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
Solved: Inspiron 17R 5720 won't boot, can't change BIOS settings, can't boot from USB or disk - Dell Community
![Dell Inspiron 17R Notebook (Inspiron 7720) - Can run Mac OS X - Page 7 - General Discussion | InsanelyMac Dell Inspiron 17R Notebook (Inspiron 7720) - Can run Mac OS X - Page 7 - General Discussion | InsanelyMac](https://www.insanelymac.com/uploads/monthly_05_2013/post-335439-0-07670200-1367871714.jpg)