Buffering means Netflix is not receiving video data fast or steadily enough. The show may start, pause with a spinning circle, play briefly, and pause again.
This is usually a network problem between the TV and the internet, not a broken TV. These steps apply to Netflix on Samsung, LG, Roku, Fire TV, Apple TV, Vizio, Wi-Fi, and Ethernet.
Does this affect you?
Use this if Netflix plays but repeatedly stops to load. If Netflix closes or freezes without a loading circle, troubleshoot crashing instead.
Test and improve Wi-Fi
- Open Settings > Network on the TV or streaming device.
- Run the built-in connection or speed test.
- Compare the result with Netflix recommendations: about 3 Mbps for 720p HD, 5 Mbps for 1080p, and 15 Mbps for 4K Ultra HD.
- Move the router and TV closer if signal is weak.
- Restart the router by unplugging it for 30 seconds.
- Pause other heavy streaming, gaming, downloads, or video calls.
Walls, cabinets, floors, and appliances can weaken Wi-Fi. A speed test is only a snapshot, so intermittent interference can still cause buffering even if one test looks fine.
Use Ethernet if possible
- Check the TV or streaming box for an Ethernet port.
- Run an Ethernet cable from the router to the device.
- Select wired network if prompted.
- Run the network test again.
Ethernet removes Wi-Fi interference completely and is the most reliable fix for chronic buffering near entertainment centers.
Lower Netflix streaming quality
If the internet plan or Wi-Fi cannot support high quality, reduce data usage from Netflix account settings.
- Sign in to Netflix on a phone or computer.
- Open Account.
- Under Profile & Parental Controls, choose the profile.
- Open Playback Settings.
- Set Data Usage per Screen to Low or Medium instead of High or Auto.
- Save and reload Netflix on the TV.
Lower quality uses less data each second. It is a practical workaround and a useful test to prove the connection is the bottleneck.
If buffering continues on a fast connection
Ask your internet provider about peak-hour streaming throttling if buffering is worse in the evening. Update the TV or streaming device software, because old software can mishandle video buffering.
Routers more than four or five years old may struggle with modern 4K streaming and many connected devices. If restarts and placement do not help, a newer router can solve persistent buffering.
Sources
- Netflix Help Center – Buffering or Slow Loading Videos (2025)
- Netflix Help Center – Internet Speed Recommendations (2025)
- FCC Consumer Guide – Wi-Fi Router Placement and Interference (2025)