How to change your Wi-Fi password on your computer if you forgot your old one

Needing to urgently change a wireless network access key but losing or forgetting the password is one of the most common problems in home network administration. Users often forget to record the settings they set during initial setup, and change the factory defaults for security reasons. If you're within the network, meaning your computer is already connected to Wi-Fi, changing the password is relatively straightforward and doesn't require complex equipment.

However, if network access is completely lost and no devices can connect, the approach to solving the problem changes dramatically. In this case, a wired connection becomes the only reliable way to access the router's control panel. Wired access This ensures that you can access the settings even if the wireless module's parameters are reset or unknown. It's important to understand that the process of regaining control of the network requires careful attention, as changing the key will disconnect all current clients.

Before taking any decisive action, you need to prepare your workspace and ensure you have all the necessary tools. You'll need a personal computer or laptop, access to the router's administrative panel, and, in the worst-case scenario, physical access to the reset button on the device. In this article, we'll walk you through every step of the process, from connecting via cable to configuring new security settings for your devices.

Preparing to change security settings

The first step to restoring access is to ensure a stable physical connection between your computer and the router. Despite the widespread adoption of wireless technologies, using a router remains the most reliable method for deeply configuring network equipment. LAN cableThis eliminates the risk of connection interruptions while making configuration changes, which could result in the inability to save new parameters.

Find the network cable, often called a patch cord, that came with your router. Plug one end of the cable into one of the yellow ports. LAN on the back of the router, and the other one to your computer's network card. If your laptop doesn't have a corresponding port, use an adapter. USB-to-EthernetOnce connected, the indicators on the ports should light up or blink, indicating that physical contact has been established.

⚠️ Important: If you plan to change the password while connected to a wireless network, remember that your computer will lose connection to the router immediately after applying the settings. Be prepared to reconnect with the new password.

The next important step is to determine the IP address of the gateway used to access the device's web interface. The default address for most models is 192.168.0.1 or 192.168.1.1, however, manufacturers may use other values. To find the exact address, you can use the operating system command line or look in the network connection properties.

📊 How do you usually store Wi-Fi passwords?
I write it down in a notebook
I store it in a password manager.
I remember it by heart
I use the standard password from the sticker.
I forget and reset the router

Login to the router control panel

After a successful physical connection, open any web browser installed on your computer. In the address bar at the top of the window, enter your router's IP address. Don't confuse the address bar with the search field—enter the numbers directly into the field where you would normally type a website URL. Press Enter for transition.

The system will request authorization, requiring you to enter your administrator login and password. This information is often different from the password for the Wi-Fi network itself. By default, most devices use the following combination: admin / admin or admin / passwordIf the default combinations don't work, check the sticker on the bottom of the router—it often contains the current password for logging in.

The table below lists the most common addresses and credentials for popular network equipment manufacturers. If your data was previously changed and forgotten, the only solution is a hard reset, which will be discussed in the following sections.

Manufacturer Default IP address Login Password
TP-Link 192.168.0.1 admin admin
ASUS 192.168.1.1 admin admin
D-Link 192.168.0.1 admin (empty)
Keenetic 192.168.1.1 admin 1234
Tenda 192.168.0.1 admin admin

If your browser displays a security error or a warning that the connection is not secure, don't panic. This is a common occurrence on local devices without SSL certificates. You must accept the risk and proceed to the page anyway to continue using the interface.

Find the wireless network section

Modern router interfaces can vary significantly depending on the manufacturer and firmware version. However, the menu structure remains similar. You need to find the section responsible for wireless settings. Look for tabs with the following names: Wireless, Wi-Fi, Wireless network or WLAN.

Within this section, there are usually subsections such as "Basic Settings" and "Security." We're interested in this tab specifically. Wireless Security or "Wireless Security." This is where the fields for selecting the encryption type and entering the access key are located. The encryption type should be set to WPA2-PSK or WPA3, as these standards provide maximum protection against hacking.

Why shouldn't you use WEP?

The WEP encryption protocol is considered obsolete and extremely vulnerable. An experienced user can crack such a password in a few minutes using standard tools included with Linux operating systems. Always choose WPA2 or WPA3.

Please note the field may be called Wireless Password, PSK Password, Key or "Wireless Network Password." This is the field where you'll need to enter your new password. We recommend using complex passwords of at least 12 characters, including mixed-case letters, numbers, and special characters.

Some router models, especially from the company Keenetic or MikroTik, have a more complex menu structure, with security settings located in a separate profile or interface. In such cases, you may need to switch from the "Quick Menu" to "Advanced Settings" to access the full functionality.

Setting a new password and saving

Enter your new password in the appropriate field. Be extremely careful when typing characters: the system won't display them in clear text, but will replace them with dots or asterisks. A single character error will prevent any devices from connecting to the network, and you'll have to repeat the process, possibly using a cable.

After entering the data, be sure to scroll down the page and find the button Save, Apply or "Save". In some interfaces, for example, TP-Link With new firmware, changes are applied instantly but require confirmation. Make sure the router doesn't require a reboot for the settings to take effect, although this usually happens automatically.

☑️ Check before saving

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When you save the settings, the wireless module will be updated, and all devices connected to the Wi-Fi network will immediately lose connection. This is normal system behavior. Your computer connected via cable will continue to access the internet, allowing you to check the network availability from other devices.

⚠️ Please note: The router interface may be updated by the manufacturer at any time. Button locations and menu item names may differ from those described in the instructions. If you cannot find the item you need, use the settings search or the help section in your account.

What to do if you forgot your router admin password

The situation becomes more complicated if you've not only forgotten your Wi-Fi password but also can't access the router settings because the administrator password was previously changed and lost. In this case, standard login methods won't work, and the system will continually return authorization errors. The only effective solution in this case is a full factory reset.

To perform a reset, locate the small hole on the device's case, usually labeled as Reset or RestoreIt may be recessed into the housing to prevent accidental pressing. You'll need a thin object, such as a straightened paperclip, toothpick, or needle. Press the button inside the hole and hold it for 10-15 seconds.

The indicators on the front panel of the router should blink or go out, indicating the reboot process has begun. After the device reboots, it will return to factory settings. This means the network name and Wi-Fi password will be set to the ones on the sticker on the bottom of the router, and access to the admin panel will be granted with the default credentials.

It's important to understand that resetting your network will delete all user settings, including PPPoE, L2TP, or static IP addresses, if provided by your ISP. If your ISP doesn't automatically detect these settings, contact your ISP beforehand to obtain the necessary network access settings.

Configuring the router after a reset

After a successful reset and logging into the control panel with factory default settings, the router will prompt you to complete a quick setup wizard. Follow the on-screen instructions, selecting your region, time zone, and connection type. If your provider requires a username and password to access the internet, enter them in the appropriate fields.

The system will then prompt you to set up a wireless network. Create a new network name (SSID) that will be easily recognizable in the list of available connections. Immediately set a strong password, following the recommendations described above. Avoid using simple number sequences or birthdays.

After the setup wizard completes, the router will reboot. You can now disconnect the network cable and try connecting to Wi-Fi from any device using the new password. If the internet works, the configuration is correct.

Frequently Asked Questions

Is it possible to change the Wi-Fi password via phone?

Yes, this is possible. If your phone is connected to the router's network, you can enter the router's IP address into the address bar of your mobile browser and follow the same steps as on a computer. Many manufacturers also offer dedicated mobile apps for managing routers.

What happens if I enter a password less than 8 characters?

Most modern routers won't allow passwords shorter than 8 characters when using the WPA2 security standard. This limitation is dictated by the security requirements of the encryption protocol.

Do I need to reconnect all devices after changing the password?

Yes, absolutely all devices (phones, tablets, TVs, smart speakers) will lose connection. You'll need to go to the Wi-Fi settings on each one, select your network, and re-enter the new password.

Where can I find the PIN code to connect without entering a password?

This feature is called WPS. The PIN code is often found on a sticker underneath the router. However, using WPS is considered a less secure method, and many experts recommend disabling this feature in the router settings.