hello LBTT1121, I have tried BIOS, it didn't work........ Though, the customer is requesting for his laptop....... I have given it to the him...... thanks for your efforts....

Hello Everyone! I have Dell Latitude 7490 Service Tag: DQ5S5M2 Board No. DAZ40 LA-F322P REV: 1.0(A00) 2017-09-21. It's currently Blinking white light continually on the power button with all the voltage available but refused to power on or display. Please, I need the BIOS file Attached herewith is the backup file. Any help will be appreciated. Thanks....

Hello Everyone! I have Dell Latitude 7490 Service Tag: DQ5S5M2
Board No. DAZ40 LA-F322P REV: 1.0(A00) 2017-09-21 that powers but has no display and currently blinking white light on the power button. I need the Bios. I have been trying to attached the backup file as requested by "peste" but kept on saying "upload failed that am not allowed to upload file with the extension "LIGCT" I have renamed the file severally but same error message kept popping up. Sorry am new here so i don't know how its done. Please, any help will be appreciated. Thanks....

Hello Everyone! I have Dell Latitude 7490
Service Tag: DQ5S5M2
Board No. DAZ40 LA-F322P REV1.0(A00) 2017-09-21 that powers but has no display and I need the Bios.pls any help will be appreciated. Thanks