Reinstall the win7 Ultimate system after the startup prompts the partition partition table solution

Cause analysis: Generally, the partition table in the hard disk master boot record has an error, when multiple bootstrap partitions are specified (only one can be When a partition is used or a virus occupies a partition table, such a failure occurs. The master boot record (MBR) is located at 0 head/0 cylinder/1 sector, which is generated when FDISK.EXE partitions the hard disk, and the MBR includes the master. Boot program, partition table and end flag 55AAH three parts, occupying a total of one sector, the main boot program contains the program code and error information, error handling and other content to check the hard disk partition table.

When the hard disk is booted, the main boot program will check the bootstrapping flag in the partition table. If a partition is a bootstrapping partition, there is a partition flag 80H, otherwise it is 00H, and the system stipulates that only one partition can be a bootstrapping partition, so if the partition table contains multiple bootstrap flags, the main boot program Will give an error message for “Invalid partion table".

Solution:

1. CD boot, you need to use the repair software, download the DiskGenius software to rebuild the partition table, first use a computer integrated with DiskGenius software. The system u disk is booted to DOS, and then the Genius software is started; (the ps system U disk needs to press the shortcut keys F11, F12, F1 “ different computer keys are different), etc. Select to boot from the U disk)

2, Rebuild Partition table, first use the [Alt+T] key combination to expand the "Tools" menu, then select the "Rebuild Partition Table" command, then press the [Enter] key to pop up "Determining Information" message box, press [Tab] key to select the “Continue” button, then press the [Enter] key to pop up “Press the “Select” button, press the [Tab] key to select the “Automatic” button and press the [Enter] key. The repair completion message box is displayed. Press [Enter] to confirm the operation.

3, Finally press the [Alt+D] key combination on the keyboard, expand the “Hard Disk” menu, select the “Save Disk” command, pop up the OK update message box, and press the [Tab] key. Select the “yes" button, then press [Enter] to save the file, and finally exit the Genius software, then pull out the u disk and reboot to enter the system.

ps: DiskGenius software now has software for Windows, so you don't have to boot to DOS when you back up the partition table.