![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)
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![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. :
![windows 7 - Cannot boot from USB to install Linux. Need administrator password that I dont have. Any easy way arround this? - Super User windows 7 - Cannot boot from USB to install Linux. Need administrator password that I dont have. Any easy way arround this? - Super User](https://i.stack.imgur.com/KaD1I.jpg)