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Win 10 keeps losing dual boot info
Hi there. I had been dual-booting between win 7 and win 10. That part was working fine, but I was unhappy wth my win 10 installation. So I erased the partition and reinstalled it. First sign of trouble: It didn't detect my win 7 installation. But it was there (I already got files from it). I installed EasyBCD, added the entry for win 7, saved the set up, then wrote the MBR with the new entry. Went to MSConfig to doublecheck. Both entries were there.
I restarted, and it booted straight into Win 10. EasyBCD no longer had the win 7 entry. Neither did MSConfig. Went through the whole process again. Same problem at restart. And it wasn't fastboot, I could see the BIOS entry, etc.
What went wrong? Thanks in advance for your help.
P.S. By Windows 10 I mean Build 10049.