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pcbwire
New Member
Last Activity: 10-15-2024, 09:56 AM
Joined: 03-03-2018
Location: Braila
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  • pcbwire
    replied to Need bios LA-E811P
    Re: Need bios LA-E811P

    A friend helped me with a replacement motherboard. The laptop is working now. I kept the damaged motherboard for further work if new ideas arise.

    Thank you very much for your help!
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  • pcbwire
    replied to Need bios LA-E811P
    Re: Need bios LA-E811P



    Hi!
    The BIOS Version before the update wasn't important for me and I didn't take any pictures (I did not see this coming >>> REMINDER! <<<).

    A few minutes ago I desoldered the chip and reprogrammed it (Neo) "success". Verified it "success". Resoldered it ([url]https://i.postimg.cc/7xgTCs27/IMG-20230405-180029.jpg[/url]). I like to use this kind of soldering iron tip for these chips ([url]https://i.postimg.cc/zv9XLYNV/IMG-20230405-181521.jpg[/url]) for less heat transfered to the board...
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    Last edited by pcbwire; 04-05-2023, 10:43 AM.

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  • pcbwire
    replied to Need bios LA-E811P
    Re: Need bios LA-E811P

    Hi! Thank you for coming back!
    The screen is black, ON led is coming on, after a while the HDD is coming on (on but not active), no signal on HDMI, Win+B combination does not recover the bios (but the LED on the USB memory blinks for a second), I replaced the ram - no result, reset the bios (short on battery pins) - no result. All voltages are present 3.3V, 5V, 0.8V, 0.7V and 1.3V.
    Thanks again for your help!
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  • pcbwire
    replied to Need bios LA-E811P
    Re: Need bios LA-E811P

    Hey, thank you very much for your very fast help! I flashed the binary into the chip and the laptop is still locked into a bootloop as before flashing. All the voltages are ok, the problem came up after windows 11 update. There is no backlight problem. The laptop is in a bootloop. Thank you!
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  • pcbwire
    replied to Need bios LA-E811P
    Re: Need bios LA-E811P

    Hello dear friends! Please help me fix this bios dead while windows update! Some firmware update came in windows update, the laptop restarted and it didn't came on for more than an hour. Thank you for your kind help!...
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