Hard drive space has gone missing

wammeze

New member
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Good day ladies and gentlemen!

As you can probably assess from the thread title, There is a really weird problem afflicting my computers hard drive. The Hard drive with the problem is an advertised 750 GB Western Digital hard drive, with 684 available gigabytes.

The problem I am having is that a mysteriously large amount of hard drive disk space has disappeared from being available, and has left me to have only about 100 Gigabytes left (originally it had whittled down to about 100 MB before I deleted a large amount of miscellaneous files), from my estimated 500 Gigabyte's I had available to me last week, but there is still a lot of hard drive disk space un-accounted for. I've been perusing the windows 7 forum and have tried different solutions to no avail. The methods i've tried are as follows:

-Updating my BIOS, USB, Hard drive and other miscellaneous drivers
-Using Disk Cleanup
-Using Disk Defragmenter
-Using WizTree, WinDirStat, and TreeSize (free) to find out what was eating my HDD Space
-Phisically taking the Hrad drive out and checking out what's wrong with another computer
-Deleting many large files not necessary to function

With the help of WizTree and the other programs, i've noticed that they only can account for one fifth of my hard drive, leaving the rest to the unknown.

I've attached screenshots that may help with diagnosing my problem:

The images should be self explanatory, and I hope they can help in alleviating this issue.
I feel like i've exhausted my options shy of actually taking the rig to a computer specialist. Do you think you guys know what's going on with my hard drive?

Here's my systems specs:
Lenovo Y480
Windows 7 Home Premium 64 Bit
Intel(R) Core(TM) i7-3610QM
8.00 GB
GeForcer GT 640M LE
WDC WD7500BPVT-24HXZT3 750 GB HDD

Thank you so much if you could provide any input!

-Wammeze
 

Attachments

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  • Disk Space Screenshot.jpg
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  • DiskPart.jpg
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  • WinDirStat Screenshot.jpg
    WinDirStat Screenshot.jpg
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  • WizTree Screenshot.jpg
    WizTree Screenshot.jpg
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Last edited:

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo Y480
OS
Windows 7 Home Premium 64 Bit
CPU
Intel(R) Core(TM) i7-3610QM
Memory
8.00 GB
Graphics Card(s)
GeForce GT 640M LE
Hard Drives
WDC WD7500BPVT-24HXZT3 750 GB HDD
Antivirus
Windows Defender
Browser
Google Chrome

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built Desktop By DataTech
OS
Windows 7 Ultimate X64 SP1
CPU
Intel i5-2550K, Differing ~4.4-4.8GHz No built in GPU
Motherboard
ASUS P8Z68-V PRO/GEN3
Memory
16GB G.Skill Sniper 1866MHz @ 2133MHz 2x8GB
Graphics Card(s)
ASUS GTX650TIB-DC2OC-2GD5, (650TI Boost)
Sound Card
Onboard Realtek 5-1
Monitor(s) Displays
Samsung P2570HD
Screen Resolution
1920x1080
Hard Drives
Samsung 840 Pro 256GB SSD for OS, 500GB Seagate Constellation (Enterprise drive) for Data
PSU
Corsair HX650W
Case
Inwin Dragon Rider
Cooling
Hyper 212 EVO w/two Noctua fans, push-pull, @1300 RPM
Keyboard
E-Z Eyes, bright yellow keys with large characters
Mouse
steelseries SENSEI Laser Pro Gaming
Internet Speed
48-51Mbs Mbs down, 11 Mbs up Xfinity Cable
Antivirus
Norton Internet Security 2013
Browser
IE 10, Opera, Pale Moon if needed
Other Info
4 case fans, LG BluRay-RE, ASUS DVD-RW, Mr. Fusion power supply, 1.21 gigawatts.
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