Q. On my home computer, I had two log-in accounts, that require passwords. I was logged into one account, then decided to switch users, but now one of them has disappeared, and I don't know what happened to it, or how to get it back. The icon on the start up screen is even missing for that account. How do I get it back, if that is possible?
A. One method of gaining access to the system is by trying hard to remember the forgotten password, or a password of another user which has the same level of administrative rights. However I don't think this approach will help you, otherwise you wouldn't be sitting here reading article, would you?)
Another method is by trying to restore a backed up System State (in Windows 2000/XP/2003) or a ERD (in NT 4.0) in which you do remember the password. The problem with doing so is that you'll probably lose all of the recently add users and groups, and all the changed passwords for all of your users since the last backup was made.
A third method might be to install a parallel operating system on a different partition on the same computer, then use a simple trick to gain access to the old system. Read more about it on my Forgot the Administrator's Password? - Alternate Logon Trick article.
Note: If you are looking for password cracking tools that can be used for miscellaneous objectives such as password-protected PDF documents, zipped archives, Office documents, BIOS protection and so on then this pages is NOT for you. See some links at the bottom of this page for hints on where to find such tools, but I can tell you right away that Google might be a better choice for you.
The fourth option is by using 3rd party tools that will enable you to reset the lost password and logon with a blank password
Beware!!! Resetting a user's or administrator's password on some systems (like Windows XP) might cause data loss, especially EFS-encrypted files and saved passwords from within Internet Explorer. To protect yourself against EFS-encrypted files loss you should always export your Private and Public key, along with the keys for the Recovery Agent user. Please read more about EFS on my What's EFS? page. Out of the following list, the only tool that will no cause any harm to EFS-encrypted files on your hard disk is the Windows Password recovery system.
Here are 5 of these tools:
SpotMau Password Finder - Simple startup utility resets a forgotten admin or users' password using a familiar Windows-like program interface instead of command-line.
Windows Key - Top rated version of Passware's Windows Key app, supports Windows Vista and RAID/SCSI/SATA drives.
Petter Nordahl-Hagen's Offline NT Password & Registry Editor - A great boot CD/Floppy that can reset the local administrator's password.
Openwall's John the Ripper - Good boot floppy with cracking capabilities.
EBCD â Emergency Boot CD - Bootable CD, intended for system recovery in the case of software or hardware faults
Windows Password recovery
http://www.loginrecovery.com
This site provides a tool to recover lost Windows XP passwords. It works for administrator and user accounts, it doesn't change the password just tells you the old one. It works with encrypted files (EFS) and password hashes. It even works if no passwords at all are known for the machine (as long as you have another computer with internet access to view this website with).
Another method is by trying to restore a backed up System State (in Windows 2000/XP/2003) or a ERD (in NT 4.0) in which you do remember the password. The problem with doing so is that you'll probably lose all of the recently add users and groups, and all the changed passwords for all of your users since the last backup was made.
A third method might be to install a parallel operating system on a different partition on the same computer, then use a simple trick to gain access to the old system. Read more about it on my Forgot the Administrator's Password? - Alternate Logon Trick article.
Note: If you are looking for password cracking tools that can be used for miscellaneous objectives such as password-protected PDF documents, zipped archives, Office documents, BIOS protection and so on then this pages is NOT for you. See some links at the bottom of this page for hints on where to find such tools, but I can tell you right away that Google might be a better choice for you.
The fourth option is by using 3rd party tools that will enable you to reset the lost password and logon with a blank password
Beware!!! Resetting a user's or administrator's password on some systems (like Windows XP) might cause data loss, especially EFS-encrypted files and saved passwords from within Internet Explorer. To protect yourself against EFS-encrypted files loss you should always export your Private and Public key, along with the keys for the Recovery Agent user. Please read more about EFS on my What's EFS? page. Out of the following list, the only tool that will no cause any harm to EFS-encrypted files on your hard disk is the Windows Password recovery system.
Here are 5 of these tools:
SpotMau Password Finder - Simple startup utility resets a forgotten admin or users' password using a familiar Windows-like program interface instead of command-line.
Windows Key - Top rated version of Passware's Windows Key app, supports Windows Vista and RAID/SCSI/SATA drives.
Petter Nordahl-Hagen's Offline NT Password & Registry Editor - A great boot CD/Floppy that can reset the local administrator's password.
Openwall's John the Ripper - Good boot floppy with cracking capabilities.
EBCD â Emergency Boot CD - Bootable CD, intended for system recovery in the case of software or hardware faults
Windows Password recovery
http://www.loginrecovery.com
This site provides a tool to recover lost Windows XP passwords. It works for administrator and user accounts, it doesn't change the password just tells you the old one. It works with encrypted files (EFS) and password hashes. It even works if no passwords at all are known for the machine (as long as you have another computer with internet access to view this website with).
my sister deleted all of my pics off my camera?
Q. we just came back from a family reunion and i need the pictures by today, but i dont want to pay $20-$40. is there any softwhere that i can get them all back and i can save the pictures on my computer for free?
A. If you've just deleted them then it would be easier to recover all the data, but if you performed total formatting, it would be more diffucult.
Besides, before recovering, choose another partition to store the info.
Few programs to perform restoration:
Data Doctor Recovery PRO - FREE
(system requirements: Power Data Recovery is able to runs on all Windows platform. 486 or Pentium-class processor IDE/SATA/SCSI hard drive 64MB RAM (128 MB recommended) Windows 98/Me/NT/2000/XP/2003/Vista, 100 MB of free space. A second hard disk is recommended for recovery.)
Power Data Recovery 4.1.2 - FREE
(system requirements:Windows operating system. 486 or Pentium-class processor IDE/SATA/SCSI hard drive 64MB RAM (128 MB recommended), 100 MB of free space. A second hard disk is recommended for recovery.)
R-STUDIO Network Edition 3.6 - Data Recovery Software - NOT FREE
ARAX Disk Doctor Data Recovery - NOT FREE
(Data recovery from all Windows file systems: FAT32, FAT16, FAT12, NTFS, NTFS5, NTFS Encrypted Folders, etc.
Data recovery from NTFS Encrypted Folders (EFS).
Recovery of lost data from deleted or damaged partitions.
File recovery on hard disk drives: IDE, ATA, SATA, SCSI
Data recovery on flash memory cards: Compact Flash, Sony MemoryStick, Secure Digital, etc.)
Data Recovery from damaged, deleted, formatted or reformatted partitions
Data recovery of compressed, fragmented and encrypted files on NTFS partitions
Recovery of partitions lost by virus attack
Recovery of partitions with damaged Master Boot Record (MBR)
Virtual RAID Disk Array Reconstruction (RAID-0, RAID-1, RAID-5, Spans)
USB Hard drives and other removable devices are supported
Dynamic Disk Volumes are supported
National language characters in the filenames are supported
Advanced search by file name, file date, mask, size range and attributes
Visible representation of file or folder recoverability
Ability to preview file*s contents before the recovery
Disk Hex Editor displays and allows to edit content of any sector on the drive
Two types of drive and device scan: Simple Drive Scan (fast) and Advanced Drive Scan (slow)
Ability to look for a particular partition type (FAT, NTFS) in the Advanced Device Scan
Files and folders can be recovered to any (local or network) drive accessible by operating system
Create and work with raw and Compressed Disk Images - representing whole drive in one file
Virtual Editing of any drive*s parameters to perform data recovery in manual mode
Save and Load Advanced scan results
Modify the properties of existing, found or virtual partitions.)
I think that pictures can be restored successully without any problems.
GL.
Besides, before recovering, choose another partition to store the info.
Few programs to perform restoration:
Data Doctor Recovery PRO - FREE
(system requirements: Power Data Recovery is able to runs on all Windows platform. 486 or Pentium-class processor IDE/SATA/SCSI hard drive 64MB RAM (128 MB recommended) Windows 98/Me/NT/2000/XP/2003/Vista, 100 MB of free space. A second hard disk is recommended for recovery.)
Power Data Recovery 4.1.2 - FREE
(system requirements:Windows operating system. 486 or Pentium-class processor IDE/SATA/SCSI hard drive 64MB RAM (128 MB recommended), 100 MB of free space. A second hard disk is recommended for recovery.)
R-STUDIO Network Edition 3.6 - Data Recovery Software - NOT FREE
ARAX Disk Doctor Data Recovery - NOT FREE
(Data recovery from all Windows file systems: FAT32, FAT16, FAT12, NTFS, NTFS5, NTFS Encrypted Folders, etc.
Data recovery from NTFS Encrypted Folders (EFS).
Recovery of lost data from deleted or damaged partitions.
File recovery on hard disk drives: IDE, ATA, SATA, SCSI
Data recovery on flash memory cards: Compact Flash, Sony MemoryStick, Secure Digital, etc.)
Data Recovery from damaged, deleted, formatted or reformatted partitions
Data recovery of compressed, fragmented and encrypted files on NTFS partitions
Recovery of partitions lost by virus attack
Recovery of partitions with damaged Master Boot Record (MBR)
Virtual RAID Disk Array Reconstruction (RAID-0, RAID-1, RAID-5, Spans)
USB Hard drives and other removable devices are supported
Dynamic Disk Volumes are supported
National language characters in the filenames are supported
Advanced search by file name, file date, mask, size range and attributes
Visible representation of file or folder recoverability
Ability to preview file*s contents before the recovery
Disk Hex Editor displays and allows to edit content of any sector on the drive
Two types of drive and device scan: Simple Drive Scan (fast) and Advanced Drive Scan (slow)
Ability to look for a particular partition type (FAT, NTFS) in the Advanced Device Scan
Files and folders can be recovered to any (local or network) drive accessible by operating system
Create and work with raw and Compressed Disk Images - representing whole drive in one file
Virtual Editing of any drive*s parameters to perform data recovery in manual mode
Save and Load Advanced scan results
Modify the properties of existing, found or virtual partitions.)
I think that pictures can be restored successully without any problems.
GL.
Can you give me an advanced explanation of RAID?
Q. I kno the basic concepts of raid such as stripping, mirroring, and using both, but i dont know any of the other more complicated raid #'s. also can you define each #?
A. Okay- I'll Try to answer this for you..
* RAID-0: This technique has striping but no redundancy of data. It offers the best performance but no fault-tolerance.
* RAID-1: This type is also known as disk mirroring and consists of at least two drives that duplicate the storage of data. There is no striping. Read performance is improved since either disk can be read at the same time. Write performance is the same as for single disk storage. RAID-1 provides the best performance and the best fault-tolerance in a multi-user system.
* RAID-2: This type uses striping across disks with some disks storing error checking and correcting (ECC) information. It has no advantage over RAID-3.
* RAID-3: This type uses striping and dedicates one drive to storing parity information. The embedded error checking (ECC) information is used to detect errors. Data recovery is accomplished by calculating the exclusive OR (XOR) of the information recorded on the other drives. Since an I/O operation addresses all drives at the same time, RAID-3 cannot overlap I/O. For this reason, RAID-3 is best for single-user systems with long record applications.
* RAID-4: This type uses large stripes, which means you can read records from any single drive. This allows you to take advantage of overlapped I/O for read operations. Since all write operations have to update the parity drive, no I/O overlapping is possible. RAID-4 offers no advantage over RAID-5.
* RAID-5: This type includes a rotating parity array, thus addressing the write limitation in RAID-4. Thus, all read and write operations can be overlapped. RAID-5 stores parity information but not redundant data (but parity information can be used to reconstruct data). RAID-5 requires at least three and usually five disks for the array. It's best for multi-user systems in which performance is not critical or which do few write operations.
* RAID-6: This type is similar to RAID-5 but includes a second parity scheme that is distributed across different drives and thus offers extremely high fault- and drive-failure tolerance.
* RAID-7: This type includes a real-time embedded operating system as a controller, caching via a high-speed bus, and other characteristics of a stand-alone computer. One vendor offers this system.
* RAID-10: Combining RAID-0 and RAID-1 is often referred to as RAID-10, which offers higher performance than RAID-1 but at much higher cost. There are two subtypes: In RAID-0+1, data is organized as stripes across multiple disks, and then the striped disk sets are mirrored. In RAID-1+0, the data is mirrored and the mirrors are striped.
* RAID-50 (or RAID-5+0): This type consists of a series of RAID-5 groups and striped in RAID-0 fashion to improve RAID-5 performance without reducing data protection.
* RAID-53 (or RAID-5+3): This type uses striping (in RAID-0 style) for RAID-3's virtual disk blocks. This offers higher performance than RAID-3 but at much higher cost.
* RAID-S (also known as Parity RAID): This is an alternate, proprietary method for striped parity RAID from EMC Symmetrix that is no longer in use on current equipment. It appears to be similar to RAID-5 with some performance enhancements as well as the enhancements that come from having a high-speed disk cache on the disk array.
Does this answer your question?
* RAID-0: This technique has striping but no redundancy of data. It offers the best performance but no fault-tolerance.
* RAID-1: This type is also known as disk mirroring and consists of at least two drives that duplicate the storage of data. There is no striping. Read performance is improved since either disk can be read at the same time. Write performance is the same as for single disk storage. RAID-1 provides the best performance and the best fault-tolerance in a multi-user system.
* RAID-2: This type uses striping across disks with some disks storing error checking and correcting (ECC) information. It has no advantage over RAID-3.
* RAID-3: This type uses striping and dedicates one drive to storing parity information. The embedded error checking (ECC) information is used to detect errors. Data recovery is accomplished by calculating the exclusive OR (XOR) of the information recorded on the other drives. Since an I/O operation addresses all drives at the same time, RAID-3 cannot overlap I/O. For this reason, RAID-3 is best for single-user systems with long record applications.
* RAID-4: This type uses large stripes, which means you can read records from any single drive. This allows you to take advantage of overlapped I/O for read operations. Since all write operations have to update the parity drive, no I/O overlapping is possible. RAID-4 offers no advantage over RAID-5.
* RAID-5: This type includes a rotating parity array, thus addressing the write limitation in RAID-4. Thus, all read and write operations can be overlapped. RAID-5 stores parity information but not redundant data (but parity information can be used to reconstruct data). RAID-5 requires at least three and usually five disks for the array. It's best for multi-user systems in which performance is not critical or which do few write operations.
* RAID-6: This type is similar to RAID-5 but includes a second parity scheme that is distributed across different drives and thus offers extremely high fault- and drive-failure tolerance.
* RAID-7: This type includes a real-time embedded operating system as a controller, caching via a high-speed bus, and other characteristics of a stand-alone computer. One vendor offers this system.
* RAID-10: Combining RAID-0 and RAID-1 is often referred to as RAID-10, which offers higher performance than RAID-1 but at much higher cost. There are two subtypes: In RAID-0+1, data is organized as stripes across multiple disks, and then the striped disk sets are mirrored. In RAID-1+0, the data is mirrored and the mirrors are striped.
* RAID-50 (or RAID-5+0): This type consists of a series of RAID-5 groups and striped in RAID-0 fashion to improve RAID-5 performance without reducing data protection.
* RAID-53 (or RAID-5+3): This type uses striping (in RAID-0 style) for RAID-3's virtual disk blocks. This offers higher performance than RAID-3 but at much higher cost.
* RAID-S (also known as Parity RAID): This is an alternate, proprietary method for striped parity RAID from EMC Symmetrix that is no longer in use on current equipment. It appears to be similar to RAID-5 with some performance enhancements as well as the enhancements that come from having a high-speed disk cache on the disk array.
Does this answer your question?
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