Permanently delete the file

vgupta54

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I have a laptop which i was formatted and installed the Windows7. I know that if the memory is not overrided then last data will be recoverable. I want to know is there any way by which last deleted records cant be recovered by any methods.
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Sony
OS
Win7

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP Pavilion dv6-6c10us
OS
x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
CPU
AMD A6-3420M APU with Radeon(tm) HD Graphics
Motherboard
Hewlett-Packard 1805
Memory
6.00 GB
Graphics Card(s)
AMD Radeon(TM) HD 6520G
Sound Card
(1) AMD High Definition Audio Device (2) IDT High Definiti
Monitor(s) Displays
HP W2072a 20" LCD (1600 x 900) @ 60 Hz
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST640LM0 00 HM641JI SATA Disk Device
Keyboard
Logitech k520 wireless KB
Mouse
Logitech m320 wireless mouse (bundled with KB)
Internet Speed
15/5 | 54 MB Wireless 'n'
Antivirus
Realtime: Defender or Avast | On-demand: Malwarebytes, ESET
Browser
IE 11 on Win8, IE 10 on win 7
Other Info
Media: [Gimp, Audacity, VLC] || Comm: [WEmail 2012, Skype] || Productivity: [OpenOffice,| Textpad] || Utils: [Sysinternals, cCleaner, Speccy, Defraggler]
Also, deleting files only deletes the first letter of the file name and marks the space as available for use when needed, this goes way back to DOS days and is why recovery programs can work. Sometimes defragmenting the HDD or Partition moves enough files around to overwrite deletions. There's usually two types of formatting available when installing Windows over a previous install, the Quick version doesn't seem to wipe everything out while the Full version should. For a truly clean HDD I'll use a partition deleting program such as GPARTED which then gives the installation clean slate to start just as it has with a new out-of-the-box HDD.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Customs, Dell, Gateway, HP, Toshiba, Acer, ASUS
OS
Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
Keyboard
Microsoft
Mouse
Microsoft
Hi there, I just thought I would add my suggestion.
There is another utility you might want to look into, it is a free utility known as Hard Disk Scrubber.
The reason I am recommended it is because it will clean the "free space" to Department of Defense standards if you use the Ultra settings. It can be used to wipe an entire hard drive or, in your case, render all the old data now in free space as close to unreadable as possible. It will rewrite the entire free space sections with 1s, then 0s, then 1s, then 0s again. It can do this as many times as you set it to, the website is excellent at showing a visual and read along guide for the program.

Hard Disk Scrubber - Secure Delete Utility
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Ultimate 64bit
CPU
Intel Pentium G3420
Motherboard
BIOSTAR Hi-Fi B85S3+ Ver. 6
Memory
Apotop Altair Pro 8GB (Dual Channel Kit)
Graphics Card(s)
Gigabyte GeForce GTX 780 WindForce 3x
Sound Card
Onboard Realtek HD
Monitor(s) Displays
Acer P201W
Screen Resolution
1680x1050
Hard Drives
WD Black Edition 1TB SATA II
WD Black Edition 750GB SATA II
PSU
Rosewill Xtreme Series RX750-S-B 750W Continuous
Case
Thermaltake V4
Cooling
Stock CPU, full case ventilation
Browser
Google Chrome

My Computer

Computer Manufacturer/Model Number
HP, Dell, Gateway, Toshiba - 4 laptops and 2 desktops
OS
Vista, Windows7, Mint Mate, Zorin, Windows 8
CPU
from 1.6GHz Duo to i7
Monitor(s) Displays
2x HP w2207
Hard Drives
5x HDD, 7x SSD, 12x Externals
Keyboard
with trackball - no mices
Mouse
Trackball mice
Internet Speed
DSL 6000

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Golden Mk. I.4
OS
Windows 10 Pro x64 ; Xubuntu x64
CPU
Intel i7 860 @ 2.80 GHz O/C'ed to 4.0GHz
Motherboard
Gigabyte P55A-UD3R Rev.1. Award BIOS F13
Memory
16GB Corsair Vengance DDR3 @ 661 MHz Dual Channel (9-9-9-24)
Graphics Card(s)
EVGA NVidia GTX 560 1024MB
Sound Card
Realtek Integrated
Monitor(s) Displays
Dual Samsung SyncMaster 2494HS
Screen Resolution
1920*1080 and 1920*1080
Hard Drives
1*Samsung 840 EVO 120GB SSD;
1*OCZ Vertex 2 60GB SSD;
2*Samsung F3 SpinPoint 1TB in RAID0;
1*Samsung F1 SpinPoint 1TB;
2*Western Digital 1TB External USB 3.0
1*Western Digital 500GB External USB 3.0
1*Seagate 500GB External USB 2.0
PSU
Thermaltake ToughPower QFan 750W
Case
Thermaltake Element S VK60001W2Z
Cooling
Corsair H60 Water Cooling, 2*230mm and 2*80mm case fans
Keyboard
Logitech G110
Mouse
Logitech MX518
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