The quickest way to change your WiFi password on a computer or laptop.

Unusually slow internet speeds, suspected unauthorized access, or password sharing with too many devices are very common situations at home. However, many people still don't know how to change their WiFi password on a laptop because they're unsure where to access the settings in the modem/router. Therefore, let's take a look at how to change your WiFi password on a laptop in the following article from GearVN.

Key points

1. To change your WiFi password on a laptop , use the IP Gateway (usually 192.168.1.1), log in with administrator privileges, and update it in the Wireless Security section.
2. If you cannot access the default IP address, open Command Prompt on Windows and use the ipconfig command to find the exact Default Gateway address.
3. Admin account information for logging in to configure settings on popular network providers (VNPT, Viettel, FPT) is usually printed on the bottom of the modem.
4. It is recommended to prioritize WPA2/WPA3 security standards and set a password of 10-14 characters, combining letters and numbers, to prevent unauthorized access to your network.
5. After successfully changing the password, you need to tap "Forget Network" on your phone or laptop and reconnect using the new password.

1. When should I change my WiFi password?

Changing your WiFi password is primarily to increase wireless network security and control who is using the network. Some situations where you should consider changing your WiFi password include:

1. The internet is unusually slow even though the plan hasn't changed.
2. I shared my password with many people for a long period of time.
3. I suspect a stranger is using my WiFi without my permission.
4. You've either reset your modem or switched internet providers.
5. I want to change my old, easily guessable password to a more secure one.

Consider changing your password if your internet is unusually slow even if your plan hasn't changed.

2. What do I need to prepare before changing my WiFi password?

To change your WiFi password, you need to connect to your modem router , know the Gateway IP address , and have an administrator account to access the configuration interface via a web browser. Proper preparation from the start will significantly reduce the risk of incorrect login attempts or accessing the wrong settings.

1. The laptop or computer already connected to the network that needs to be switched: This connection can be made via WiFi or LAN cable.
2. Modem/router is working properly: The indicator light should be on steadily.
3. Web browser: Chrome, Edge, or Firefox will all work.
4. Gateway IP address: This is the address to open the modem's administration page, usually 192.168.1.1 or 192.168.0.1 .
5. Admin account: This is the username and password for managing the modem, usually printed on a sticker under the device if it hasn't been changed previously.
6. Screenshot of the old configuration: It's a good idea to take a screenshot before making any changes so you can easily restore it if needed.

The admin account details are usually printed on a sticker under the modem/router.

3. How to change your WiFi password on a laptop step-by-step

3.1. Open the modem/router administration page.

Open your browser, then enter 192.168.1.1 in the address bar. If that doesn't work, try 192.168.0.1 . Some modems use different addresses, so this isn't always the correct IP address.

If your browser reports a security error, double-check the address before continuing. If you still can't open the modem interface, go to section 4 to find the correct router IP address.

Enter 192.168.1.1 in the address bar.

3.2. Log in to the administrator account

When the login screen appears, enter the administrator ID and password . This information is usually found on the sticker under the modem or in the documentation from your internet service provider if you haven't changed it before.

It's important to distinguish this from the modem administrator account, not your everyday WiFi password. If you enter the wrong password multiple times, stop and double-check the information instead of trying randomly.

When the login screen appears, enter the administrator ID and password.

3.3. Find the correct WiFi settings.

After logging in, look for items named like Wireless , WiFi , or WLAN . The item names may vary slightly depending on the manufacturer and interface version. If the screen shows an SSID , that's the WiFi name. You only need to identify it to avoid confusion; there's no need to change it if your only goal is to change the password.

3.4. Change your password in the security section.

In the WiFi settings, go to Security or Wireless Security . Here, look for a field labeled Password , Wireless Password , Pre-Shared Key , or WPA Key . This is usually where your current WiFi password is located.

Enter your new password in this field. If your router supports it, WPA2 or WPA3 is recommended . These are common and more secure security standards than older ones. For average users, simply choose one of these standards if your device allows it.

Find the field labeled Password, Wireless Password, Pre-Shared Key, or WPA Key and change the password.

3.5. Save settings and reconnect the device.

Press Save , Apply , or the equivalent button to save the changes. The WiFi router may take several tens of seconds to apply the new configuration. During this time, the WiFi network will be temporarily disconnected.

Once complete, reconnect your laptop, phone, and other devices using the new password. If the device reports an incorrect password, select " Forget old WiFi network" and reconnect from scratch.

Choose to forget the old WiFi network and then reconnect from scratch.

4. What should I do if I can't access 192.168.1.1?

This is a very common error and doesn't necessarily mean the modem is broken. The cause is often an incorrect IP address, the computer not being connected to the correct network, or the router using a different IP address.

1. Check if your laptop is connected to the correct WiFi network you want to switch to.
2. Try a different address like 192.168.0.1 .
3. Find the correct Default Gateway on Windows.
4. Switch to a different browser if the loading screen is down.
5. Restart your router if the interface freezes or becomes unresponsive.

Restart your router if the interface freezes or becomes unresponsive.

Additionally, some network providers change the interface or login information depending on the modem model. Therefore, the access IP address and settings names may not be exactly the same between devices.

How to find your router's IP address on Windows

1. Step 1: Open Command Prompt or PowerShell on Windows.
2. Step 2: Type the command ipconfig and press Enter .
3. Step 3: Find the Default Gateway line and enter this address into your browser.

Find the Default Gateway line and enter this address into your browser.

5. Table comparing the names of the password change options on the modem/router.

The item you are looking for	Names you might encounter	Meaning
WiFi Name	SSID, Wireless Name, WiFi Name	WiFi network name displayed
Secure area	Wireless Security, Security	Location where password settings are stored
Password field	Pre-Shared Key, WPA Key, Password, Wireless Password	WiFi password input field
Security standards	WPA2, WPA3	Security standards should be prioritized if support is available.

6. How to set a secure yet easy-to-remember WiFi password.

1. It's recommended to keep it between 10 and 14 characters for increased security while still being easy to type.
2. Combine uppercase letters, lowercase letters, and numbers.
3. Avoid using personal names, phone numbers, dates of birth, or home addresses.
4. You can use a familiar phrase and then vary it with specific numbers.
5. Do not set a password that is too short, even if the router allows it.
6. If your router supports it, prioritize WPA2 or WPA3 for enhanced WiFi security.
7. You should save your new password in a safe place to avoid forgetting it immediately after changing it.

Prioritize WPA2 or WPA3 for enhanced WiFi security.

7. Common errors when changing WiFi password and how to fix them quickly.

Most errors after changing the password are related to old connections still stored on the device or incorrect modem administrator information. Resetting the router immediately is not recommended as it should be the last resort.

1. Unable to access router IP: This is usually due to an incorrect IP address or an incorrect network connection. Check your current WiFi network, try 192.168.0.1, or find the Default Gateway using ipconfig.
2. Incorrect password reported even after changing it: You may have entered the wrong uppercase or lowercase character, or a space. Please re-enter it slowly and correctly, character by character.
3. The device still has the old password saved: Select "Forget WiFi network" on your laptop or phone and then reconnect.
4. Forgot your new password after saving it? Check the modem interface to see if you can still log in. If you've logged out and don't remember it, recovering it will be more difficult.
5. Modem interface frozen: Try restarting the router to reload the interface. This is just a troubleshooting step.
6. Forgetting your modem administrator account: Check the device label or contact your internet provider. Only reset the router if you are prepared to reconfigure it from scratch.

Contact your internet service provider if you forget your modem administrator account.

8. What should I do after changing my WiFi password?

1. Try reconnecting to your laptop using the new password.
2. Forget your old network on your phone if the device reports an incorrect password.
3. Update passwords on TVs, cameras, printers, and smart home devices.
4. Check basic speed and stability after reconnecting.
5. Save new information in a safe place if multiple people in the household are managing the network.

Try reconnecting your laptop using the new password.

9. Some related questions

9.1. Will changing my WiFi password cause me to lose my internet connection?

You won't lose your internet connection, but devices using WiFi will be disconnected. You'll need to re-enter your password on your laptop, phone, TV, camera, or smart home device.

9.2. What should I do if I forget my modem login password?

Check the sticker on the modem or the information from your internet provider first. If the administrative data is no longer available, you may need to reset the modem and reconfigure it from scratch.

9.3. Is it possible to change the WiFi password using a phone?

It's possible. If the phone can access the router's administration page, the process is almost the same as on a laptop, but the screen is smaller and harder to see.

9.4. How often should I change my WiFi password?

There's no fixed limit for every home. You should change it when you've shared it with many people, suspect unauthorized use, or want to periodically increase security.