Internal HDD error need help

May 20, 2020 at 11:34:16
Specs: Windows 10, 16GB
A 6TB internal HDD, not used for OS boot up, was working fine on Windows 10, but has suddenly started showing up as requiring initialisation, after connecting an external HDD connected via USB. I initially noticed that the external HDD had been allocated the same drive letter as I had given this internal HDD. The internal HDD no longer shows up in This PC (or BIOS) and when I load Disk Management it says that it is unallocated, not initialised and a message saying “You must initialise a disk before Logical Disk Manager can access it” with options for Master Boot Record (MBR) or GUID Partition Table (GPT) for partition style to select, with GPT set automatically.
I have connected the internal HDD to another system using an eSATA cable and it appears to be working OK with normal access to data etc.. I have tried connecting it back up in the original system with a different SATA cable from before and the external USB HDD not connected but it still can not be accessed and it is still saying in Disk Management that it needs to be initialised. I do not want to erase any data on the HDD. Why has this situation occurred? Should just initialising be OK to do ensuring that no data is wiped? Is it correct to select GPT for partition style on Disk Management pop-up message? Should I just be able to simply select OK to initialise and get access back to all the data on the HDD without any data being erased?

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May 20, 2020 at 16:48:57
GPT is correct, MBR does not support larger hard drives BUT WAIT!!
After initializing it may then ask you to allocate it and format it and you do NOT want to format it.
If you had a complete back up then it might be worth trying to see what it would then ask but others will be by probably soon and have their preferred programs to recovery drives and which would be best to try first so be patient.

You have to be a little bit crazy to keep you from going insane.

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May 21, 2020 at 02:02:59
Have a look at this article for your options:

I would be inclined to try the non-destructive options (Fix 2, Fix 3, and Fix 4) first. Whatever you do, don't initialize the disk before exhausting these options.

From what you say, it sounds as if you don't have a backup of the data on this disk. This is unwise, if the data is important to you, as a disk can fail catastrophically at any time. With a sensible backup routine this becomes an inconvenience rather than a disaster.

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May 21, 2020 at 04:57:42
"If" per chance the drive can be viewed and accessed via another computer (usb adapter/connection) I'd ensure that I copy all critical date (personal stuff etc.) to another HDD and/or DVD - as my first priority.

Then consider steps to regain use of the problem drive.

And whenever the system is up and running again, make it standard practice to duplicate data to external storage; be it another HDD and/orDVD. Regularly check external storage content to ensure it's OK; and update of course as needs-be. Do any verifications before you delete anything from original source drive(s).

And if possible make a set f recovery DVDs for your installation; once you have the way you want/like it

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Related Solutions

May 24, 2020 at 04:21:50
I have three internal hard disk drives

One of my drives is a 6tb drive. Since rebuilding my new computer with a new MB, CPU, Power supply etc what I have done is used one power cable with 3 plugs to supply power to all three internal hard drive.
Drive one is 1000 Gb
Drive two is 500 Gb
Drive three is 6000 Gb end of power chain.

My question is on occasions when I first switch/boot up the 6000Gb drive does not always kick in and is not recognised. If I power down straight away and start up again I can hear it start up and all is well.
Would it make a difference if I plugged up the 6000Gb drive with it's own dedicated power cable?

Operating system on its own SSD separate supply

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May 24, 2020 at 06:35:06
A "very" remote possibility here is that the psu isn't quite upto scratch... It "may" have a problem within. In the days of psu designs systems which included smoothing capacitors (rather large capacity items) they "could" start to leak and thus work not work properly; resulting in volts out of the psu being not quite correct (and also there would be evidence of hum). Powering off and then on again often seemed to resolve the problem. Reason being that the initial power on allowed the capacitor(s) to warm up a little and actually seal themselves (until next time); but one still had to power cycle to complete the reseal process.

It was almost a standard test in some kit (radios/tv sets especially...) which seemed to have intermittent power on problems.

I'd also be inclined to double check that actual 6TB connections - to the power cable and the so on. Perhaps ("all" power removed of course) disconnect the drive, clean any contacts you can access (soft pencil style eraser - and wipe clean the edge connectors afterwards too); reconnect firmly, then remove and reconnect firmly again; and for good measure even a third time.

Then power up an se if problem persists or not?

Also is it possible to connect the 6TB to the one of connectors used by the other drives; and put that other drive on the 6TB connection? If so then try that and see if things remain the same (or not)?

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