want to delete files permanently on windows8

maifs

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Lahore
Hi..

I want to delete files permanently on windows8 which can never be recovered.

I have to sell my notebook (installed windows8 RC).

SUggest please
 

My Computer

System One

  • OS
    windows7 ultimate/Professional, Windows 8
    System Manufacturer/Model
    Gericom/755CI
    CPU
    mobile AMD Athlon(tm) XP-M 2600+, 1514 Mhz, 1 Core(s), 1 Log
    Motherboard
    Gericom 755CI 1.0,BIOS: American Megatrends Inc. 1.04G 07/09
    Memory
    1024 MB
    Graphics Card(s)
    64 MB
    Sound Card
    Vinyl AC'97 Codec Combo Driver (WDM)
    Monitor(s) Displays
    VIA/S3G UniChrome IGP
    Screen Resolution
    1024 X 768
    Hard Drives
    C,D,E (Internal)

    G,H,I,J,K,L (External USB HD)
You need to download or buy some disk wiping software. If you have an SSD you need to get one that says it can work especially for SSDs (Though maybe using the max number of passes might work as well).

So look on google for Disk Wipe and there'll be a lot of things to choose from. NOTHING in windows itself will do this.
 

My Computer

System One

  • OS
    Windows 7/8
What is the meaning of SSD?

Could you please specify some freeware for windows?
 

My Computer

System One

  • OS
    windows7 ultimate/Professional, Windows 8
    System Manufacturer/Model
    Gericom/755CI
    CPU
    mobile AMD Athlon(tm) XP-M 2600+, 1514 Mhz, 1 Core(s), 1 Log
    Motherboard
    Gericom 755CI 1.0,BIOS: American Megatrends Inc. 1.04G 07/09
    Memory
    1024 MB
    Graphics Card(s)
    64 MB
    Sound Card
    Vinyl AC'97 Codec Combo Driver (WDM)
    Monitor(s) Displays
    VIA/S3G UniChrome IGP
    Screen Resolution
    1024 X 768
    Hard Drives
    C,D,E (Internal)

    G,H,I,J,K,L (External USB HD)
IS it true? I found below lines about unrecoverable files.

Any tool that overwrites the data is ultimately going to stop casual attackers (and, very likely, even well budgeted attackers). Recovering data from an overwrite on modern hard disk drives is extremely difficult. You can use as fancy a tool as you want (overwrites data with a cryptographically sound random number generator, etc), but in the end even a simple overwrite with zeros will protect you from all but the most sophisticated attackers.
Beware of SSDs and attempting to overwrite data. SSDs do "wear leveling" and tools that simply overwrite files without any awareness to the underlying storage technology may not actually overwrite the data.


 

My Computer

System One

  • OS
    windows7 ultimate/Professional, Windows 8
    System Manufacturer/Model
    Gericom/755CI
    CPU
    mobile AMD Athlon(tm) XP-M 2600+, 1514 Mhz, 1 Core(s), 1 Log
    Motherboard
    Gericom 755CI 1.0,BIOS: American Megatrends Inc. 1.04G 07/09
    Memory
    1024 MB
    Graphics Card(s)
    64 MB
    Sound Card
    Vinyl AC'97 Codec Combo Driver (WDM)
    Monitor(s) Displays
    VIA/S3G UniChrome IGP
    Screen Resolution
    1024 X 768
    Hard Drives
    C,D,E (Internal)

    G,H,I,J,K,L (External USB HD)
SSD is solid state drive. It is a drive that uses flash chips instead of spinning magnetic platters. If you have one, then you will have to use a special utility from the drive manufacturer to wipe your drive. If you have a normal HDD, you can use Eraser to delete the files.
 

My Computer

System One

  • OS
    Windows 8 RTM (Retinas taking damage...)
    CPU
    i5 2500
    Motherboard
    msi p67a-g43
    Memory
    16 GB DDR3 1333
    Graphics Card(s)
    2x Nvidia 9800 GTX+
SSD = Solid State Drive.

And yes that's true, there is a lot of "extra" space on an SSD that is rotated in and out of service as needed to maintain high throughput at all times. It's a sort of ongoing small scale defragging active at all times. But that means that a single pass wipe will not necessarily wipe out all data on the drive, there may be another 5-10% of "old" data left sitting in the currently unused areas.

Now I think that normally when one of these new areas comes back into service it is immediately and completely overwritten by new data, but still, would be best to get one that said it specifically handled SSDs (if you have one). Or run multiple passes, though even then that might not do it, the rules for rotating spare memory into and out of service are quite complex :(

I cannot personally recommend any one tool over another myself. Maybe some others have more experience, sorry.

[Edit] oops, crossed paths with phailyoor[/edit]
 

My Computer

System One

  • OS
    Windows 7/8
Securest system is.....

...take HDD/SSD out of notebook.....

...smash with hammer....several times!

Put new HDD/SSD in notebook.
 

My Computer

System One

  • OS
    WIN7 Home Premium 64-bit
    System Manufacturer/Model
    Homebuilt
    CPU
    Intel I7 920
    Motherboard
    Asus P6T-Se
    Memory
    6Gb
    Graphics Card(s)
    Sapphire HD5770
    Sound Card
    On-board
    Monitor(s) Displays
    ASUS VW246H, Samsing Syncmaster 2233, Samsung Syncmaster T200HD
    Screen Resolution
    1920x1080
    Hard Drives
    2 x 500Gb
    PSU
    Coolermaster Silent Pro M700
    Case
    NOX
    Mouse
    Logitech Marble
    Internet Speed
    10Mbps
    Other Info
    Dell Inspiron 1501 with Win 8 CP 32 Bit - flying along!
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