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Hp 15 laptop black screen with capslock blinking

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    Hp 15 laptop black screen with capslock blinking

    Hello,
    problem: trying to upgrade the memory the laptop turn on normally but it freeze before schowing the desktop. I force the shut down by pressing the power button and reboot it. But in this time the capslock blinking with 5 long and 3 short, nothing appear in the screen, it's black.
    solutions trying:
    - Remove the new RAM - booting with windows and B key pressing (nothing happened)
    - update the Bios with usb (won't updating)
    - remove the bios chip from motherboard and reprogram it with CH341A and *.bun file that was posted by a member in (bios request only section)
    But the problem stay the same bithing change
    Specs:
    - Laptop: HP 15-bs041nk
    - motherboard: CSL50/CSL52 LA-E801P Rev : 2.0
    - Original RAM: 8GB 1Rx8 PC4 - 2400T - SA1 - 11 (Samsung)
    - RAM module added: DDR4 8GB 2400Mhz CL17 1.2V (patriot)
    - Bios chip: 25Q64JVSIQ
    Thank you for your intentions
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