How to solve the error loading operating system when the computer is turned on?

After the computer is turned on, the error code of error loading operating system appears. At this time, the computer has a black screen and cannot enter the system. What is going on? In fact, this may be caused by DOS boot error, BIOS error, of course, the data can not be transmitted correctly may also cause error loading operating system error, then how to solve this problem? The following small series introduces you to the solution of error loading operating system when the computer is turned on.

error loading operating system error occurs when the computer is turned on, may be caused by DOS boot error, BIOS errors caused, of course, data can not be transmitted correctly may also cause error loading operating system error. The specific reasons and solutions are as follows:

1. This fault is usually caused by an error in the DOS boot record.

The DOS boot record is located in the logical 0 sector and is generated by the advanced format command FORMAT. After checking the partition table is correct, the main boot program reads the DOS boot record according to the start address of the DOS partition indicated in the partition table. If it fails for five consecutive reads, it gives an error message of "Error loading opearting system". If the DOS boot record can be read correctly, the main boot program will send the DOS boot record to the memory 0:7C00h, and then check if the last two bytes of the DOS boot record are 55AAH, if not the two bytes, then Give a hint to “Missing operation system”.

Method one, under normal circumstances, you can use NDD to repair. Use the boot disk to enter the dos toolbox, run DISKFIX, there is a reservation to keep, there is OK, press OK, restart, OK

Method 2, use the xp installation CD to enter the recovery console, fix with fixmbr, fixboot command

2. It may be that the computer's BIOS does not properly manage or support the capacity of the hard disk on which you are installing Windows XP.

Method one, check the BIOS settings

Method 2, make sure that the computer is using the latest BIOS version.

3, may also be caused by the data can not be transmitted correctly.

Solution:

1. Change the data cable or hard drive and try again.

2, If the Error loading operating system prompts: Error loading the operating system This is the boot area is not activated, you need to use the tool to activate, PQ.SFDISK can.

The above is the solution for the error loading operating system of the computer boot introduced by Xiaobian. If you encounter this situation, you can follow the above steps, after the operation is completed, there will be no more errors.