The following are steps you can take to troubleshoot the issue of your laptop’s Wi-Fi constantly disconnecting and reconnecting:

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1. Check that your Wi-Fi adapter drivers are up-to-date.
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2. Check that your router is configured correctly.
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3. Try turning your router off and on again.
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4. Check for other devices that may be interfering with your network.
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5. Update the BIOS version and other firmware of your laptop.
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6. Check the power settings and adjust accordingly.