Dell Inspiron 15 3552, changed boot mode to Legacy and back again, now it can't boot - Dell Community
Solved: Inspiron 17R 5720 won't boot, can't change BIOS settings, can't boot from USB or disk - Dell Community
Solved: Inspiron 17R 5720 won't boot, can't change BIOS settings, can't boot from USB or disk - Dell Community
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