Completely lost here. Have this Lenovo GS450/GS550&GS750 NM-C821 Rev 1.0, which turns on sometimes and works ok, and I can go to bios, although the power button is flashing.
Other times it will just won't pull any current above 0.01A from the PSU, ON LED is lit up and the power button flashing.
I have tried to flash this bios via SPI https://www.badcaps.net/forum/showth...ighlight=GS550 it fired up and informed that needs to reser nVRAM and wont keep TPM settings and just hanged there. After restart no picture as with the original bios.
I have Reverted the original bios and loaded up at first when I resoldered the BIOS (i went to BIOS and reset to defaults), then on reboot won't turn on or will pull 0.6A but won't show any picture or keyboard response.
I am attaching the DUMP in case you find issues with it.
I must add, no liquid damage or corrosion on the board or foul play.
Thanks for this. I have flashed it, seemed to load up with missing SN and windows key. But then every other time it will load with blackscreen and no response from keyboard. Sometimes will start with Fans spinning other times with no fans just black screen.
Power button flashing seems to happen when the battery is not connected only now.
first go to the guy with the laptop... tell him to extract the content from your bios chip... post it here... someone will help you make a bios... after that back to guy to write it on your chip...
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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Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests
all donations are welcome,
see the donate button at the bottom of the page, or
>>>>>click on this link to donate via PayPal.<<<<<
Every donation made will go towards server fees and maintenance costs. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
I want to ask for help. The machine turns on, but there is no image. I have attached the original content and the data. I would like to request an improved content, thank you in advance!
I want to ask for help. The machine turns on, but there is no image. I have attached the original content and the data. I would like to request an improved content, thank you in advance!
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Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests
all donations are welcome,
see the donate button at the bottom of the page, or
>>>>>click on this link to donate via PayPal.<<<<<
Every donation made will go towards server fees and maintenance costs. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
Thanks for the content, the device is up and running!
It's good to know, You're Welcome.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests
all donations are welcome,
see the donate button at the bottom of the page, or
>>>>>click on this link to donate via PayPal.<<<<<
Every donation made will go towards server fees and maintenance costs. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
hello guys i tried all the bios and also modified the original with my DMI but nothing, it doesn't work i always have a black screen and a 300mA absorption can you help me??? here is my original bios attached.
Thank you
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