The reason why the Win7 system can not be turned on after reinstalling and the solution summary

When we use the computer, when some problems cannot be solved, many people choose to reinstall the system directly. Because the pure version of the system is pure and has no plug-ins, many people will choose to install the win7 pure version system. Although reinstalling the system is a good solution, there are still some problems after reinstalling. For example, if a user finds that the computer cannot be turned on after reinstalling the win7 system, what should I do? Let's share with you the solution that Win7 pure system can't boot after reinstalling. 1. The motherboard has a fault. The main problem is that the hard disk controller on the motherboard has a problem, causing the data transmission to be unstable and the error rate to be too high, which will result in the failure to boot. Solution: You can consult the motherboard manual for CMOS jumper information and clear CMOS, but here you should pay attention to: When clearing the CMOS settings, you must unplug the host power cord or set the host power switch to off or 0. 2. When the hardware configuration of the host changes due to hardware replacement or change, the POST function will be used after the system is restarted after the system is reinstalled, but the system will not recognize the newly added hardware, or it will start according to the old configuration, so it will A failure has occurred that cannot be started normally. (It may also be that the newly added hardware is not compatible.) Solution: Restore the state before the hardware change and check if the system can start normally. 3. Data in the main boot area is corrupted When the contents of the main boot area are corrupted by viruses or tampered with by other programs, the crash will not start. Solution: For the boot program of the main boot area of ​​the hard disk is destroyed, we can use the Fdisk/MBR command to repair, or use the disk editing function of KV3000 to find out whether the other 62 sectors on the 0-side 0 side have the backup main boot area. Program, restore it to 0 0 0 area 0. 4, BIOS setting error When the BIOS setting error, the hard disk mode setting is wrong, the memory read and write parameter settings have errors, etc. will cause the failure to start the boot normally. Solution: You can try to reconfigure the “PNP/PCI configuration” and “Reset Configuration Data” in the BIOS. The option settings are “YES” and “YES”. You can also set the BIOS option of “Force Update ESCD” to “ld”; Enabled”, you can try these two settings, then save and exit, and then try to see if it can start normally. The reason and solution for not being able to boot after reinstalling Win7 pure system is shared with you. If you find the problem after reinstalling the system, you can eliminate it by several reasons, and then prescribe the right medicine. I will solve it and hope to help you.