The red cross on the battery icon is a headache, and it usually indicates a potential problem with the computer's power system. This article will explore common causes of this problem and provide solutions to ensure your computer remains functioning properly.
Why does a red cross appear on the battery icon?
When you plug in and find a red cross next to the battery and your laptop or tablet is slow to charge or can't charge at all, you may wonder "Why does there be a red cross on my battery icon?" This may mean something is wrong with your computer's power system.
The red cross on the battery icon can be caused by several potential problems:
- Battery Not Detected: Sometimes the system may not recognize the battery, which can cause a red cross. This may be because the battery is not installed correctly, the power supply is incorrectly connected, the power supply or the battery is damaged, etc.
- Driver Problem: Outdated or damaged battery drivers can cause communication errors between the operating system and the battery, resulting in a red cross on the battery icon. To avoid this battery error, you can continuously update the system to ensure the battery driver is in good condition.
- Hardware issues: Problems with the internal charging circuit of the computer may prevent the battery from charging. This may be caused by a damaged charging port, a malfunctioning computer components, or a wrong power adapter. Additionally, the end of battery life can also cause this problem. In this case, you need to consider replacing a new battery.
- BIOS-related issues: Outdated BIOS sometimes causes the system to read the battery state incorrectly, and then cause the red cross icon to appear. In addition, incorrect BIOS settings can also affect the detection and management of the battery. Updating the BIOS to the latest version or resetting the BIOS to the default settings may resolve such issues.
How to fix the red cross on the battery icon?
Method 1: Check the connection and battery
Failure of the power adapter or charging cable is a common cause of charging problems. You can check for obvious damage to the charger. Alternatively, you can try using different adapters and cables to see if the problem persists. If your computer uses a different charger to charge properly, the original adapter may be damaged.
In addition, dust and debris in the charging port can slow down the charging speed. You can use a small brush to clean the port gently. Be careful to avoid using sharp objects that may damage internal components.
If the above method is invalid, please check whether your computer battery is installed correctly. Sometimes the battery can be loose for some reason.
Method 2: Perform power cycle
Performing a power cycle can help you resolve minor failures that may cause a red cross on the battery icon. This is an effective way to solve power-related problems.
The operation steps are as follows:
- Unplug all external devices from your computer.
- Remove the battery from the computer and carefully clean the contacts with a pencil eraser.
- Press and hold the laptop's power button for about 15 seconds.
- Plug the battery into the computer and restart the computer.
- Connect the AC adapter and check if it helps.
Method 3: Update or reinstall the battery driver
Outdated or damaged battery drivers can cause a red cross next to the battery icon. You can update or reinstall the battery driver to fix it.
To update or reinstall the battery driver, follow these steps:
Step 1: Right-click Start and select Device Manager .
Step 2: Expand the Battery section, then right-click the Microsoft ACPI Compatible Control Method Battery and select Update Driver or Uninstall Device .
Step 3: If you update the battery driver, click Automatically search for the driver and follow the on-screen instructions. If you uninstall it, select Uninstall and wait for it to complete.
Step 4: Restart the computer to make sure Windows can run the updated drivers correctly. If you simply uninstalled the driver, Windows will automatically install the appropriate battery driver for your computer.
Method 4: Update the BIOS
Updating the BIOS can solve many power-related issues, but it also comes with risks, so you need to be careful when doing this. Additionally, you need to keep power supply or make sure your computer is fully charged when updating the BIOS.
To update the BIOS, you can visit the official website of the computer manufacturer to find tutorials on how to update the BIOS for your computer. Then, you need to follow the guide to download and install the BIOS update package. Please pay attention to the tips provided by the manufacturer to avoid errors in operation.
in conclusion
Solutions to fix the red cross on the battery icon include checking the connection and battery, updating or reinstalling the driver, performing power cycles, and updating the BIOS. Additionally, regular maintenance is essential for optimal computer performance.
The above is the detailed content of How to Remove Red X on Battery Icon on Windows?. For more information, please follow other related articles on the PHP Chinese website!

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