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Steven PooleSep 12, 2025
Why my LG LCD TV doesn't recognize external device?
- EEddie CombsSep 12, 2025
If your LG LCD TV is not recognizing an external device, ensure that the external device is powered on and connected properly to the TV.

Why my LG LCD TV doesn't recognize external device?
If your LG LCD TV is not recognizing an external device, ensure that the external device is powered on and connected properly to the TV.
How to eliminate circuit or mechanical noise from my LG 42LW5400?
To address circuit or mechanical noise coming from your LG LCD TV, check for any loose parts inside the TV. Also, make sure the TV is placed on a stable surface.
| Screen Size | 42 inches |
|---|---|
| Resolution | 1920 x 1080 |
| Display Type | LCD |
| Backlight Type | LED |
| Refresh Rate | 120 Hz |
| HDMI Ports | 4 |
| USB Ports | 2 |
| Audio Output | 20W |
| Smart TV | Yes |
| 3D | Yes |
| Ethernet Port | Yes |
| Wi-Fi | Yes |
| Energy Efficiency Class | A |
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