hi all , this laptop was work well but no image , all supply voltage are ok , so i have just reprogramming its spi chip now it is turn on automatically and fan full speed , i have tried all bios dumps in this site but nothing change , you should now motherboard has AMD GPU.

any one can download this file ?

https://www.elvikom.pl/dell-inspiron-55 ... 54438.html

isn't it the same viewtopic.php?p=336937#p336937 ???

You shoul reprogramming bios back.
You will not help any dump fron other motherboard.
Try to connect display over HDMI connector.
How does the indicator flash?

Try his dump