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Problem booting to previous OS after installing Win10 to another partition

Joined
Jan 24, 2013
Messages
167 (0.04/day)
System Name Cerberus
Processor AMD Ryzen 7 3700X
Motherboard Asus Crosshair VI Hero
Cooling Antec Kuhler H2o 620
Memory 16GB Patriot Viper 3200 Mhz
Video Card(s) ROG Strix 1080Ti
Storage ADATA SX8200PNP 256 GB + Western Digital WD10EARS-00MVWB0 1TB
Display(s) 3 27-inch
Audio Device(s) OnBoard
Power Supply Xilence Performance X 750W
Mouse ROG Gladius II Origin
Keyboard ROG Strix Flare
Software Windows 10 Pro 64 bit
So today I installed the Win 10 Insider preview on a new partition on my WD HDD and I can't switch back to my original 8.1 installation which is on my SSD. The SSD is set to be the first boot option from bios and I also tried forcing boot from the SSD from the boot menu but nothing...it just keeps booting to windows 10. What can I do?
 
Joined
Apr 21, 2009
Messages
110 (0.02/day)
System Name littlet
Processor Ryzen 5900X
Motherboard TUF GAMING B550M-PLUS (WI-FI) ZAKU II EDITION
Cooling EK AIO Basic 240
Memory G.Skill Trident Z RGB 4X16GB 3200MHz
Video Card(s) RTX™ A2000 12GB
Storage C: WD_BLACK SN850 1TB
Display(s) ViewSonic VX3276-2K-mhd
Case ASUS Prime AP201
Audio Device(s) Asus Xonar Essence STX II
Power Supply Corsair SF 600
Software Windows
Joined
Jan 24, 2013
Messages
167 (0.04/day)
System Name Cerberus
Processor AMD Ryzen 7 3700X
Motherboard Asus Crosshair VI Hero
Cooling Antec Kuhler H2o 620
Memory 16GB Patriot Viper 3200 Mhz
Video Card(s) ROG Strix 1080Ti
Storage ADATA SX8200PNP 256 GB + Western Digital WD10EARS-00MVWB0 1TB
Display(s) 3 27-inch
Audio Device(s) OnBoard
Power Supply Xilence Performance X 750W
Mouse ROG Gladius II Origin
Keyboard ROG Strix Flare
Software Windows 10 Pro 64 bit
Windows 8.1 doesn't even appear as an option. Should I try adding 8.1 as a new entry?
 
Joined
Jan 24, 2013
Messages
167 (0.04/day)
System Name Cerberus
Processor AMD Ryzen 7 3700X
Motherboard Asus Crosshair VI Hero
Cooling Antec Kuhler H2o 620
Memory 16GB Patriot Viper 3200 Mhz
Video Card(s) ROG Strix 1080Ti
Storage ADATA SX8200PNP 256 GB + Western Digital WD10EARS-00MVWB0 1TB
Display(s) 3 27-inch
Audio Device(s) OnBoard
Power Supply Xilence Performance X 750W
Mouse ROG Gladius II Origin
Keyboard ROG Strix Flare
Software Windows 10 Pro 64 bit
Never mind I got it! Made a new entry and pointed it to the SSD and it worked. Thank you very much for your help!
 
Joined
Apr 21, 2009
Messages
110 (0.02/day)
System Name littlet
Processor Ryzen 5900X
Motherboard TUF GAMING B550M-PLUS (WI-FI) ZAKU II EDITION
Cooling EK AIO Basic 240
Memory G.Skill Trident Z RGB 4X16GB 3200MHz
Video Card(s) RTX™ A2000 12GB
Storage C: WD_BLACK SN850 1TB
Display(s) ViewSonic VX3276-2K-mhd
Case ASUS Prime AP201
Audio Device(s) Asus Xonar Essence STX II
Power Supply Corsair SF 600
Software Windows
glad to be of help
 
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