E11
Vizio · OLED 55" 4K 55 in 4K UHD OLED Smart TV with HDR and Voice Control
The TV’s Ethernet port is not responding or establishing a network connection. This may be caused by hardware failure or firmware issues.
Error E11 on the Vizio OLED 55" 4K 55 in 4K UHD OLED Smart TV with HDR and Voice Control means: Ethernet Port Not Functioning. The top-ranked community fix is “Replace Ethernet Network Board” (medium difficulty, ~35 min, DIY cost: $45-$70). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · tv
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many tv repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $140-$200.
The Vizio OLED 55" 4K 55 in 4K UHD OLED Smart TV with HDR and Voice Control has 8 other known error codes:
Error code E11 also appears on 5 other Vizio models:
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