HP 15-bs101nh

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  • mitchw
    HP 14s-fq1010nm Black screen after BIOS update - cannot downgrade
    by mitchw
    Just had a customer bring in a HP 14s-fq1010nm to do some maintenance.
    After updating the BIOS to the latest (F.35) I get black screen (no backlight turning on). However the backlight turns on if I connect an external display to HDMI, but when booting to Windows, both displays remain black.
    After disconnecting internal LCD, and plugging in external display via HDMI, it works on external.

    I tried downgrading it using official method - using an USB drive with older BIOS version, but it fails, saying that the BIOS files are corrupted. I used about 5 different older BIOS versions...
    04-29-2025, 03:45 PM
  • BlueNitesFire
    I need Lenovo yoga 6 13ARE05 bios- broken screen and no bright light on keyboard
    by BlueNitesFire
    So I couldn't remember my bios password and since it was broken screen, I used to connected to the TV via Type C to HDMI. So I decided to remove the Bios chip and reprogram the Bios chip with ch314a.. when I try to solder Bios on the laptop, one of the Bios leg broke off.. I bought a new blank Bios chip so I can programmed by flashing on the bios.
    03-08-2025, 03:49 PM
  • Technodoc
    ASUS G614JZ-N3012W Rog Strix need some bios help, laptop black screen
    by Technodoc
    Asus laptop G614JZ-N3012W Rog Strix with i7

    Mainboard G634J-PMV-VGT
    6050A3441302-MB-A01
    2023-02-10

    Power button works okay....power light goes on
    Red "bottom" leds go on
    Charging led works

    Fans do not spin, capslock key does nothing, screen stays black

    I would like to program the bios again, to rule out a corrupted bios.
    However I run into a size error

    The bios chip is a Winbond 25R256JVEN
    Used my Xgecu T-48 to read the bioschip (using select chip as type XM25QH256B @WSON8, read somewhere...
    02-24-2025, 04:46 AM
  • jbonavita
    ASUS TP500LA BIOS request/repair/merge?
    by jbonavita
    Hi, my laptop wont boot at all
    With original bios no POST, only LED lights
    With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
    Some issues
    A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
    B- If updated from 500LN version 203 to 300, the battery stops being recognized

    Things I tried

    1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble...
    04-29-2025, 09:38 PM
  • zenius
    [REQUEST] Dell G3 3579 BIOS Password & AMI Protected Range/BIOS Guard Unlock
    by zenius
    Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.

    Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
    12-08-2024, 06:13 AM
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