Question about Seagate Backup Plus STCA4000100 4TB USB 3.0 External Hard Drive

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If you put your harddisk in to usb back and wanted to use it, pressed wrong buttons and deleted gpt partitions made different partitions. solution is paragon harddisk manager suite 14 , no test drive no harddisk guru , you can fix it in 2 minutes! i tried everything. never tend to use a program that will save your files to copy another harddisk. 1-Tell paragon harddisk suite to delete new empty partitions and make it all unallocated. 2- convert it to gpt back with paragon. 3- tell paragon to undelete your partitions. it will find your partitions in 2 minutes. example 1st partition 200 mb - 2nd 3.5 terabyte 2400 gb full . 3- stop the search because we found our partitions 4-next next next our partitions are back! 5- give your partition a drive letter by selecting 6. say god bless you volkan numan tekcan if you want :D

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How to partition for local disk

Here is an easy and quick method to partition a hard drive. This solution removes all existing partitions and data on the disk and then creates new partition for the disk. Thus you should backup all files and folders in advance.

Step 1:Launch Eassos PartitionGuru Fee and you can see all storage devices connected to your computer. Make sure you select the correct disk to partition, or you will have to face partition loss issue.

Step 2: Select the hard drive you want to partition and click "Quick Partition" button or press F6 key.

Step 3: Configure settings for new partitions and click "OK" button.
On the Quick Partition window, you can choose partition table format from MBR and GPT, decide how many partitions you need, select file system type for each partition and set partition size and labels. Do not forget to select the option "Align Partition to Integral Multiples of Sectors" which makes your disk 4K aligned.


Step 4: Eassos PartitionGuru prompts the rest actions will delete all data and perform formatting. If you have created backup, click Yes to continue.

Step 5: Wait for several seconds and the partitioning completes. Now the 120GB disk which held one partition has been partitioned to GPT disk with 4 partitions.
Download this free partition manager:

Jun 05, 2016 | Computers & Internet

1 Answer

Error 0x80300024

This is assuming that you are installing windows on second HDD / SSD on laptop.

1. Delete all the partitions of second HDD / SSD where you want to install windows as clean install.
2. Use AOMEI Partition assistant. I used that. You can try other software.
3. Let the disk space remain unallocated. Don't fomat.
4. Boot from windows installation media ( CD/ DVD/ USB).
5. Select this unallocated space for installation.
6. Enjoy........
Remeber that if your main OS is running on GPT (UEFI) partition scheme than you should make a EFI bootbale installation media.

Sep 03, 2015 | Computers & Internet

4 Answers

I can not boot windows 7

Try this - but it will delete all partitions and data on the hard drive:

At the first screen, hit <SHIFT>+<F10>. At the elevated command prompt type:
list disk
select disk 0

Apr 12, 2014 | Toshiba Portege Z930-BT9300 Customizable...

1 Answer

Can i use a 3tb hard drive on acer z5610 running windows 7

The simplest way would be to reformat as NTFS. Use the advance options to delete and re-create partions.

GPT requires EFI and there is some debate whether Win 7 can be installed. I have not tested yet and quite frankly I would not waste the time and effort. Your hard drive and partition size is well within requirements. Good Luck

Sep 22, 2012 | Computers & Internet

1 Answer

Tecra A11 can't see all of 3TB drive

Support for Disk Drives Beyond 2.2 TeraBytes (TB) and 4K Advanced Format Sectors

Most legacy systems built before 2011 have a traditional PC BIOS. This type of BIOS uses a Master Boot Record (MBR). The MBR Partitions can define a disk drive capacity up to 2.2TB. Windows operating systems that boot from an MBR are therefore limited to 2.2TB per MBR. A 3TB disk drive in a legacy BIOS and Window system will need a DiscWizard device driver to access the full capacity of a 3TB disk drive. Two partitions will be necessary because of the MBR limitation. The device driver mounts the capacity above 2.2TB with another MBR which looks to the system as a second virtual "physical" device.
GUID Partition Tables (GPT) can define drives larger than 2.2TB. You can use GPT today on any Windows 10/ 8.1/8/7 and Vista system as a non-booting data drive. Windows can only boot a GPT partition on a new type of BIOS called UEFI.
UEFI BIOS desktop systems are new since 2011. Windows 10/8/8.1/7 64-bit and Vista 64-bit operating systems support booting from UEFI and GPT without the need of a non-Microsoft device driver. This is the Windows native solution for booting a 3TB drive to a single partition.
Quick facts about Windows and 3TB drives:

  • Windows 10/8/8.1/7 and Vista support GPT 3TB single partitions
  • Windows 10/8/8.1/7 and Vista can only boot GPT on systems with UEFI BIOS
  • Windows 10/8/8.1/7 and Vista can mount a GPT non-booting data drive
  • Intel RST device drivers before v10.1 do not support 3TB disk drives
  • Windows systems with Legacy BIOS and MBR boot drives are limited to 2.2TB partitions
  • Windows XP does not support GPT
  • Windows XP sees a 3TB drive as 800GB on boot or data drives
  • DiscWizard software can install a device driver which opens the full capacity of a 3TB. You can use it to create a second partition for the capacity above 2.2TB

Sep 27, 2017 | Toshiba Computers & Internet

1 Answer


You probably need to check the partition map format as well as the actual volume format.

One of the Options in Disk Utility lets you specify the partition map. Options include GPT, MBR and the classic Apple Partition Map.

The drive will need to be formatted as MBR in order to act like a 'true' PC disk. A FAT partition on a GPT disk isn't sufficient - it's still a GPT disk and that's what is confusing the player.

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Jun 10, 2012 | Panasonic DMR-EH65 DVD Recorder/HDD...

1 Answer

My external hard drive cannot read by my PC at all ,I connect it on Mac os x G4 and i could reformat it nicely,so why on PC.

Assuming that your PC is running Windows XP then this does not support GPT drives which are created when the drives are used in a Mac computer - you would either need to upgrade to using Windows Vista or 7 which do support GPT or else do a low-level format of the drive to completely remove the GPT formatting data by writing zero's into the first 100 sectors of the drive - this will destroy all data on the drive! GPT = GUID Partition Table which allows for up to 128 partitions on a single drive....See for detailed information on GPT

Dec 10, 2010 | Seagate Barracuda 7200.10 500 GB SATA Hard...

1 Answer

How tp convert a GPT hard drive to a MBR hard drive? thanks

Boot off your Vista disc and go to the Recovery options. Once inside there access Command Prompt (It is a choice in the Menu) type Diskpart.exe and hit enter. Then type Help you will see many options.

What you want to do is type 'List Disk' select the Disk you wish to convert and so forth. Basically the way to convert from GPT to MBR is in there. You can also clean all data off the disk from inside Diskpart and start over with MBR.
Commands to Convert Disks
convert mbr [noerr]

Use the convert mbr command to set the partitioning style of the current disk to MBR. The disk may be a basic disk or a dynamic disk but the disk must not contain any valid data partitions or volumes.

convert gpt [noerr]

Use the convert gpt command to set the partitioning style of the current disk to GPT. The disk may be a basic or a dynamic disk but it must not contain any valid data partitions or volumes. This command is valid only on Itanium-based computers; it may be unsuccessful on x-86-based computers.

convert dynamic [noerr]

Use the convert dynamic command to change a basic disk into a dynamic disk. The disk may contain valid data partitions.

convert basic [noerr]

Use the convert basic command to change an empty dynamic disk to basic.

Mar 11, 2010 | Compaq Presario 1692 Notebook

3 Answers

Aspire 6930 has 320 GB harddisk,i faced some problem with Avasti Antivirus n i formatted the system to run my system smoothly, but now the problem is harddisk is showing only 128 GB. that too the partition...

You can Reformat the system and REMOVE all partitions. Windows setup will create a new partition from available drive space. If you need to save your data,You can also use a utility like partition Magic and resize the partition. There is a trial version available at no charge. just google "partition magic"

Aug 05, 2009 | Acer Aspire 6930-6771 Laptop

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