. To enable Battery Saver Mode, follow these steps:

Windows 11

Next, select System from the side panel on the left.

On the right, Move to Power & battery settings. Expand its settings and scroll down to Battery section.

Check Battery usage by apps Windows 11

Under Battery section, just below Battery saver settings, hit the Battery usage drop-down button. Then, under Battery usage per app, check the apps consuming more power.

Read: How to put apps to Sleep in Windows

Windows 10

Locate the Battery Saver settings and toggle the setting – Turn on battery saver on automatically if my battery falls below. Move the slider to a suitable position.

2] Check Battery usage by apps

To find out the battery usage of each app follow these steps.

The ‘Battery usage by app’ window is displayed with all the apps and the percentage of battery consumptions.

Identify the ones you think are using very high power, and see if you would like to restrict usage, disable, or remove the app/s.

3] Use Sleep Study Tool to find out what drains your battery

Windows Sleep Study Tool is a new tool from Microsoft that helps you study what exactly is draining your battery power in a Windows 10/8.1 InstantGo supported computer.

4] Troubleshoot Power problems with PowerCfg

PowerCfg is a command utility tool that will scan your computer for 60 seconds to know the power efficiency of your system and tracks all the issues that are draining the battery life. The tool provides detailed results in the form of an HTML report so that you can actually evaluate the cause of battery drain. In this way, you can take the necessary steps to extend battery life. Follow these steps to generate a power report and evaluate the efficiency of your system.

Run Command Prompt as administrator and execute the following command:


This will generate a detailed HTML report which you can check for errors.

To generate a complete battery health report type the following command in the command prompt:


Hit Enter.

This will give a detailed HTML report on battery issues, charge ratings, history of battery use and history of battery charge periods.

You can also run this command to determine the devices that are set so that the user can wake the computer and turn them off by using the following command:

powercfg –devicequery wake_armed

For more information about the PowerCFG options, run POWERCFG /? command in an elevated prompt.

5] Run Power Troubleshooter

Run the Power Troubleshooter and let it check for and automatically detect and fix Power issues.

Read: How to limit Battery Charge in Windows

6] Extend Battery life with customized Power Plans

In the Power Options, choose to Create a Power plan. Now you will be able to Create a Power plan as per your needs.

If the above solution doesn’t work for you, check if your drivers are updated.  Most of the time, outdated drivers consume a lot of battery, so it is important to update the drivers to maximize device battery life as well as prevent other system-related problems from happening.

Does Battery Saver work on PC?

Yes! When you enable battery saver feature, it blocks apps running in the background. Users can still allow specific individual apps to run while in battery saver mode. In Windows, you can choose to enable battery saver when the battery level reaches a certain percentage.

How good is Windows Battery Saver?

It works really well. The setting automatically dims your display’s brightness. It’s one most useful but rarely used trick that can save battery life on every single device. In addition, the mode throttles background apps not in use currently, even if they’re desktop apps.

Read next:

How To Charge A Battery Without A Charger: 10 Steps

Remove the battery from the device. You will need access to the connection points on the battery. Keep in mind that the battery is not intended to be accessed on certain models of cell phone, so know what can be done with the model you have. On most (but not all) Android and Windows phones the back can be removed with the appropriate amount of pressure in just the right spot. Do not attempt this with most Apple products.

Perhaps you are baffled that anyone would suggest using one battery to charge another. Maybe you were expecting some magic trick that would allow you to add charge to your battery without having to find an alternate source of electric power. In fact, that is not possible. One of the fundamental laws of physics (the law of conservation of energy/conservation of mass) makes clear that you can’t get something for nothing. Deal with it.

It is recommended that you charge your battery rather than attempt to hotwire your electronic device and use the alternative batteries directly. Using the improper amount of amperage or voltage can potentially damage complex circuitry, so such methods are obviously not worth the risk.


Identify the positive and negative connectors on each battery. On the AAs and other household batteries, these will be marked. For most cell phone batteries, the positive connector will be the one closest to the edge, while the negative connector will usually be the one farthest from the edge (there may be three or four connectors, but the middle one or two are used for temperature regulation and other functions).

Match voltage of your battery which need to charge and other battery (AA, AAA or others with enough power to provide). Normally now a day’s Cellphone battery needs more than 3.7V DC to get charged. So multiple AA or AAAs or one 9V battery will be idle for providing a charge. Keep in mind that normal AA or AAA battery on everyday household use provide 1.5V each. So to gain more than 3.7V, you need 3 AA or AAA battery connected in series. 1.5V + 1.5V + 1.5V = 4.5V would be your power source if battery on your hand is either AA or AAA model.


Tape or clamp the wires to the battery that will be providing a charge and the battery that requires a charge. These wires may get hot (though most likely they will not if you are doing it properly). It will also take quite a long time to transfer the charge. You don’t want to be holding them the whole time.

If you are using AA and AAA batteries; you may want to connect them to each other “in serie” before attaching them to the battery requiring a charge. This means using wire to connect the negative side of all the small batteries to the negative connector on the battery that needs a charge, and the same for the positive side.[2]


After some time, the battery should be charged. Keep in mind that it probably won’t be fully charged, but you should have at least some use of the device that you needed.


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