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Need help Removing 2nd win10 partition

post #1 of 4
Thread Starter 
Still new to UEFI

I attempted to install windows 10 to a 2nd hard drive i plugged in, assuming i could just unplug that hard drive and use it to boot another system.

When i unplugged this 320gb drive the computer was all messed up and wouldnt boot.Now i need to get rid of this partition or whatever its called now.

What is the easiest way to remove this E: drive? ( Disk 1 at the bottom.)
btw the system in my sig needs to be updated,thats my old sys


Edited by dovedescent7 - 1/31/16 at 12:47pm
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post #2 of 4
Windows won't let you delete a partition that has Windows installed on it.
But there are ways to do it.
Does your computer boot up now?
If so, what is listed as the boot drive in the BIOS?
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by billbartuska View Post

Windows won't let you delete a partition that has Windows installed on it.
But there are ways to do it.
Does your computer boot up now?
If so, what is listed as the boot drive in the BIOS?


hey thanks for the reply.

I am at work, but the C: or Boot drive has always been my boot drive if this helps(samsung evo 850 msata)

Yes the computer boots....

all it is, is the 850 evo for booting win 10/8.1 ,ive had this for the last month and then this week i added a 320gb spin drive(which i really need for another htpc project asap) and installed a 2nd win 10 on that external or spin drive. When i pulled out the 320 spin hdd the computer would not boot.

FYI my rig is an Asrock x99 extreme 4, which boots SO SLOW in UEFI!!!! considering going legacy... yikes..


If you absolutely need to know whats listed in bios as boot i will get that info asap i appreciate your help. Unless there is some exe i could run to see what my bios says inside windows? (via teamviewer)
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My Home System
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Intel Core i7-2600K Sandy Bridge  BIOSTAR TZ68A+RCH LGA 1155 Intel Z68 HDMI SATA 6Gb ZOTAC GeForce GT 430 (Fermi)128bit 1gb 16GB CORSAIR Vengeance DDR3 SDRAM 
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180GB SATA III Corsair Force Series GS ,750 6GB... LG LITESCRIBE BD-RW Coolermaster Hyper 212+ Win 7 x64 
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post #4 of 4
Yes, your "boot drive" was always your "C;\" drive, but when you had both drives installed and booted 10/8.1the SSD was the "C:\" drive and when you booted Win 7 the spinner was the "C:\" drive.

When you did the install to the spinner it became the boot device. When you remove the spinner the post sequence is looking for the C:\ drive that has the folders for Win 10/8.1 but the BIOS is pointing to the C:\drive that has the Win 7 Windows Folder on it. as the boot device, and it's not there anymore. When windows Posts it reads the first sector of the boot drive (C:\) and that sector tell the computer where the OS is located - where the Windows Folder is located for that OS.
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Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
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2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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My System
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CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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