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iMac is a range of desktop computers, provided by Apple Inc. With great looks and easy to use features, iMac has been designed for all office and home users. Though sometimes, it is observed that iMac G5 stops responding at startup. The issue may be due to the operating system, computer system files or application software. The logical crash though pretty rare in iMacs, may demand Mac Data Recovery. The other problems may be problematic external devices and hard drive issues.

o In order to see if it is not an external device problem, we need to first disconnect all of them including FireWire, Ethernet, mouse, keyboard and USB devices. Then, we need to reconnect these devices one at a time and restart the computer system. If system stops responding only after connecting a specific device, then we need to replace the device. The issue can also be of a cable related to that device. So we need to check for any cable problems also and replace the cable if necessary.

o Another issue could be corrupt software. So we need to start the system using Software Install and Restore disc. If system starts normally, then the issue is damaged software and we need to reinstall the operating system to get the fresh copy of software using Archive and Install method.

o If the issue still persists or hard disk is not visible while installing Mac OS X, the hard disk may have gone corrupt. We can use Disk Utility or reformat the hard disk and recover the lost data using backup or Mac Recovery software. We can also use third-party Drive Utility to reformat the hard disk, if it is not visible even in Disk Utility.

o However, if the hard drive is still undetectable, we need to replace it as the issue can be physical. But, before that we need to extract data by availing Mac Data Recovery service.

Mac Recovery software are scanning utilities for corrupted or formatted hard disks which extract lost data, maintaining data integrity. However, under Mac Data Recovery service, the physically failed hard drive is repaired and lost data is extracted using advanced tools and techniques.

Stellar Information Systems Limited, the leaders in Data Recovery industry offer robust Mac Data Recovery solutions. Stellar Phoenix Macintosh Data Recovery is the best application which uses powerful scanning algorithms to extract lost information. This Mac Recovery software is compatible with HFS, HFS+, HFSX and HFS Wrapper file systems. Phoenix Mac Data Recovery supports all Mac OS X 10.3.9 and above versions. Stellar also offers safe Mac Recovery service through Class 100 Clean Rooms, where experts extract lost data using appropriate tools and procedures.

K Madhav is a student of Mass Communication doing research on File Recovery Software.
He is also a freelancer for http://www.stellarinfo.com

Article Source: iMac G5 Stops Responding At Startup

During POST or Power On Self Test, computer BIOS attempts to get information regarding all of the devices attached to your computer system. After examining the processor and primary memory (RAM), it checks for the devices like hard drive, CD ROM etc and shows them with messages on screen like ‘Found Primary Master’ and ‘detecting IDE drives’ etc.

-> POST (Power On Self Test) is the first thing done by BIOS when your computer first boots up. POST is an in-built diagnostic program, which examines the hardware of your computer system to make sure that everything is available and working properly.

Many times, the BIOS of your computer just declines to recognize the hard drive, basically makes it unusable- there is no way in which your operating system will recognize the hard drive if BIOS can not. Let’s observe why all this happens.

The most frequent reason of this problem is a badly connected or loose data cable. You should first ensure that data cable is properly plugged in, both into the motherboard as well as the hard drive.
The same thing goes for the power cable, so you should check it as well. You should also make sure that red lines on data cable and the power cable are contiguous to one another.

Once you have ruled out the cable problems, you need to check out the jumper settings on hard drives. If two hard drives are attached to a port, ensure that one is set as masters and other as slave.
Next, ensure that the hard drive controllers on motherboard are not disabled. These hard drive controllers control the IDE devices and without them BIOS could not detect the hard drives.

If any of the above mentioned methods does not work, you need to search for a data recovery expert to cure your hard drive. It seems that hard drive has some internal problems, which can not be cured without opening it. And you are not recommended to open your hard drive at your own.

Data recovery experts are highly qualified and trained professionals, who know all ins and outs of the hard drive and are able to fix most of the physical hard drive problems. To ensure absolute and safe data recovery, always go for the experienced and reliable data recovery company.

Stellar Information Systems Limited is the most trustworthy and leading data Recovery Company, having more than 15 years of rich experience. Stellar’s personalized data recovery services is offered by highly trained data recovery specialists through Class 100 Clean Rooms.

Williamz Jack work as a freelancer and researcher of Data Recovery & File Recovery Software.

Article Source: What to Do When BIOS Does Not Recognize the Hard Drive?