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In this video I want to show a generic tip that can be applied to several LCD monitors when they have no signal at all (dead). Not even a single LED is lit. I hope it helps many people. Link to download the LCD monitor schematic: https://mega.nz/file/TE8RlIIQ#IcvYlGp... Do you need to repair your notebook, video card or computer motherboards? Contact to request courses or services: *IMPORTANT!!!*: This number is only for people who want to request our courses or services. Unfortunately, there is no way to stop our work to provide free help remotely, since many people contact us for this purpose. I hope you understand our situation. WhatsApp: 11- 9 9548-4323 (Audio or text messages only). Those interested in courses can also send messages to the email [email protected] Note: All of our courses will be online and related only to repairing notebook motherboards, of all architectures. We are in Osasco - SP Thank you.