![Why the screen below appear when I boot my dell Inspiron 7559? And dell logo doesn't appear? Therefore I can't access BIOS utility to boot the laptop from a USB flash drive. : Why the screen below appear when I boot my dell Inspiron 7559? And dell logo doesn't appear? Therefore I can't access BIOS utility to boot the laptop from a USB flash drive. :](https://preview.redd.it/rans60nch4441.jpg?auto=webp&s=2bfc93458c151026e8d102e486bc5ec97ff60047)
Why the screen below appear when I boot my dell Inspiron 7559? And dell logo doesn't appear? Therefore I can't access BIOS utility to boot the laptop from a USB flash drive. :
![Dell Computers with the Intel Skylake or Braswell Chipset Will Not Boot to Dell Windows 7 media | Dell US Dell Computers with the Intel Skylake or Braswell Chipset Will Not Boot to Dell Windows 7 media | Dell US](https://supportkb.dell.com/img/ka06P0000004JKOQA2/ka06P0000004JKOQA2_en_US_1.jpeg)
Dell Computers with the Intel Skylake or Braswell Chipset Will Not Boot to Dell Windows 7 media | Dell US
![dell optiplex boot from usb | Dell boot menu key | dell optilex bios key | Dell optiplex 5080 pc - YouTube dell optiplex boot from usb | Dell boot menu key | dell optilex bios key | Dell optiplex 5080 pc - YouTube](https://i.ytimg.com/vi/NdzAbcSt6T4/maxresdefault.jpg)