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santiago_2010

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santiago_2010

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May 24th, 2024 00:15

Dell Latitude 5480 hardware problem

so a few days ago my laptop was working completly fine, one day before i went to sleep i turned it off but the next day when i tried turning it on, the power button light would go on like 5-10 seconds and then it would turn off, not a single sound, the screen doesn't give any light, anything, if i plug the charger in it's the same, the charging light goes on for a few seconds until i try turning the laptop on, then it's not charging anymore, i have searched through internet for countless hours a solution, and still nothing, ram is fine, i changed the bios, the battery isn't the problem, it's still the exact same.
also if i connect an aditional Rgb keyboard through USB, and turn the laptop on, the rgbs appear for a few seconds on the external keyboard, but not in the laptop keyboard.
  • Chino de Oro

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    Posted May 24th, 2024 04:44

    With the power adapter plugged in, press and hold the power button for 30 - 35 seconds.  Power button light should blink 3 times.  Release the power button, your system will alert you to adjust time and date.  Make adjustment in BIOS settings to match with hardware setup.

    If you can see Dell logo, tapping F12 for one time boot menu and run a diagnostics to detect hardware issue.

    If the system does not POST, review this article for troubleshooting  https://www.dell.com/support/kbdoc/en-us/000141584/how-to-troubleshoot-a-no-post-issue-on-a-dell-notebook-pc