USB PORT FAIL
LG TV & Audio · S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos
USB port for music playback or firmware updates stops functioning. Caused by physical damage, ESD damage, or failed USB controller IC. Does not affect audio on other inputs. If no USB drive is recognized, controller has failed.
Error USB PORT FAIL on the LG TV & Audio S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos means: USB Port Failure. The top-ranked community fix is “Replace the USB Controller Board or USB Port Assembly” (hard difficulty, ~90 min, DIY cost: $15-$25). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · soundbar
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 soundbar repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $120-$180.
Amplifier Board Failure
HDMI ARC Board Failure
HDMI ARC Connection Not Established
Soundbar Turns Off Unexpectedly
Bluetooth Pairing Failed
Sound Distortion at Volume
Unsupported Audio Format
All LED Indicators Blinking — System Error
The LG TV & Audio S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos has 8 other known error codes:
Error code USB PORT FAIL also appears on 2 other LG TV & Audio models:
Ad Space — banner
Replace ADSENSE_PUBLISHER_ID in AdUnit.tsx