Westinghouse TV Black Screen. Westinghouse TV’s black screen is another common issue with Westinghouse TV. The problem occurs in the case of faulty HDMI, enabled sleep mode, or the incorrect input source of the A/V cables. When Westinghouse TV turns on but no picture, a broken backlight can probably be the culprit behind this. Solutions: How to Fix Backlight on TV? Step 1: Test the Power Supply Board & Led Strips. Most TVs feature the led driver on the powerboard itself, but some Step 2: Open the Rest of the TV. Follow the steps below if the backlight strip needs to be replaced. You do not need to Step 3: Change Backlight of Generally, sudden power surges, overheating, and faulty LED bulbs can cause the TV backlight to fail. Cause of TV Backlight Failure. Possible Fixes and Prevention. Power Surge. 1. Perform a power drain by unplugging the TV, holding the power button for 30 seconds, and turning it on. 2. If all your cables have a snug fit but the problem persists, try connecting the device to another TV. If your TV screen is still blacked out, you may need new cables. 3. Backlight Problems. Some TV displays, such as LCD screens, use a backlight to illuminate the picture. If the backlight burns out or stops working, it will result in a blank TV Past 7 Days: 6. Past 30 Days: 39. All Time: 1,474. LED burnout is very common and somewhat unavoidable. After replacing the LEDs, try to turn your TV's brightness down, as it will put less stress on the LEDs. - Samsung Television. Common symptoms of LED TV backlight failure include a black screen with audio, a dim or flickering screen, half-dark screen, dark spots, a blue screen, and bright spots. Backlight failure in TVs can be caused by power surges, defective LED bulbs or driver boards, failed power inverters, faulty powerboards, physical damage, and water damage. .

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