WiFi Card
A small M.2 or PCIe card providing wireless connectivity. WiFi cards can fail after liquid exposure or physical impact — and on most laptops they’re replaceable in under 30 minutes.
- What It Is
- Signs of WiFi Card Failure
- Software vs Hardware Fault
- People Also Ask
The WiFi card provides the laptop’s wireless networking capability — both WiFi and Bluetooth, usually on the same card. It connects to the motherboard via an M.2 slot or, on older laptops, a PCIe mini card slot.
On most laptops the WiFi card is separately removable — two small antenna cables connect it to antennas embedded in the screen bezel. Replacement is typically straightforward.
- No WiFi networks detected — adapter not showing in Device Manager
- WiFi disconnects frequently or at random
- Extremely slow speeds compared to other devices on the same network
- Bluetooth also not working (both are usually on the same card)
- WiFi stopped working after a liquid spill or physical impact
- Driver reinstallation doesn’t fix the issue
WiFi issues are frequently software-related — corrupted drivers, Windows updates, or incorrect settings. Before assuming hardware failure, try reinstalling the WiFi driver and running Windows Network Troubleshooter.
Hardware failure is indicated when the adapter doesn’t appear in Device Manager at all, or when the problem appeared suddenly after physical damage or liquid exposure.
Why does my laptop WiFi keep disconnecting?
Frequent disconnections can be a driver issue, Windows power management settings, or early hardware failure. In Device Manager, disable “Allow the computer to turn off this device to save power.”
Can a WiFi card be upgraded to a faster version?
Yes — upgrading from WiFi 5 to WiFi 6 is possible if the M.2 slot and BIOS are compatible. An inexpensive upgrade that can noticeably improve wireless speeds.
How much does WiFi card replacement cost in Singapore?
WiFi card replacement is one of the more affordable laptop repairs. Free diagnosis at Affordable Laptop Services to confirm hardware vs software fault before replacing.
Free diagnosis to confirm hardware vs software fault. Same-day WiFi card replacement.
