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When an LCD panel is very dim and brightness adjustments don't help what component is likely to be the problem?
Wiki User
∙ 8y ago
The inverter. The inverter converts DC to AC used to power the back-
lighting of the LCD panel. Check with the notebook manufacturer to
confirm that it makes sense to first try replacing just the relatively inexpensive inverter board
before you replace the more expensive entire LCD panel assembly.
Wiki User
∙ 8y ago
Wiki User
∙ 14y agoVideo Inverter Card
6th Edition, Page 1103
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When an lcd panel is very dim and brightness adjustments don't help what componet is likely to be the problem?
LCD monitors use a back light to generate the light needed for the LCD panel to operate. In most monitors, the light source is a cold cathode tube or several of them. As the tubes age, they tend to get dimmer. That is probably the most likely cause of the problem but it may also be the power supply that drives the tubes, known as an inverter. There are other possible causes but the back lighting is certainly the first place to start looking. ----------------------------------------------------------------------------------------------------- Video Inverter
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