query: My Windows 8.1/Ubuntu 12.04 dual boot won't boot windows after updating to v 8.1
positive_passages.docid: 151242
positive_passages.text: "invalid EFI file path" while booting Windows
negative_passages.docid: 30233
negative_passages.text: How can I fix/install/reinstall grub?
negative_passages.docid: 39946
negative_passages.text: How to show GRUB after install Ubuntu over Windows 8?
negative_passages.docid: 40585
negative_passages.text: What is the most reliable way to get a Windows 8/8.1 computer into Advanced Startup Options menu?
negative_passages.docid: 142224
negative_passages.text: Computer wont boot to windows
negative_passages.docid: 156812
negative_passages.text: How to reinstall Ubuntu in dual boot with Windows 10?
negative_passages.docid: 145585
negative_passages.text: boot-repair windows not listed
negative_passages.docid: 87551
negative_passages.text: How to repair grub?
negative_passages.docid: 77542
negative_passages.text: Grub and Ubuntu disappeared after Windows update
negative_passages.docid: 148973
negative_passages.text: How to restore Windows boot loader after removing Ubuntu
negative_passages.docid: 146201
negative_passages.text: 'Upgraded' to Windows 10 on dual boot, and can't boot to Ubuntu partition
negative_passages.docid: 7745
negative_passages.text: Dual boot UEFI Windows 7 and Ubuntu 12.04 (both 64 bits). W7 entry doesn't appear in GRUB
negative_passages.docid: 105255
negative_passages.text: Missing Windows 7 when i installed ubuntu 12.4
negative_passages.docid: 144646
negative_passages.text: Can't boot Windows XP after installing Ubuntu 12.04
negative_passages.docid: 63772
negative_passages.text: I can't boot into a usable system after updates. What should I do?
negative_passages.docid: 15124
negative_passages.text: Can't boot Ubuntu or Windows 8 after Ubuntu 64-bit install on Samsung series 7 Windows 8 laptop, error "All boot options are tried."
negative_passages.docid: 47607
negative_passages.text: Windows boot menu doesn't appear when booting