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Cant boot from SSD on new rig?!

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So I currently have a 240GB Kingston 3K SSD on Computer A. I also have a HDD installed on Computer A. They both have Win7 installed on them. When I boot I'm given a choice which SSD/HDD to boot from. (AHCI active, etc) Everything works.

Problem:
I put SSD from Computer A to new computer, Computer B, and get "please select proper boot device and press any key" when I try to boot. The SSD is recognized in the BIOS and is the only boot device in the new computer! How do I get it to boot?! :banghead:
 
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make sure that computer b is set to AHCI, if it isn't, windows wont boot, if it is, try doing a repair from a windows install dvd
 
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I'm pretty sure you have to do a fresh install if you move it from one computer to another.
 
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SSDs work differently from traditional Hard-Drives. It is the only thing i can think would be the problem.
 

MxPhenom 216

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Okay first. Are you plugging in both SSD and HDD in the new computer? Are you using a new motherboard in that new computer?
 
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Easy....When you formated the SSD in comp A you have a second drive connected and that drive has a boot sector. W7 will use the boot sector of any drive that is connected. So the SSD drive boot sector is on the other drive.

When installing W 7, Do NOT have another drive installed. W 7 will write its boot to the other drive
 
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Why would I have to do a fresh install in order to boot?

Cause your boot sector is on the other drive. But even if that wasnt it silkstone is correct in that anytime you change motherboard you should fresh install. It may work but your at higher risk of driver conflicts.


Sorry about the double post :wtf:

So start over. Fresh install
 
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Easy....When you formated the SSD in comp A you have a second drive connected and that drive has a boot sector. W7 will use the boot sector of any drive that is connected. So the SSD drive boot sector is on the other drive.

When installing W 7, Do NOT have another drive installed. W 7 will write its boot to the other drive

Is there a way to re-install the boot sector to the SSD without reformatting?
 

MxPhenom 216

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Joined
Jan 17, 2010
Messages
12,280 (2.36/day)
Location
Oregon
System Name Juliette // HTPC
Processor Intel i7 9700K // AMD Ryzen 5 5600G
Motherboard ASUS Prime Z390X-A // ASRock B550 ITX-AC
Cooling Noctua NH-U12 Black // Stock
Memory Corsair DDR4 3600 32gb //G.SKILL Trident Z Royal Series 16GB (2 x 8GB) 3600
Video Card(s) ASUS RTX4070 OC// GTX 1650
Storage Samsung 970 EVO NVMe 1Tb, Intel 665p Series M.2 2280 1TB // Samsung 1Tb SSD
Display(s) ASUS VP348QGL 34" Quad HD 3440 x 1440 // 55" LG 4K SK8000 Series
Case Seasonic SYNCRO Q7// Silverstone Granada GD05
Audio Device(s) Focusrite Scarlett 4i4 // HDMI to Samsung HW-R650 sound bar
Power Supply Seasonic SYNCRO 750 W // CORSAIR Vengeance 650M
Mouse Cooler Master MM710 53G
Keyboard Logitech 920-009300 G512 SE
Software Windows 10 Pro // Windows 10 Pro
You could try a W7 disk and do a repair but you still have the issue of the install is from another motherboard. And its a SSD so Im sure you dont want to take up more space then needed.


Clean Install
 
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