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Repair guides for displays (or monitors) for computers or other devices with video output.

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Dell E2009W constantly has vertical light bars

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Garbage-picked Dell monitor has vertical bars on constantly. I’m pretty sure it has to do with the backlight. I’m not sure if I can do anything but replace the backlight and the LCD. Any other suggestions?

I appreciate any comments

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Hi @qwrtey ,

The backlights seem to be on full intensity so they seem to be working, but it should be a black screen with just the message showing which is the usual display with no signal input message. So maybe they’re on when they shouldn’t be on if you get what I mean

Check if you can view the monitor’s OSD menus OK.

Here’s what I think is the relevant troubleshooting section from the service manual, which may be a good place to start.

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Kevin U sarà eternamente grato.
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