LA-821p bios clean me

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  • TripTop
    Dell Latitude E7270 - Requesting BIOS clean/corrupt? service tag CB00KC2
    by TripTop
    Hi

    i have dell latitude E7270 with following symptoms:
    - takes long time to restart.
    - sometimes powers on and then off
    - sometimes while working it just dies,

    From googling online bios clean could possible resolve this?

    i was able to save bios and was going to try bios clean myself but get an below error when i drop it in ME analyzer.(unsure whether this sometimes occurs or could be due to bad/corrupt bios)

    As ME analyzer gave me an error i just decided to write bios with a cleaned bios from E7270 bios post.
    I reinstall...
    09-09-2024, 02:05 PM
  • 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
  • iZakre
    HP Pavilion 15 bc400ns - Complete Black Screen - Only video on live usb
    by iZakre
    Hello everybody!

    To put you in context I recently replaced the battery from my HP Pavilion 15 bc400ns with a used one, everything was going good. The same day, I decided to update the BIOS, everything went good. The thing occurred after I let the battery drain iddling on Windows 11 for the second time to calibrate it that the screen did not turn on again, the computer was on but the screen did not turn, like it would not wake from hibernation. I decided to restart the computer but got no video.

    The thing is that I had installed TeamViewer and could log into the computer...
    02-19-2023, 02:27 PM
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