Solved Hard drive space disappearing

Z

zigeroid

New Member
Hello :) So my hard drive was originally like 200 GB or something, but of course the operating system took up about 25 gigs, so it says it's out of 174 GB. It currently says I have 102 GB free. However, I added up everything on my computer, and it says I've used only 45 gigs. That means I should have 129 gigs left. I know all about the system restore thing and I've deleted "all but the most recent" like 80 times in the past day lol, but it doesn't do anything. I've run CC Cleaner and Defraggler and everything. So I'm wondering where the 27 or so gigs I should have is and what I can do to get them back. Thanks. :)
 

My Computer

System One

Hello Zigeroid, and welcome to Vista Forums.

Your missing hard drive space may be from this:

Here's a formula to convert retail size to actual size. This assumes that the manufacturer is using 1GB = 1,000,000,000 bytes (instead of 1GB = 1,073,741,824 bytes as they should). This formula is an approximation. Many times they will round the drive size somewhat, but this gives you a rough idea of the real world space.
Code: 
1 B(bin)= 1B(dec) 
1 kB(bin)= 0.97656 kB(dec) 
1 MB(bin)= 0.953674316 MB(dec) 
1 GB(bin)= 0.9313226 GB(dec) 
1 TB(bin)= 0.909497 TB(dec) 
For GB(binary), multiply GB(decimal) by 0.9313226 
 
Example: 
Since with 200 GB, the units are still in GB, it can be expressed as 200 x 1 GB. 
200 x 1 GB(bin)= 200 x 0.9313226 GB(dec)= 186.26 GB(dec)
These are rounded to the nearest gigabyte for retail size to actual size.

  • 36gb = 33.5gb
  • 40gb = 37gb
  • 60gb = 55gb
  • 74gb = 69gb
  • 80gb = 74gb
  • 100gb = 93gb
  • 120gb = 112gb
  • 160gb = 149gb
  • 200gb = 186gb
  • 250gb = 233gb
  • 300gb = 279gb
  • 350gb = 326gb
  • 400gb = 372gb
  • 500gb = 465gb
Hope this helps,
Shawn
 

My Computers

System One System Two

  • Operating System
    Windows 10 Pro 64-bit
    Manufacturer/Model
    Custom
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
  • Operating System
    Windows 10 Pro
    Manufacturer/Model
    HP Envy Y0F94AV
    CPU
    i7-7500U @ 2.70 GHz
    Memory
    16 GB DDR4-2133
    Graphics card(s)
    NVIDIA GeForce 940MX
    Sound Card
    Conexant ISST Audio
    Monitor(s) Displays
    17.3" UHD IPS touch
    Screen Resolution
    3480 x 2160
    Hard Drives
    512 GB M.2 SSD
Brink said:
Hello Zigeroid, and welcome to Vista Forums.

Your missing hard drive space may be from this:

Here's a formula to convert retail size to actual size. This assumes that the manufacturer is using 1GB = 1,000,000,000 bytes (instead of 1GB = 1,073,741,824 bytes as they should). This formula is an approximation. Many times they will round the drive size somewhat, but this gives you a rough idea of the real world space.
Code: 
1 B(bin)= 1B(dec) 
1 kB(bin)= 0.97656 kB(dec) 
1 MB(bin)= 0.953674316 MB(dec) 
1 GB(bin)= 0.9313226 GB(dec) 
1 TB(bin)= 0.909497 TB(dec) 
For GB(binary), multiply GB(decimal) by 0.9313226 
 
Example: 
Since with 200 GB, the units are still in GB, it can be expressed as 200 x 1 GB. 
200 x 1 GB(bin)= 200 x 0.9313226 GB(dec)= 186.26 GB(dec)
These are rounded to the nearest gigabyte for retail size to actual size.

  • 36gb = 33.5gb
  • 40gb = 37gb
  • 60gb = 55gb
  • 74gb = 69gb
  • 80gb = 74gb
  • 100gb = 93gb
  • 120gb = 112gb
  • 160gb = 149gb
  • 200gb = 186gb
  • 250gb = 233gb
  • 300gb = 279gb
  • 350gb = 326gb
  • 400gb = 372gb
  • 500gb = 465gb
Hope this helps,
Shawn
Click to expand...


As Shawn said, it might be the case where the manufacturer is using up your 27 gb
or if not, then open up the start menu, right click on computer, click on manage.
Then under Storage, navigate to Disk Management. There check if your 27 gb is unallocated in your HDD.

Hope this helps,
Madhan
 

My Computer

System One

  • Manufacturer/Model
    Compaq Presario C700
    CPU
    Intel Core 2 Duo 1.67 GHz
    Motherboard
    Intel GM965
    Memory
    2.5 GB (2 GB Transcend + 512MB Hyundai)
    Graphics Card(s)
    Intel Intergrated 965 Express Graphics
    Sound Card
    Conexant High Definition
    Monitor(s) Displays
    Compaq
    Screen Resolution
    1280x800
    Hard Drives
    160 GB Compaq
    Keyboard
    Compaq
    Mouse
    Alps Pointing Device Touchpad
    Internet Speed
    2 Mbps Download, 512 Kbps Upload
    Other Info
    Integrated Web-Camera
    (P.S. Have another custom-built PC with Win7 x64)
yeah mate IF its a shop bought pc it'll be your recovery partition , you dont get a Vista install disk when you buy a manufactured laptop/pc (although you have actually paid for one!!) what they do is put all this information on a seperate partition on your hard drive so in the event of any major catastrophe you can use it to revert your laptop/pc back to its factory state.

They shoul probably explain all this to you when you purchase your pc with its "200gb" hard drive........but they never do.

That along with the explanation from Brink is where your missing space may has gone :D
 

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    Intel Q9550 @ 4Gig / Titan Fenir
    Motherboard
    XFX 780i
    Memory
    4GB OCZ PC2-8500C5 DDR2
    Graphics Card(s)
    Gainward GTX260/216 SLI
    Sound Card
    Creative X-FI Xtreme Gamer
    Monitor(s) Displays
    Dell UltraSharp 2209WA 22"
    Screen Resolution
    1680x1050
    Hard Drives
    western digital raptor 10000rpm sata
    PSU
    OCZ Modstream 700w
    Cooling
    Titan Fenir
    Keyboard
    Razer Reclusa
    Mouse
    Logitech G5 Gamer
    Internet Speed
    8mb
You're welcome Zigeroid. :)
 

My Computers

System One System Two

  • Operating System
    Windows 10 Pro 64-bit
    Manufacturer/Model
    Custom
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
  • Operating System
    Windows 10 Pro
    Manufacturer/Model
    HP Envy Y0F94AV
    CPU
    i7-7500U @ 2.70 GHz
    Memory
    16 GB DDR4-2133
    Graphics card(s)
    NVIDIA GeForce 940MX
    Sound Card
    Conexant ISST Audio
    Monitor(s) Displays
    17.3" UHD IPS touch
    Screen Resolution
    3480 x 2160
    Hard Drives
    512 GB M.2 SSD
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