Whenever a computer system is powered up, BIOS (Basic Input/Output System) may be the first program (a firmware that's computer software on hardware) executed with a computer system. The BIOS detects, tests and initializes system devices like hard disk drives, optical drives, keyboard, display and so on. Following the BIOS always check has ended, computer system files take over to detect the hardware and computer software environment. Among all computer storage media, hard disk drive is the most typical one because of its large storage capacity and cost-effectiveness. When the hard disk fails because of hardware problems, BIOS does not detect it. This broadly speaking happens when hard disk drive suffers physical problems associated with a number of of its internals. Trying to run such failed hard disk drives may cause more harm to your computer data. So, should you ever encounter such problems, it is suggested to power down the machine instantly and consult data recoverysolution providers for recovering lost data.

The very first function of BIOS would be to run POST (Power-On Self Test) that's stored on a predetermined address in memory. This code is responsible to collect information of attached drives including hard disk drive. It makes certain that all hardware is working correctly and the minimum hardware required can be obtained. Hence, if the hard disk is damaged, POST might not detect it.

Particularly, BIOS might neglect to recognize the hard disk post problems as physical crash. But, there might be other problems aswell like: You have recently changed the BIOS settings and hard disk drive isn't precisely configured. Hard disk drive is inappropriately attached to the machine. Power cable or interface cable is damaged or maybe not mounted on the mainboard. Jumper settings aren't correct. Hard disk controllers are disabled in BIOS.

To resolve the problem, you'll need to follow along with these steps: Set your BIOS settings to default Verify all cables have been in good shape and therefore are correctly connected Always check jumper settings. When you have attached two hard disk drives to a port/connector, ensure that one of these is configured as master along with other as slave Ensure that all/in-use hard disk drive controllers are enabled If the issue continues, you're looking for a tough drive recoverycompany which has all of the modern facilities and tools to recuperate lost data.

Data Recoveryservice incorporates cutting-edge technologies and tools which are meant to recover lost data. When you initially send your failed hard disk to a recovery company, the recovery experts scrutinize it under safe and controlled lab environment of Clean Rooms. Predicated on such analysis, suitable recovery procedures are followed to recuperate optimum lost data. For instance, if your hard disk drive is damaged because of read/write head crash, experts repair or replace it.

Stellar Information Systems Limitedis industry's leading provider of quality data recovery services. Stellar's recovery experts work under state-of-the-art Class-100 Clean Rooms. The recovery solutions are for sale to just about all makes and types of hard disk drives (SCSI, SATA, EIDE and IDE), USB flash drives and SSDs (Solid State Drives: SATA). Stellar provides complete data recovery solutions for Server, RAID, SAN and NAS hard disk drives.

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Resource: What You Do When BIOS Fails to Detect Hard Drive