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Error installing Win 7 64bit

post #1 of 3
Thread Starter 
Hi guys!

I have a single 500GB SATA2 HDD, partitioned equally into 2 250GB parts. On one part, i have Win Vista 32bit installed and the other part i have a blank partition.

When i try to install on the blank partition after i put in my Win 7 CD, i get this error message for BOTH partitions.

"Windows cannot be installed to this disk. the selected disk has an MBR partition table. On EFI systems, windows can only be installed on GPT disks."

I tried reformatting the blank partition in Win Vista but i still have the same error. Any ideas on how i can solve this problem and install into the partition?

My intention is to install on the second partition, boot into Win 7, then try to 'kill the boot loader' on the Win Vista partition so that i can keep my files.
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My i5 Rig
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Samsung S22B350T (1920 x 1080) Logitech K120 Corsair HX520W CoolerMaster Centurion 5 w/Side Window (Silver) 
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post #2 of 3
You must convert the MBR (master boot record) to a GUID partition table (GPT).

It is not the partition causing the issue, but rather the way the MBR for the whole disk describes those partitions. MBR is for the old BIOS, GPT is used with the UEFI (unified extensible firmware interface).

You will need to backup all the data on your disk before doing this as you will need to destroy both partitions.

To change a master boot record disk into a GUID partition table disk using the Windows interface
  1. Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.
  2. If the disk contains any partitions or volumes, right-click any volumes on the disk and then click Delete Partition or Delete Volume.
  3. Right-click the MBR disk that you want to change into a GPT disk, and then click Convert to GPT Disk.

To change a master boot record disk into a GUID partition table disk using a command line
  1. Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.
  2. Open an elevated command prompt (right-click Command Prompt, and then click Run as Administrator) and type diskpart. If the disk does not contain any partitions or volumes, skip to step 6.
  3. At the DISKPART prompt, type list disk. Make note of the disk number you want to convert.
  4. At the DISKPART prompt, type select disk <disknumber>.
  5. At the DISKPART prompt, type clean. Running the clean command will delete all partitions or volumes on the disk.
  6. At the DISKPART prompt, type convert gpt.
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Ol' Sandy
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"Zeus"
(12 items)
 
Elite Preview
(6 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1230v3 Gigabyte GA-Z97X-UD5H-BK MSI Gaming GTX 980 Kingston 32GB (4x8) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 128GB 1333MHz LSI 9271-8i 
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post #3 of 3
Thread Starter 
Man, i tried to do all that but argh! I got so pissed that i just DELETED all the damn partitions, created 2 new ones and off i went to install the damn thing.

So far now its kinda fast. Blazing fast. Win 7 feels like Win Vista though. Just more irritating.
My i5 Rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @4.4Ghz Asus P8P67 ASUS STRIX-GTX960-DC2OC-2GD5 8GB G-Skill RipJawX 1600MHz CL9 (2 x 4GB) 
Hard DriveOptical DriveCoolingOS
OCZ Vertex 450 256GB Samsung S182 18x DVD+-RW (DL/RAM) Coolermaster Hyper 212 Plus Windows 7 Home Premium 64 Bit 
MonitorKeyboardPowerCase
Samsung S22B350T (1920 x 1080) Logitech K120 Corsair HX520W CoolerMaster Centurion 5 w/Side Window (Silver) 
MouseMouse PadOther
Logitech MX518 Barracuda Lite SonicGear Morro 521 
  hide details  
Reply
My i5 Rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @4.4Ghz Asus P8P67 ASUS STRIX-GTX960-DC2OC-2GD5 8GB G-Skill RipJawX 1600MHz CL9 (2 x 4GB) 
Hard DriveOptical DriveCoolingOS
OCZ Vertex 450 256GB Samsung S182 18x DVD+-RW (DL/RAM) Coolermaster Hyper 212 Plus Windows 7 Home Premium 64 Bit 
MonitorKeyboardPowerCase
Samsung S22B350T (1920 x 1080) Logitech K120 Corsair HX520W CoolerMaster Centurion 5 w/Side Window (Silver) 
MouseMouse PadOther
Logitech MX518 Barracuda Lite SonicGear Morro 521 
  hide details  
Reply
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