Where is the Wi-Fi DNS located on a laptop: finding the module, diagnostics, and configuration

You bought a laptop DNS and can't find where the Wi-Fi module is located? Or has your network signal suddenly dropped and you suspect a hardware issue? In this article, we'll figure it out. Where is the Wi-Fi physically located in laptops?, how to enable it programmatically, and what to do if the module is not detected by the system.

Laptops DNS — these are budget devices assembled in Russia, which are often equipped with Wi-Fi modules from Realtek, Intel or Qualcomm AtherosTheir location depends on the model (for example, DNS Prestigio, DNS Airbook or DNS Thunder), but the general principles of search and diagnostics are the same. We will consider both hardware methods (disassembling the case) and software ones - through device Manager and BIOS.

If you've never disassembled a laptop before, don't worry: in 90% of cases, Wi-Fi issues can be resolved without opening it up. However, if a module is burned out or a contact has come loose, you'll need to look under the cover. We'll explain in detail how to do this safely.

1. Where is the Wi-Fi module physically located in a DNS laptop?

In most laptops DNS The Wi-Fi module is located underneath bottom cover and looks like a small board the size of a coin. It's easily recognizable by the two antennas (thin black or white wires) that are connected to the connectors. MHF4 or U.FL.

Typical locations:

• 📍 Under a separate lid (on some models, for example DNS Airbook 15, there is a small hatch with the inscription "Wi-Fi" or an antenna icon).
• 📍 Under the entire bottom panel (most often - next to the cooler or battery).
• 📍 Built into the motherboard (rarely, usually in ultrabooks DNS Prestigio series Smart).

To pinpoint the exact location, please look marking of your model on a sticker under the laptop (for example, DNS NB15-345) and find a teardown on YouTube. If the model isn't available online, follow these general guidelines:

• 🔧 In 15-17 inches On laptops, the module is usually to the right of the touchpad (if you look at the keyboard).
• 🔧 In compact 13-14" - closer to the center under the battery.

2. What does a Wi-Fi module look like: photo and description

Wi-Fi module in a laptop DNS — is a miniature board with a metal shield (to protect against interference). It usually contains:

• 📶 Two antenna connectors (marked MAIN And AUX or 1/2).
• 🔌 M.2 slot (Key A/E) - this is how the module is connected to the motherboard.
• 🏷️ Sticker with model (For example, Realtek RTL8723DE or Intel Wireless-AC 3165).

Examples of the appearance of popular modules in laptops DNS:

Important: If the antennas are loose or damaged, Wi-Fi will be unstable or not turn on at all. Check their integrity when disassembling!

3. How to enable Wi-Fi programmatically (without disassembling)

Before disassembling the laptop, make sure the module isn't disabled in the system. Here are the step-by-step instructions:

1. Keys on the keyboard: click Fn + F2 (or another function key with a Wi-Fi icon - depends on the model). On some DNS This Fn + F12.
2. Network and Sharing Center:
   1. Click Win + X → Network parameters.
   2. Check if the slider is enabled Wi-Fi.
3. device Manager:
   1. Click Win + R, enter devmgmt.msc.
   2. Expand Network adapters → find the device with Wireless or Wi-Fi in the title.
   3. If there is a yellow triangle nearby, right-click → Engage.

Press Fn+key with Wi-Fi icon|

Check the slider in "Network Settings" |

Launch "Device Manager" and enable the adapter|

Restart your laptop after changes-->

If Wi-Fi doesn't turn on, check:

• 🔋 Airplane mode: disable it in the notification panel.
• 🔄 Drivers: update them through device Manager (right click on the adapter → Update driver).
• ⚡ BIOS: sometimes Wi-Fi is disabled at the firmware level (see section 5).

4. How to access the Wi-Fi module: step-by-step disassembly

If software methods don't help, you'll have to disassemble the laptop. Please note: this will void your warranty! If your laptop is under warranty, please contact the service center. DNS.

You will need:

• ✅ Phillips screwdriver (usually PH0 or PH1).
• ✅ Plastic spatula (pick) for separating latches.
• ✅ Anti-static wristband (optional, but recommended).

Disassembly instructions (using an example) DNS Airbook 15):

1. Turn off your laptop, disconnect the charger and remove the battery (if it is removable).
2. Turn the laptop over and remove all the screws on the bottom cover (they may be hidden under the feet!).
3. Carefully pry the lid open with a plastic spudger, starting from the corner. Be careful—the latches are fragile!
4. Find the Wi-Fi module (see section 1) and check:
   • 🔌 Are the antennas connected (if not, connect them).
   • 🔧 Does the module fit tightly in the slot? M.2 (remove and reinsert if necessary).

What to do if the screws won't come off?

If the screw is stripped, try:

1. Use a screwdriver with a magnetic tip.

2. Place a drop of superglue on a screwdriver, press it against the screw and wait 1 minute.

3. As a last resort, carefully drill it out (only if the laptop is not under warranty!).

⚠️ Attention: If after disassembling the Wi-Fi works, but after a while it disappears again, the problem may be in module overheatingCheck if the laptop's ventilation holes are clogged with dust.

5. Checking the Wi-Fi module in BIOS

Sometimes Wi-Fi is disabled at the BIOS level. To check:

1. Restart your laptop and press F2, Del or Esc (depending on the model) to enter BIOS.
2. Find the section Advanced → Wireless or Onboard Devices.
3. Make sure the parameter Wireless LAN or Wi-Fi installed in Enabled.
4. Save changes (F10) and reboot.

⚠️ Attention: If there is no option to enable Wi-Fi in the BIOS, then the module is either faulty, or The motherboard doesn't recognize it. In this case, only replacement or repair will help.

6. Replacing the Wi-Fi module in a DNS laptop

If the old module is burned out or does not support modern standards (for example, Wi-Fi 6), it can be replaced. For laptops DNS modules with a slot will fit M.2 2230 Key A/EPopular options:

Module model	Wi-Fi standard	Bluetooth	Price (2026)
Intel AX200	Wi-Fi 6 (802.11ax)	5.2	~2500 ₽
Realtek RTL8852AE	Wi-Fi 6	5.2	~2000 ₽
Broadcom BCM94360NG	Wi-Fi 5 (802.11ac)	4.2	~1500 ₽

How to replace:

1. Purchase a compatible module (see table above).
2. Remove the old module (by gently pulling on the edges).
3. Insert the new one at an angle of ~30° and secure with a screw.
4. Connect the antennas (follow the order: MAIN To MAIN, AUX To AUX).
5. Install the drivers from the module manufacturer's website.

Critical detail: If Wi-Fi does not work after replacement, check if your model supports it DNS New module. Some laptops have a "white list" of allowed devices in the BIOS.

7. Common Wi-Fi Problems in DNS Laptops and Their Solutions

Here are typical malfunctions and how to fix them:

• 🔴 Wi-Fi doesn't turn on at all:
  • Check the physical connection of the module and antennas.
  • Update your BIOS (download the firmware from official DNS website).
• 🟡 The network keeps breaking down:
  • Change the channel on your router (for example, from Auto on 6 or 11).
  • Turn off power saving for the adapter in Device Manager (adapter properties → Power management).
• 🟢 Slow Wi-Fi speed:
  • Check the network standard on your router (it should be 802.11n/ac/ax, and not 802.11b/g).
  • Install the driver from the module manufacturer's website (not from Windows Update!).

FAQ: Frequently Asked Questions about Wi-Fi on DNS Laptops

My laptop's DNS can't see the network, even though Wi-Fi is on. What should I do?

First check:

1. Is Wi-Fi working on other devices (phone, tablet)? If not, the problem is with the router.
2. IN Device Manager Are there any errors with the network adapter?
3. Are the antennas disconnected (see section 4).

If nothing helps, try resetting your network settings: Settings → Network & Internet → Network reset.

Is it possible to install a DNS Wi-Fi module with Wi-Fi 6 support in a laptop?

Yes, but with some reservations:

• The module must be of the format M.2 2230 Key A/E.
• BIOS should not block non-original modules (tested experimentally).
• For Wi-Fi 6 to work properly, you need a router that supports this standard.

Recommended models: Intel AX200, Intel AX210, Realtek RTL8852AE.

After replacing the module, Windows doesn't detect Wi-Fi. What should I do?

Possible reasons:

1. Drivers are not installed. Download them from the module manufacturer's website (for example, Intel or Realtek).
2. The module is incompatible with the laptop (see the "white list" in BIOS).
3. Poor contact in the slot M.2Try reinstalling the module.

Where can I download Wi-Fi drivers for my DNS laptop?

Official sources:

• Website DNS support (enter laptop model).
• The website of the module manufacturer (for example, Intel For Intel Wireless).

⚠️ Do not download drivers from third-party websites - they may contain viruses!

How can I check if my Wi-Fi module is working without disassembling my laptop?

Diagnostic methods:

1. Launch Command line as administrator and enter:

   netsh wlan show drivers

   If the response contains a string Radio type: 802.11n/ac/ax — the module is recognized.

2. Check it out device Manager: If the adapter is displayed without errors, the problem may be in the Windows or router settings.

If your problem is not resolved, please specify your laptop model. DNS and describe your symptoms in the comments – we'll help you figure it out!