TV cannot find a 5 GHz Wi-Fi network

Look up the full model code in the TV’s manual or manufacturer support page and check its wireless-network specifications. A brand name or the words Smart TV do not establish radio capability. A separate HDMI streaming device has its own Wi-Fi specification too: Google states that first-generation Chromecast works only on 2.4 GHz. That limit belongs to that receiver, not automatically to the television it is plugged into.

1. Find the exact model number on the TV label, its system information screen, or the original purchase record, then check the maker’s specification for Wi-Fi bands.

   You can tell whether 5 GHz is supported before spending time changing router settings.

   If that does not help: If the model code is incomplete, photograph the label if accessible and ask the manufacturer to identify it.

2. If the TV supports only 2.4 GHz, check whether the router broadcasts a 2.4 GHz network name and connect to that one.

   The network should appear if the router’s 2.4 GHz radio is enabled, its name is visible, and signal reaches the TV.

   If that does not help: Ask whoever manages the router whether a compatible 2.4 GHz network is available; do not try to force the TV onto a band it does not support.

A dual-band router may show one combined network name, or separate names for its 2.4 GHz and 5 GHz radios. The TV may choose a band automatically when the router combines them, so not seeing a separate ‘5G’ name does not always mean 5 GHz is unavailable. Check the TV’s connected-network details and the router’s own documentation before splitting names or changing band steering.

1. Check whether the 5 GHz radio is enabled and whether its network name is hidden in the router settings, if you administer the router.

   If it is disabled or hidden, the TV may not show a selectable 5 GHz name.

   If that does not help: If you do not manage the router, ask the ISP or owner to confirm the network configuration rather than changing it without permission.

2. Compare the TV’s location with a phone’s Wi-Fi list beside the television, then compare again near the router.

   If the 5 GHz network appears only near the router, coverage or obstacles may limit detection at the TV. A nearby phone is a rough comparison, not proof that both devices have identical radio capability.

   If that does not help: If the network is absent everywhere but the router says it is enabled, confirm the TV’s supported channels and security settings in its manual or with the manufacturer.

3. If you change one router setting for a test, record its original value and change only that setting, preferably with the router maker’s guidance.

   A controlled comparison can show whether the change affects visibility or connection.

   If that does not help: Restore the original setting if the result is worse or uncertain. Avoid changing channel width, region, security mode and band names all at once.

5 GHz and 2.4 GHz are different Wi-Fi bands, not a quality ranking that applies in every room. The TV and router both need compatible settings, and distance and walls affect the signal the TV receives. If 2.4 GHz works and provides stable streaming, there is no need to switch purely because 5 GHz sounds newer. Use only bands and settings documented for your exact TV or streaming receiver.

Share the TV’s full model number, the bands listed in its manual, router model, whether the 2.4 GHz name appears, whether the 5 GHz name appears on a phone beside the TV, and any error the TV shows when joining. This separates a model limitation from a router visibility or coverage issue without guessing at a Wi-Fi board fault.

• Connect your Samsung TV to the internet — checked 2026-10-24
• Google streaming device Wi-Fi troubleshooting and first-generation band limit — checked 2026-10-24

Do all smart TVs support 5 GHz Wi-Fi?

No. Wi-Fi band support varies by exact TV model and sometimes by streaming device. Check the model manual or manufacturer specification.

Why does my phone see 5 GHz but my TV does not?

The TV may not support that band, may not support the router’s current channel/settings, or may be too far away for a reliable signal. Verify the model specification before changing router configuration.

Should I split my router’s 2.4 GHz and 5 GHz network names?

Not as a first step. Some routers combine bands under one name and devices select automatically. Check the TV and router manuals, then make one reversible change only if the manufacturer or ISP recommends it.