casper a15hc rev:2.1
masters i need bios
masters i need bios
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Re: casper a15hc rev:2.1
help please -
Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
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Re: casper a15hc rev:2.1
casper a15hc rev:2.1
I can't backup original biosComment
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Re: casper a15hc rev:2.1
does not trigger
i found this, black screen when i install graphics
rev 2.0 this is mine rec 2.1Last edited by baki60; 11-29-2022, 02:20 AM.Comment
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Re: casper a15hc rev:2.1
bad gpu or gpu ramComment
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Re: casper a15hc rev:2.1
masters this worked i shareComment
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thank
youComment
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
Hello everyone. Unfortunately, it is very difficult to find this in many sources on the internet.
Available on most paid sites. I am sharing these for you by pulling them from original working computers.
The 15YA bios version works on all PCs, it is the version used only on the card with USB 3.0, which is the upper version of the 15HC model, but it works without any problems on the card with A15HC nvidia GPU. Other versions are the UMA version that fits with Nvidia gpu and OB vga or with Nvidia gpu canceled.
The only difference is that the A15YA version requires... -
First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
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... -
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,...
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