You have lesser network problems with the most recent driver software that controls your hardware drivers. Old drivers are not as competent as new drivers.

The Wireless Network Adapter drivers are corrupt or outdated.

If your router is placed far from the device or in a place with many signal interruptions, your wi-fi networks may be too weak for the computer to detect it and so it will not be able to connect with the network.

The Router is placed in an inconvenient position.

It is always recommended to have the latest version of Windows to remove and/or avoid bugs in the system. Old versions of the OS can be of no use to you.

The Windows Operating System (OS) is corrupt or outdated.

These are the possible factors that can affect your computer and prevent it from gaining internet access through a wireless connection. This issue is mostly reported to have been experienced by laptop users, but the causes for the users not being able to connect to a wireless network can also affect a Microsoft Windows PC. If you can no longer get driver support from your computer manufacturer, you can download generic Intel drivers.4.4 How do I reset my wireless card? Why am I not able to connect to a Wifi network? Contact the manufacturer for the latest updates and technical support information. Your computer manufacturer can customize drivers and software to enable or alter features, or provide improved operation on your computer. For example, if you replace a Wi-Fi/WiMAX adapter with a Wi-Fi adapter, you may receive WiMAX error messages and lose connectivity to the WiMAX network.

Replacing an adapter associated with specific wireless software and a different adapter type may cause connection issues or software error messages.

We do not recommend installing or upgrading the various Intel Wireless Adapters. Laptop manufacturers must meet regulatory requirements to determine if you can install the Intel Wireless Adapter in your system. We recommend contacting the manufacturer, vendor, or place of purchase about availability and support for Intel Wireless Adapter upgrades.

Original equipment manufacturers (OEMs) may limit the computer to only specific wireless adapters, causing an installation error when booting with a different, previously installed wireless adapter. Your laptop may not recognize new hardware when you install an Intel® Wireless Adapter for several reasons.

Wireless adapter for pc not working