Western Digital drive showing up with Unallocated in disc management

Anffy

New member
Local time
5:59 PM
Messages
4
Hi Guys,

So it was working fine until one of the latest windows auto update, i turned off my computer and went to bed, when turned it on the next morning the drive was no longer showing up so i checked disc management and it was in there as unallocated, the only options that are there when i right click are: Offline, Properties and help.

Im running Windows 7 ultimate x64 on a sony vaio VPCL118FG and the External Hard Drive is a Western Digital 2TB Model WDBAAU0020HBK

I really don't want to reformat it as i have all my invoices for work along with everything else on it.

Thanx for the help in Advance.
 

My Computer My Computer

At a glance

Windows ultimate x64
OS
Windows ultimate x64
Go to Western Digital website and download their disk utilities for that particular hard drive.

Run the utility and see if it reports any problems.
 

My Computer My Computer

At a glance

Windows 7 Home Premium SP1, 64-bitIntel Skylake i5-6600K, not overclocked8 GB HyperX DDR4-2666 (2 x 4 GB)none; graphics are integrated on CPU
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
I did that last night and it gave me the green tick that the disc was ok
 

My Computer My Computer

At a glance

Windows ultimate x64
OS
Windows ultimate x64
I would run the restore point to roll back the update. It either messed up your system or it's one hell of a coincidence. If it doesn't fix it you can always update again.

edit: before that though try unplugging and plugging the external. It's not uncommon for a USB socket to get a flaky connection.
 

My Computer My Computer

At a glance

Windows 7 32 bitAMD 5200+ dual core2 GBNVidia GeForce 6150SE 128 MB
Computer Manufacturer/Model Number
HP Media Center
OS
Windows 7 32 bit
CPU
AMD 5200+ dual core
Memory
2 GB
Graphics Card(s)
NVidia GeForce 6150SE 128 MB
Monitor(s) Displays
CRT
Screen Resolution
1280x1024
Hard Drives
500 GB Sata internal :

SIIG USB 3.0 docking stations w/WD Caviar Black 6 Gb/s drives
Keyboard
PS/2
Mouse
PS/2 Wheel Mouse
Other Info
SIIG USB 3.0 PCIexpress card.
Ye I'll try the restore tonight when I get home from work, I tried it on my laptop also and same thing.
 

My Computer My Computer

At a glance

Windows ultimate x64
OS
Windows ultimate x64

My Computer My Computer

At a glance

Windows 7 Home Premium 32 bit
OS
Windows 7 Home Premium 32 bit
so far test drive is going good but because it hasnt been partitioned once the search is done it just gives me the options to add partition or load back up
 

My Computer My Computer

At a glance

Windows ultimate x64
OS
Windows ultimate x64
You need not have two partitions. ( I had two and hence it showed two) If you had followed the steps correctly TestDisk should show the full drive (one single partition in your case) - the seventh Window in Part 1 of my write up. You will select that only partition press Enter and in the eighth Window select write and enter. That will write the partition table.

Other than that do not enter any command like add partition etc.,. You could have gone astray somewhere. Press Quit, Quit and Quit till you get out, or close the window, start again and repeat the steps carefully.

Fiirst, second, third and fourth Window in Part 1, fifth, sixth, and seventh Window in part 2 should be the sequence.

For the sake of clarity, I shall list the screens again in brief - which itself is going to be long and I had to rerun Test Disk many times to get a grip again. :):

Run Test Disk as an administrator

First Screen: No Log > Enter

Second Screen: Select your external drive > Proceed > Enter

Third Screen : INTEL > Enter

Fourth Screen: Analyse > Enter

Fifth Screen: Here I envisage three possibilities.

a. Your single partition is shown with an * prefix (Test Disk has already found a bootable
partition)

b. Your single partition is shown (without any prefix ) and the message No partition is bootable

c. Only the message No partition is bootable

Irrespective of what is shown on this screen, (select the partition if shown) Quick Search > Enter

Sixth Screen: If you do get this screen it will be "Partition created by Vista or Later?" Press Y

If you do not get this screen, you will straight away get the seventh screen.

Seventh Screen: Your single partition should show up with an * prefixed. It should also say "Structure OK .............. Keys: A - add partition L- load backup...... P - list files Enter to continue."

You will only press Enter.

Eighth Screen: Write > Enter.

This will write the partition table and you will be asked to reboot. Hopefully your drive should be readable in Windows.

If in the seventh screen you type P then it will list all the files in the partition which you may be able to copy to another external drive. ( For this you must have connected another external drive before you started this process. Rerun Test Disk and do it.) I had done this when I did the trial, but cannot recollect the screens now. It is very hard to remember. You have to read each screen and do accordingly. If you have any doubts read the documentation on the Test Disk website and try to understand as much as possible. :)

You can repeat this procedure any number of times as long as you take care not to give any other write command except the Write Partition table command in the seventh screen.
 
Last edited:

My Computer My Computer

At a glance

Windows 7 Home Premium 32 bit
OS
Windows 7 Home Premium 32 bit
hi every body
Ive the same problem with my WD passport
but at the fifte screen check disk shows: "partition: Read error"
I enter search to find partition but after a long long time it finds nothing!
I dont know what to do :(
 

My Computer My Computer

At a glance

windows 7 ultimate 32 bit
OS
windows 7 ultimate 32 bit
Thanks for the solution,
but unfortunately I have the same problem that "payman" has..

it shows me "partition: read error"

please help I have very important data
 
Last edited:

My Computer My Computer

At a glance

Windows 7 Ultimate x64
OS
Windows 7 Ultimate x64
OMGGGGGGGG!!!!!! jumanji all I can say is... I ****ING LOVE YOU MANNNNNNN!!! Afters days of searching with no luck I can finally smile again!!! Your solution and step by step guide worked perfect for me!!! I used "testdisk-6.14-WIP" before finding your guide and it didn't work, but for some reason, it worked this time... Hard disk was showing as UNALLOCATED DISK 1 under "Disk Management" and it wouldn't let me assign a letter to it or work with any other software... I tried GetDataBack,AOMEI Partition assistant,easeUS Data Recovery, and WD disk utilities... All I can say is THANK YOU a million, there are no words that can express how I feel right now. THANK YOU for your time and dedication.
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64
OS
Windows 7 Ultimate 64
Back
Top