Dell 5420 laptop
Hello, can you help me, the laptop does not respond when turned on (the error is in the bios) and I do not know the Service Tag (I do not have the bottom cover). Thank you[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"proch_orig_W25R256JV.rar","data-attachmentid":3253635}[/ATTACH]