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Karmen Mcarthun

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Aug 3, 2024, 10:03:28 PM8/3/24

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How to Fix the ThinkPad 1802 Error

If you own a ThinkPad laptop, you may have encountered the dreaded 1802 error code when you try to boot up your device. This error means that your wireless network card is not compatible with your BIOS (Basic Input/Output System), which is the firmware that controls the startup and hardware settings of your laptop.

The 1802 error can be caused by various reasons, such as installing a new wireless card, updating your BIOS, or using a third-party adapter. Fortunately, there are some ways to fix this error and get your laptop working again. Here are some of the methods you can try:

Update your BIOS. Sometimes, the 1802 error can be resolved by updating your BIOS to the latest version. This can fix any compatibility issues or bugs that may cause the error. To update your BIOS, you need to download the BIOS update utility from the Lenovo website and follow the instructions carefully. Make sure you have a backup of your data and a reliable power source before you proceed.

Use a compatible wireless card. Another way to fix the 1802 error is to use a wireless card that is compatible with your BIOS. You can check the list of compatible wireless cards on the Lenovo website or on various online forums. You may need to replace your existing wireless card with a compatible one or use an external USB adapter instead.

Bypass the BIOS whitelist. If you want to use a wireless card that is not compatible with your BIOS, you may need to bypass the BIOS whitelist. This is a risky method that involves modifying your BIOS settings and may void your warranty or damage your laptop. You should only attempt this method if you are confident and experienced in doing so. You can find detailed instructions on how to bypass the BIOS whitelist on various online sources.

The 1802 error can be frustrating and prevent you from using your ThinkPad laptop properly. However, by following these methods, you may be able to fix this error and enjoy your wireless connectivity again.

If none of the methods above work for you, you may need to contact Lenovo support and ask for their assistance. They may be able to provide you with a solution or a replacement for your wireless card. You can also check if your laptop is still under warranty and if you are eligible for a free repair or exchange.

To prevent the 1802 error from happening again, you should always check the compatibility of your wireless card before installing or updating it. You should also avoid using third-party adapters or modems that may interfere with your BIOS settings. You should also keep your BIOS updated to the latest version and follow the official guidelines from Lenovo.

The ThinkPad 1802 error is a common problem that many ThinkPad users face. However, by following these steps, you may be able to fix this error and enjoy your laptop's wireless features again. If you have any questions or feedback, feel free to leave a comment below.