hello sir..i have a unit VSAP VNNF-1404 case dead not power on..i cant back up bios..anyone have a bios for this model??
-
-
Type the laptop serial number (if available) , full name and model, motherboard model, etc.
post the contents of the bios chip even if it is corrupted..
read the forum rules..https://www.badcaps.net/forum/troubl...before-posting
What is the bios chip part number, is it supported by your programmer.
-
Hello guys ,i have a dell latitude 5590 with f411p bios,this laptop has bios password ,i tried to read the bios(winbond 25q128jv) with ch341 but when goes to verify give error ,it said doesnt match .After this i flashed another bios which is cleaned and then the laptop was dead ,i tried to turn on but only white light in the buton power turned on several times and then no display at all .I had a backup and flashed again the original bios ,but this time the laptop will not turn on at all ,no light nothing,the bios original bios that i flashed was having verify error when i verified with ch341 ,i... -
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.
-----------------------------------------------------------------------------------------
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... -
hallo,
i have an asus X515KA-EJ058W here.
just both leds white...he battery blinking without battery connected
consuming ~400mA and tries to start but nothing happens but fan spinning if cpu gets warm
if i hold the power button it shuts down and consumes ~30mA i cant spot anything getting warm with thermal....the ec/sio a liiiitle but this is maybe normal beacause it is working ?
power on again is possible but again 400mA then and no picture.
now the really strange
i flashed bios (some version i found on the internet) and resoldered....sometimes... -
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,...
Comment