In today's digital world, the need to quickly transfer large amounts of data between devices is often urgent, and using cloud storage or USB drives isn't always convenient. Establishing a direct wireless connection between two laptops allows you to create a fully-fledged local network, ensuring high-speed data exchange without a router. This method is especially useful when transferring files weighing tens of gigabytes or collaborating on a project without internet access.
There are several ways to implement such a connection, each with its own technical features and hardware requirements. You can use the operating system's built-in tools to create a computer-to-computer network or use mobile hotspot mode. The choice of a specific method depends on the operating system versions on both devices and the availability of network adapter drivers.
In this article, we'll cover every setup step in detail, from checking your hardware to troubleshooting common connection errors. We'll cover both classic methods for Windows 10 and 11, as well as alternatives that can be useful in unusual situations. Understanding how local networks work will help you not only connect devices but also secure the data you transmit.
Preparing equipment and checking drivers
Before you begin setting up your network, you need to make sure the network adapters on both laptops are working properly. Most modern devices are equipped with modules. Wi-Fi, supporting the 802.11n, ac, or ax standards, which guarantees sufficient throughput for file transfers. If one of the laptops is older and doesn't have a built-in wireless module, an external USB adapter will be required.
A critical step is to install the latest drivers, as they ensure stable operation. network cardGo to Device Manager and check the "Network Adapters" section. If there's a yellow exclamation point next to the device name, the driver is missing or not working properly. In this case, download the software from the laptop manufacturer's official website or use automatic updates.
How to check access point mode support
Enter netsh wlan show drivers in the command prompt. In the window that opens, find the line "Hosted Network Support." If it says "Yes," your adapter can function as an access point. If it says "No," you'll need to update your drivers or replace the adapter.
It's also worth paying attention to power settings that can turn off the adapter to save power. Go to the adapter properties, select the Power Management tab, and uncheck the box next to "Allow the device to turn off." This will prevent unexpected connection interruptions during data transfers.
- 🔌 Make sure that Wi-Fi is physically turned on (hardware switch or Fn key combination).
- 💻 Check the driver version in Windows Device Manager.
- 🚫 Disable Airplane Mode on both laptops before starting setup.
- 🔋 Set the power plan to High Performance for your network adapter.
Creating a Computer-to-Computer Network in Windows
One of the classic connection methods is creating an ad-hoc network, where laptops connect directly to each other without a router. In older versions of Windows, this process was standardized, but in Windows 10 and 11, Microsoft slightly modified the logic, emphasizing mobile hotspot mode. Nevertheless, the basic principles remain the same. local network remained the same.
To begin the process, open the Network and Sharing Center on the first laptop (which will act as the server). Go to the new connection settings and select "Set up a new connection or network." Next, select "Set up a wireless ad hoc network." If this option is not available, the system may require access point mode.
In the window that opens, you need to enter the network name (SSID) and select the security type. Encryption is recommended. WPA2-Personal, as it ensures reliable protection of transmitted data from unauthorized access. Create a strong password that will need to be entered on the second laptop to connect.
⚠️ Note: When creating a computer-to-computer network, the first laptop becomes the host. If it shuts down or goes into sleep mode, the connection will be lost, and the second laptop will lose access to resources.
After creating the network on the first device, scan for available wireless networks on the second laptop. Find the name you created in the list and click "Connect." The system will prompt you for the password you set earlier. After successful authentication, Windows will identify the network as private, automatically enabling the necessary firewall rules to detect devices.
☑️ Check network settings
Using Mobile Hotspot Mode
Modern versions of Windows 10 and 11 significantly simplify the process of establishing a connection using the built-in "Mobile Hotspot" feature. This method effectively turns one laptop into a virtual router, distributing internet or creating a local network for other devices. This is the most stable and simple method for most users.
To activate this mode, go to the Start menu, select Settings, and open Network & Internet. In the left column, find Mobile Hotspot. Here, select your connection source (usually Ethernet or Wi-Fi, if you have internet access) and configure the shared network settings. You can change the network name and password by clicking the Change button.
The choice of frequency range is important. If both laptops support the standard 5 GHz is the best choice, as it provides higher data transfer rates and is less susceptible to interference. However, if one of your laptops is older, use the 2.4 GHz band for maximum compatibility.
| Parameter | 2.4 GHz band | 5 GHz band |
|---|---|---|
| Transfer speed | Up to 150-300 Mbps | Up to 866 Mbps and higher |
| Range | High (up to 50 meters) | Medium (up to 20 meters) |
| Interference resistance | Low (many neighboring networks) | High |
| Compatibility | Universal | Only new adapters |
After you enable the "Allow access to my internet connection..." switch, the laptop will begin broadcasting a signal. On the second device, simply connect to this network as if it were a regular Wi-Fi hotspot. The system will automatically assign IP addresses via DHCP, and the devices will be able to see each other in the network environment.
Setting up shared access to files and folders
Simply connecting two laptops via Wi-Fi doesn't automatically provide file access; you need to properly configure access rights in the operating system. Without this step, you'll see the devices on the network, but you won't be able to open any folders. This is a basic step. network security, preventing unauthorized access.
To get started, open Control Panel and go to Network and Sharing Center. On the left, select Change advanced sharing settings. Here, you need to enable network discovery and file and printer sharing for the current network profile (Private). It's also recommended to disable password-protected sharing if you completely trust the connected device and are in a secure environment.
After enabling general settings, you need to select the specific folder you want to share. Right-click the folder, select "Properties," and then go to the "Sharing" tab. Click the "Sharing" button, select "Everyone," and add them to the list, setting the permission level to "Read and Write."
Now, on the second laptop, open File Explorer and enter the IP address of the first laptop in the address bar. You can find it by opening the command prompt on the first device and entering the command ipconfigYou will be asked to enter the login and password for the first laptop account if password protection has not been disabled.
- 📁 Open the folder properties and go to the "Sharing" tab.
- 👥 Add the user "Everyone" with read and write permissions.
- 🔓 Disable password protection in advanced settings (if safe).
- 💻 Use an IP address to connect directly to resources.
File transfer and remote control
Once the network and sharing are successfully configured, you can use various methods to communicate between laptops. The simplest method is drag-and-drop in the Network Neighborhood window. However, for larger data volumes or regular synchronization, specialized software or built-in tools are more convenient.
Windows has a feature called "Nearby Sharing," which allows you to transfer files via Bluetooth and Wi-Fi Direct without the need for complex folder setup. To use it, ensure that "Send and receive files between devices" is enabled in the Bluetooth settings on both laptops. Then, simply right-click the file and select "Share."
For more advanced users, a protocol is available RDP (Remote Desktop Protocol), which allows full control of one laptop's screen from another, is used. To do this, enable remote connections in the system properties on the host computer, and use the standard Remote Desktop Connection application on the client computer.
⚠️ Important: When using Remote Desktop, ensure that both laptops have different computer names. If the names are the same, a conflict will occur and the connection will be impossible.
An alternative to built-in tools can be programs like Total Commander With a LAN plugin or specialized synchronization utilities like Resilio Sync or Syncthing, these create an encrypted tunnel between devices and automatically track file changes, making them ideal for project collaboration.
Diagnostics and solution
Even with proper configuration, situations may arise where laptops cannot see each other or the connection is unstable. Often, the problem lies in Windows Firewall settings, which block incoming connections. Check the list of allowed applications in the firewall and ensure "File and Printer Sharing" is checked.
Another common cause is a difference in SMB protocol versions. If one laptop runs Windows 10/11 and the other runs older versions of Windows XP or 7, you may need to enable SMB 1.0 support in Windows components. However, this should be done with caution, as this protocol is vulnerable.
If your data transfer speed is extremely low, check whether your Wi-Fi channel is being used by nearby networks with high traffic. In this case, changing the channel in the virtual access point settings or using the 5 GHz band, if your equipment supports it, may help. You should also update your router's firmware if you're connecting through it.
⚠️ Note: Operating system interfaces and menu item names may vary depending on the Windows version and installed updates. If you can't find the item you're looking for, try searching for it in your system settings.
If all else fails, try resetting your network settings. In Windows 10 and 11, you can do this via Settings -> Network & Internet -> Network Reset. This will delete all saved Wi-Fi passwords and restore your network settings to factory defaults, which often resolves software conflicts.
Why can't the second laptop see the folders of the first one, even though Wi-Fi is connected?
The problem is most likely with your network profile. If Windows detects the network as "Public," it's blocking device discovery for security reasons. Go to the Wi-Fi connection properties and change the profile to "Private." Also, check that the "Discovery Provider Host" service is enabled in the list of services (services.msc).
Is it possible to connect laptops via Wi-Fi if one of them is running macOS?
Yes, this is possible. On a Mac, you need to create a network under "Network" -> "Wi-Fi" -> "Create Network." However, to share files, you'll need to set up File Sharing (SMB) in macOS System Preferences and connect to it from Windows using smb://Mac-IP-Address.
What is the maximum data transfer speed between laptops via Wi-Fi?
Speed depends on the Wi-Fi standard. For 802.11n (2.4 GHz), the actual speed will be around 20-30 MB/s. For 802.11ac (5 GHz), speeds can reach 50-80 MB/s and higher, which is comparable to fast USB 2.0 but slower than USB 3.0.
Is it safe to transmit banking data over the created network?
If you use WPA2 encryption and a strong password, the risk of interception is minimal. However, for critical transactions (such as banking), it's always preferable to use a wired connection or mobile internet, as a local network is still less secure than a direct connection to your ISP.
What should I do if the connection keeps dropping?
Check your adapter's power saving settings (disable power saving). Make sure the laptops are within line of sight. If you're using the 2.4 GHz band, try changing to a less crowded channel (1, 6, or 11).