Computer Repair

--> Problem The new operating system installer does not identify the hard disk. Remedy Switch off the computer. Remove the power cable. Open the cabinet. Check whether the hard disk power and data cables are connected properly. Change the hard disk power cable and check if it is identified in the CMOS setup. After confirming whether the hard disk is listed in the CMOS setup, boot the computer with the Disk manager bootable disk. Using disk manager, create a partition and prepare the hard disk. Now start the operating system installation. The Operating system will now identify the hard disk. Problem Unable to delete or create partitions in a hard disk. Remedy Check whether the hard disk is identified by a disk utility like FDISK. A Partition table virus may cause this kind of problem. Boot with a clean boot floppy and scan the hard disk for a virus infection. Even after this, if the partitions cannot be modified, use Disk Manager. ...

--> Most motherboards have only IDE interfaces. Latest motherboards come with SATA ports. To install a SCSI hard disk, a SCSI Host Bus Adapter card has to be installed. After installing the card and connecting the SCSI hard disk, switch on the computer. After the POST, the SCSI BIOS will prompt for any setup instructions. Follow the instructions from the manufacturer’s manual to install the SCSI adapter. To install Windows XP or any other operating system, appropriate drivers have to be installed when prompted by the OS installer, during the setup process. Now the SCSI hard disk will be identified and be available for use.