The modern multimedia capabilities of DEXP TVs, whether running Android or proprietary platforms, require stable internet access for streaming, updates, and app functionality. However, users often encounter situations where the device fails to detect the wireless network or refuses to save connection settings, making Smart TV functionality impossible. Understanding the causes of these issues and knowing the correct procedure allows you to resolve the problem without having to contact a service center.
In this article, we'll detail the process of pairing a TV with a router, explore the nuances of working with external adapters, and focus on the intricacies of setting up network protocols. It's important to note that the menu interface may vary slightly depending on the firmware version installed and the specific model, whether it's a budget model. DEXP H32B7000 or a more advanced 4K model of the series UThe correct sequence of actions will help avoid typical configuration errors.
Before launching a thorough diagnosis, it's important to rule out trivial factors such as a temporary software or router glitch. A simple hardware reboot is often sufficient for the system to automatically detect available access points. If the problem is systemic, manual adjustments to TCP/IP and DNS server settings will be required.
Preparatory stage and equipment testing
The first step is a visual and functional check of your equipment's compatibility. Most modern DEXP models have a built-in Wi-Fi module, but budget series or older revisions may lack this functionality out of the box. In such cases, a special USB Wi-Fi adapter compatible with the TV's chipset is required. Manufacturers typically include such adapters in the box or recommend specific models, as drivers for specific devices may not be installed in the system.
Make sure your router is working properly and is transmitting a signal to other devices, such as smartphones or laptops. If the internet is unstable on your phone, the problem lies with your ISP or router settings, not the TV. It's also worth paying attention to the frequency range: many DEXP TVs only support the standard. 2.4 GHz and do not see 5 GHz networks, which is a common cause of confusion among users.
⚠️ Important: If you are using a dual-band router, make sure the 2.4 GHz and 5 GHz networks have different names (SSIDs). The TV may attempt to connect to an incompatible band if the network names are combined into one.
Check the distance between the TV and the router. The signal can be weakened by thick walls, mirrored surfaces, or powerful household appliances that create electromagnetic interference. For initial setup, it is recommended to move the router closer to the TV to prevent a poor signal from interfering with the authorization process.
Basic wireless setup
The wireless network connection process on DEXP TVs is standardized, but requires careful data entry. Menu navigation is done using the remote control, and precise navigation is critical. The process is the same for most Android TV and Linux-based models.
You need to enter the main menu and find the section responsible for network connections. Depending on the interface version, this option may have a different name, but the logic remains the same. After selecting the "Wireless" or "Wi-Fi" connection type, the TV will begin scanning the airwaves.
- Click the button
MenuorSettings(gear) on the remote control. - Go to the section
NetorNetwork. - Select an item
Network setuporWireless. - Turn on the Wi-Fi slider if it is in the Off position.
- Find your network name (SSID) in the list that appears and click OK.
After selecting the network, a virtual keyboard will open for entering the password. It's important to be case-sensitive here, as the password is case-sensitive. Use the navigation buttons to move between characters or switch between numbers and letters. Once entered, click "Connect" or "Done."
☑️ Connection Checklist
If the connection is successful, a signal quality icon will appear next to the network name, and the IP address will appear in the status. However, sometimes the system displays "Obtaining IP address" for an indefinite period. In this case, the automatic address distribution (DHCP) on the router isn't responding, requiring manual configuration, which we'll discuss below. It's also worth checking whether the list of connected devices on your router is full.
Troubleshooting connection issues and obtaining an IP address
A DEXP TV can see the network but can't obtain an IP address, a common occurrence. This means there's a physical connection, but the logical interaction between the devices is disrupted. Most often, this is due to an IP address conflict or a malfunctioning DHCP server on the router.
To resolve this issue, you need to go to advanced network settings. You'll need to find out your local network settings by looking at the settings of any other device that's already successfully connected to this Wi-Fi network. Typically, this includes the gateway and subnet mask.
In the Wi-Fi settings menu, select your network and find "Advanced" or "IP Settings." Switch the mode from "Automatic (DHCP)" to "Manual" (Static). You'll need to enter the following information:
| Parameter | Description | Example of meaning |
|---|---|---|
| IP address | Unique address of the TV on the network | 192.168.1.155 |
| Subnet mask | Determines the size of the network | 255.255.255.0 |
| Gateway | Your router's address | 192.168.1.1 |
| DNS server 1 | Primary name server (Google is fine) | 8.8.8.8 |
Please note that the first three digits of the IP address and gateway must match. If your router's gateway 192.168.0.1, then the IP of the TV should also start with 192.168.0.XIt's best to select a value between 100 and 200 for the last digit (X) to avoid conflicts with other devices that the router automatically assigns.
Why is DNS important?
DNS servers translate human-readable addresses (e.g., youtube.com) into machine IP addresses. If your provider's DNS is slow or blocks resources, replacing it with public DNS from Google (8.8.8.8) or Yandex (77.88.8.8) often speeds up Smart TV menu loading and opens access to content.
Using an external USB Wi-Fi adapter
If the TV's built-in module is faulty or missing, the only solution is to use an external USB adapter. However, not every adapter will work with a DEXP TV. The TV's operating system (especially stripped-down versions of Linux found in older models) has a limited set of drivers.
Adapters on chips show the greatest compatibility Realtek (for example, RTL8188, RTL8192 series) and MediaTek (Ralink). Devices from TP-Link, D-Link, and Asus often use these same chipsets, but be sure to check the chip model before purchasing. 802.11ac (Wi-Fi 5) adapters may not work if your TV only supports 802.11n.
The setup process is simple: plug the adapter into a USB port (preferably a black USB 2.0 port, not a blue USB 3.0 port, as the latter can sometimes interfere with the 2.4 GHz band). After turning it on, the TV should automatically detect the device. The Wi-Fi option, which was previously grayed out, will appear in the network settings menu.
⚠️ Caution: If the TV requires a reboot or displays the message "USB device not recognized" after connecting the adapter, try using a USB extension cable. Direct contact between the adapter and the TV case may cause interference due to the proximity of the TV's shielding elements.
In rare cases, manual driver activation via the engineering menu is required, but for most DEXP users, simply selecting a compatible TV model is sufficient. Lists of compatible devices are often published on forums for owners of specific TV models.
Setting up Wi-Fi sharing from a smartphone
When your home internet connection is temporarily unavailable or your router is broken, you can use your smartphone as a hotspot. This allows you to stream content from your phone to your TV or simply access the internet for software updates. However, this method has its limitations in terms of bandwidth and stability.
To activate tethering mode on Android, go to Settings → Connections → Mobile hotspot & tetheringTurn on the hotspot and set the network name and password. On iPhone, the function is called Modem mode in the main settings.
Connecting a DEXP TV to a smartphone is a standard process: select your phone's name from the list of networks and enter the password. Connection speed will depend on the quality of cellular reception in the room. Often, the 4G signal is weak deep in the apartment, resulting in constant video buffering.
There's also a Smart View (on Samsung) or Cast (on Xiaomi/Android) feature that allows you to display images without a Wi-Fi router, using Wi-Fi Direct technology. In this case, the phone and TV connect directly to each other, creating their own micro-network.
Resetting settings and updating firmware
If none of the above methods help, and your DEXP TV stubbornly refuses to connect to Wi-Fi, there may be a software issue. Accumulated network cache errors or system file conflicts can block the module's operation. In this case, a factory reset may help.
Before resetting, make sure you remember the logins and passwords for your accounts (Google, Netflix, IVI, etc.), as all data will be deleted. It is also recommended to check for system updates if you can connect your TV to the internet via a LAN cable or share your internet connection from your phone.
The reset path is usually located in the section Settings → System → Reset or General → Reset settingsAfter the reboot, the TV will be as good as new, and you will need to go through the initial setup procedure again, including connecting to Wi-Fi.
Firmware updates are another important aspect. Manufacturers periodically release patches that improve the stability of Wi-Fi modules. If automatic updates fail due to a lack of network connectivity, you can download the firmware file from the official DEXP website to your computer, copy it to a USB flash drive (in the root directory), and launch the update from the menu. Support → Software Update → Update via USB.
What should I do if the Wi-Fi module is physically burned out?
If, after resetting the settings and updating the firmware, the TV doesn't detect any networks and the external adapter isn't detected, there's a high probability of a hardware fault in the Wi-Fi module. In this case, the simplest and cheapest solution is to purchase an Android set-top box (TV Box) that connects via HDMI. This will transform any TV into a Smart TV with modern functionality.
Is it possible to connect to a hidden network?
Yes, the network selection menu on DEXP often includes an option to "Add network" or "Enter manually." You'll need to know the exact network name (SSID), security type (usually WPA2-PSK), and password. Hiding the network doesn't provide real security, but it can help in crowded areas.
Why does the TV disconnect from Wi-Fi by itself?
Frequent connection drops can be caused by energy-saving router settings that turn off inactive devices, or by unstable power supply voltage. Try fixing the IP address assigned to the TV in the router settings (DHCP Reservation) so it always receives the same address.
Does antivirus software on a router affect TV connection?
Yes, some parental control features or firewalls on routers (such as Keenetic or Mikrotik) can block unknown devices. Check the client list on your router and ensure that access for your TV's MAC address is not restricted.