Category Archives: Windows

Windows

Disk Utility Internal Error and Mac Data Loss

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In Mac OS X, Disk Utility is used to perform several disk related tasks. It is beneficial in creating, converting, compressing and encrypting disk images, checking the SMART status of hard drive, verifying the disk integrity, mounting or unmounting the hard drive, checking and repairing file system errors and repairing hard drive permissions.

This efficient application does not work in all possible situations and may not prevent the data loss circumstances. When data loss occurs, Mac Data Recovery is required to salvaged affected storage media and retrieve lost data.

In a practical scenario, when you try to repair hard drive permissions using the Disk Utility program, you might encounter the below error message:

“Disk Utility Internal Error.

Disk Utility has lost its connection with the Disk Management Tool and cannot continue. Please quit and relaunch Disk Utility.”

After this error message, the repairing process gets halted and the drive remains intact, i.e. in damaged state. At this point, you are required to find out the cause of this issue and go for Data Recovery Mac to sort out it.

Cause

As stated in the above error message, this issue occurs due to some errors in Disk Management Tool when it encounters the particular file, known as Chess. If you find out that the problem is caused by this file, then you should delete this file. This behavior of Mac OS X may also occur if something goes wrong with the file system or other system files. File system corruption is one of major causes of data loss.

Resolution

If deleting the Chess file does not resolve this problem, try Repair Disk from the boot disk of Mac OS X. For file system related issues, format the drive and reinstall the operating system. It will solve most of the hard drive related problems but also deleted all of the data from hard drive. It requires Mac Recovery Software to recover data loss such cases.

Recovery is possible with the help of powerful third party applications. The software are pretty easy to use and thus allow you to have Mac Data Recovery on your own. By effective scanning techniques, these tools can handle all types of data loss problems. Due to read only and non destructive conduct, they do not alter the original data on hard drive.

Stellar Phoenix Macintosh Data Recovery is the most efficient and reliable solution for all your Mac data loss scenarios. It supports Mac recovery from HFS, HFS+, HFSX, HFS Wrapper and FAT file system volumes. The software is compatible with Mac OS X 10.6, 10.5, 10.4 and 10.3.9.

How to Remove and Uninstall Vista

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Windows OS supports dual booting a computer, where consumers could setup multiple OS’s and choose which system to turn on to startup. If you have used Windows Vista on top of current Windows XP to make the computer a dual-boot system, but now determined to dump or ditch the Windows Vista separation to relapse to the classic Windows XP go after the instruction below to remove and uninstall Windows Vista to maintain only Windows XP w/out having to install back the Operating System, and w/out affecting saved data and files.

Important: Don’t use this guide if your dual-boot system is Windows Vista.

1. Boot your PC and go to Windows desktop.

2. Put the Windows Vista DVD installation disc to DVD-ROM or CD-ROM optical drive.

Otherwise, mount the image of Windows Vista DVD ISO on any virtual drive.

3. Open Command Prompt, or click Start menu to go to Run command.

4. In the Run text box or the command prompt, issue the subsequent command and press Enter:

[DVD Drive Letter]:bootbootsect.exe /nt52 ALL /force

For instance,

If the DVD path is D:, then key in the following:

D:bootbootsect.exe /nt52 ALL /force

The step will eliminate the boot menu to choose OS to begin.

5. Eject the DVD disc and restart the PC.

6. The PC will open up with Windows XP setup partition.

7. Manually eliminate folders and files of Windows Vista, including Program Files, Windows, and Users folder. If you are installing to divide partition, simply format the separation to clean it immediately.

8. On the root folder of Windows XP, erase BootSect.BAK and Boot.BAK. The 2 files are scrap backup files of previously placed Windows Vista boot-loader, but no longer helpful for Windows XP system.

Tip: NT52 is the Master Boot Record or MBR used by Windows Server 2003 and Windows XP, while Windows Vista utilizes NT6. So if you are going to uninstall Windows 7 in Vista/7 dual-boot system, alter the NT52 in the prompt to NT60.

Fast Shortcut: It is possible to arrange the Windows Vista partition immediately as well, and then begin the computer with Windows XP installation CD to fix the partition, or open the “bootsect /nt52 c:” command from the boot folder of Operating System immediately to fix the boot partition.

How to Make a Windows Xp Boot Disk

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When you press the power button on your computer and it just sit

there with none of those clicking and beeping sounds along with

the monitor still having that blank screen,you know that you’re

going to have a bad day.

A computer that fails to boot can be one of the most pain

staking things that can happen to a pc user.And in most cases,

the user don’t have a clue as to what procedures they can take

to get the PC up and running again.

When you do experience pc bootup failure, always start your

troubleshooting by checking the obvious.It the cord plugged into

the wall outlet and is the other end securely plugged in the

rear of the system unit.

In many cases the cause is a corrupted startup file which

prevent the computer from going through the bootup from start to

finish.In this case, an easy way to start your PC is to have an

emergency boot disk handy.

A Boot Disk contain copies of critical files needed for startup

that you should have made earlier.To use the floppy disk, all

you need do is to place it in the floppy drive and reboot the

computer.

As the computer start the boot process, Windows will use the

good files to get itself going.The Windows XP boot disk will

enable you to resolve a corrupt Ntbootdd.sys driver, missing or

corrupt Ntdr or Ntdetect.com files.

These files are used by Windows XP and are crucial to its

startup and configuration.The boot disk have also repair a

damaged MBR or Master Boot Record.

The MBR is a small program executed when the PC boots and

resides on the first sector of the hard driveIt looks up the

partition on the hard drive.You can create a MBR with the FDISK

/MBR coomand

A damaged boot sector can also be corrected with the boot

disk.Your Windows XP boot disk will be a life saver when you

have pc bootup failure and you need that file for your next

interview.

A sector is the smallest unit that can be accessed on a

disk.When a disk is low level formatted, it will be divided

tracks and sectors

When making a boot disk make a mental note of the files being

copied.This will give you added knowledge when you will need to

help in making their boot disk.To make a boot disk, perform the

following.

Place a blank formatted floppy disk in your floppy drive and go

to My Computer in Windows XP.Click the hard drive icon and on

the toolbar, click Tools, Folder Options, and then click the

View Tab.

And scroll down and check “Show hidden files and folders” and

just below uncheck “Hide protected operating system files

(recommended). Now we’re getting a little slower.

Take note of this process and as you become more familiar with

this task, you’ll be able to make a boot disk for others in no

time and help them save on down time.

After unchecking “Hide protected operating system files, click

OK.Some grayed out files will now be visible in the drive

window.These files are protected system files.

Now you’re ready to select the boot, the NTDETECT, and the ntldr

files.Now right-click, click Send To, and select Floppy ( A:

).When you have copied all files to the floppy, you now have a

Windows XP boot disk.

You should make two or more boot disks and place them in a safe

place away from any type of magnetic or static charges.Before

putting them away don’t forget to label your life saving floppy

disks.

Should you be unfortunate enough to have to put one of your boot

floppies to use, remember to replace the startup files on the

hard drive with the ones on the floppy.

If you overlook this critical step, you’ll have the same boot

up problem every time.Take your time as you copy the files and

be sure not to reverse the copy procedure.

This is why its important to make two or more boot disks. This

way should you have an accident with one disk, so what, you paid

attention here and made several copies.

You’ve done it.You’re now armed with a repair tool should your

XP computer fail to boot.All Windows 98, 2000, and Me users also

have the resources to create a book disk.

Mac Data Loss While Changing Partition Table From APM To GPT

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When Apple moved to Intel processors from PowerPC, a number of changes have been made to the way in which Macintosh works. The changes included the move from PowerPC RISC (Reduced Instruction Set Computers) chip to Intel Core Duo CISC (Complex Instruction Set Computer).

At the same time, Apple allowed its users to change their partition table from APM (Apple Partition Map) to GUID Partition Table (GPT). But sometimes, after changing the partition table, your Mac OS system may not start and you may come across data inaccessibility and data loss problems. To overcome these issues, Mac Data Recovery is required.

GPT is an advanced partitioning scheme that works on both Intel and PowerPC based computers. For this reason, you can use it for both Mac OS X and Windows operating system. It provides you a greater flexibility of resizing hard drive partitions and to easily and effectively manage your mission critical data.

APM (Apple Partition Map) is an extremely simple and robust partition structure to partition a hard drive, which can be formatted as either HFS+ or HFS file system. APM partitions do not contain boot code. The Open Firmware of computer has the code for reading this structure. APM is read by the Open Firmware and then HFS+ file system read and finally operating system is booted. Open Firmware is capable of booting the system only from HFS file system volumes and thus it is not compatible with Windows operating system.

GPT (GUID Partition Table) is a partitioning scheme that is included in EFI (Extensible Firmware Interface) of Intel. It is defined by the formal standard as a part of EFI. GPT encompasses entire hard drive with a secondary partition table to the end of drive. It works as a backup copy of primary data.

Due to advanced functionalities, stability and other features, several Mac users are changing their partition tables from APM to GPT. But sometimes after converting the partition table, your may not see your hard drive partitions and can not access data from them.

Such situations might occur due to incomplete or interrupted conversion of partition table. In such case, you need to perform Data Recovery Mac to retrieve your lost or missing data. It is best possible with the help of powerful and advanced third party Mac Recovery software.

These software are very easy to use and perform complete scanning of the affected hard drive using proficient scanning methods. These software are very easy to use and allow you to have Do It Yourself Mac Data Recovery.

Stellar Phoenix Mac Data Recovery is a robust tool to recover all your lost data in most of the data loss situations. It can recover data from HFS, HFS+, HFSX, HFS Wrapper and FAT file system volumes. This software is compatible with Mac OS X 10.5, 10.4 and 10.3.9.

Windows Vista Blue Screen – How to Fix the Windows Vista Blue Screen

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Computer troubled with the Vista blue screen? It is also appropriately called the Vista blue screen of death (BSOD). If you have ever had the unfortunate pleasure of having to deal with it you know why it has that name. Your computer suddenly freezes up displaying a windows blue screen with a bunch of computer language on it. Then your CPU reboots while you lose whatever you were working on or doing at the time. The problem can be a huge pain in the neck. But how do we fix this dreaded Vista blue screen of death? Well first we have to figure out what is causing it. It is usually one of two things:

You were running too many programs at once. This is perhaps the most common and easiest symptom to deal with. The solution is simple. Run less programs or add additional RAM to your computers physical memory.

The other cause is a little more complicated to fix but there are easy solutions if you have the right software.

You have errors in your Windows Vista registry. The registry is the lifeblood of your system. It contains data to run all software and hardware on your computer. So obviously when things go wrong with the registry it can cause major problems.

Unfortunately Windows Vista does not have any internal mechanism to fix corrupt registry errors. The Vista blue screen errors will simply get worse and worse until something is done to clean up registry problems.

Fortunately I have found a program that can fix the Windows Vista blue screen error quite easily. I actually consider it the best registry cleaner for Vista. Not only can it fix the Vista blue screen of death, it also has an optimization feature to speed up your computer tremendously. Scan your computer for free and see if there are any errors you need fixed.

Invalid B-tree Node Size May Cause Data Loss in Mac OS X

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A Mac OS X hard drive can be divided into several volumes. These volumes work as individual drives and can be used to store different kinds of data and software. Every Mac volumes is made up of four general items: files, directories, file threads and directory threads. In order to define these items, Mac volumes store their records in form of the catalog file.

The catalog file is stored in B-tree structure or formation. So for locating any file or directory, operating system needs to traverse entire catalog B-tree. But in some cases, this tree or some of its nodes might get damaged. This situation renders all of your critical data inaccessible and require hard drive formatting to be resolved. The formatting removes stored data from hard drive and cause Mac data loss, which needs Mac Data Recovery to retrieve lost data.

While accessing Mac OS X hard drive volumes, you might encounter the below error message:

“Invalid B-tree node size”

The above error occurs in HFS file system based Mac volumes while verifying the file system integrity with the help of Disk Utility. The damaged volumes could not be repaired using Disk Utility. You encounter this error if the size of B-tree is incorrect. Total allowed size for HFS catalog file records is 512 bytes and for HFS+ catalog file records is 8 KB. In these circumstances, you need to find fix this problem by carrying out Data Recovery Mac.

Resolution

You can sort out this issue by following the underwritten steps:



Disk Utility can not correct invalid node size problem, so use fsck in single user mode.



Use third party hard drive repair applications after backing up your data.



When both of the above methods don’t work, go for hard drive formatting. It corrects all of the hard drive related issues.



Though, hard drive formatting is capable of resolving such issues, but it also deletes your critical data from hard drive and cause complete data loss. In such cases, Mac File Recovery software come for your rescue.

These are advanced applications, which use efficient scanning procedures to thoroughly scan affected hard drive and retrieve all lost, missing and inaccessible data. Mac Recovery tools are quite easy to use and thus do not demand sound technical skills.

Stellar Phoenix Macintosh Data Recovery is the most effective solution for all Mac data loss situations. It retrieves lost files, directories, volumes and data from HFS, HFS+, HFSX, HFS Wrapper and FAT file system volumes. This software is compatible with Mac OS X 10.5, 10.4 and 10.3.9.