Windows 10: Help with formatting 4tb hdd?

I recently built my first PC, and have been having some issues formatting the hard drive properly. Windows 10 is installed on a separate 500gb ssd, so it is empty, except for a partition called "System Reserved" which takes up ~600mb and is preventing me from converting from mbt to gpt, which I understand will allow me to format more than 2tb.

Can anybody help me out? Much appreciated.

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:)

 

Cannot Format HD


Need to initialize it as GPT disk type with HD > 2TB:
From Admin command prompt:

1. diskpart
2. list disk =====> Take a note of disk # for the 4TB HD
3. select disk # ====> From step 2
4. clean
5. exit

Open Disk Management and initialize the disk as GPT, create simple then format.

 

Windows update 1803 formats secondary 4TB HDD from GPT to MBR

OK. After rechecking, it seems that the 1803 never took:









I scanned for Malware and Viruses and nothing was found (iolo System Shield & Malware Killer latest version with latest definitions updated this morning), so now I am leaning towards a muffed installation of the update which, for some reason did a re-install of the last 1709 update. When I initially set the computer up, I had to set up the drive as GPT using DiskPart from the recovery option of the installation media as it wouldn't work within the OS. After I did that, everything was working like clockwork up until these failed installation of 1803. Now, the OS won't even initialize the disk to GPT as it reports the disk size as too small:













As you can see, this is a 4TB HDD which Windows reports as working properly but does not report the volume info:













I am in the midst of doing the manual 1803 update to see if it will actually install and possible fix the issue. I am not holding out much hope for this though and I am bracing myself for a total re-install. I believe I can download the 1803 media from the same page you can manually initiate the 1803 update, so I will try using that instead of my original media; however, I am a little concerned doing this with all of the things I have read about this release not activating properly.

I am also removing the 4TB HDD and putting it in my external to run diagnostics and a scan on it to make sure it is not corrupt for some reason. It should not be as it has been in operation for less than 6 months and was an unused spare I acquired from my company's IT store liquidation.

Please let me know your thoughts and any suggestions you may have. Thank you for responding so quickly.

 

4TB WD HDD not working

Good afternoon

Last week I bought a brand new 4TB Western digital HDD for my PC. I plugged it in, went into Disk Management and it came up no problem. I then formatted it, gave it a letter and started copying some files to the HDD. Mid way through copying, it stopped copying files for some reason and so i cancelled the copy. I then restarted my computer. Now only BIOS says there is a HDD and Windows no longer recognizes it at all. It now also takes around 5 minutes to boot my computer up whenever it is plugged in. Tried the HDD on several other computers but it was undetectable. It no longer comes up in Disk Management and so I can no longer reformat it.

Any advice or software suggestions would be greatly appreciated.

Thank you