Reasons and methods of computer not starting properly

Computer is a necessary object for everyone, with the continuous improvement of living standards, and now more and more people use computers, but the computer failure and maintenance problems have become more and more, the following is the computer maintenance experts for everyone to share the computer can not normally start the cause and processing steps, I hope you have some inspiration!

Why the computer does not start properly

1, the system allocation file is missing will also cause the boot not up.

2, the memory in the CMOS system has been changed, and the actual hardware type parameters inconsistent and caused by the start-up.

3, the system files were modified by the virus or mistakenly deleted will also cause the start up.

4, the boot sequence of the CMOS system is completely blocked, resulting in the boot not up.

Processing steps for computer not to start normally

First, the memory of the COMs system has been changed, but also the boot into the CMOS page, the choice is: standardized COMs features (standard COMs settings) in the IDE primary/secondary Master/slave (First/two IDE master/ From the controller) on the items here you can hit enter to let the system automatically detect the memory.

Second, if the system allocation file is lost, you can write it yourself, or save an empty file. Press the F8 key to enter the system menu after booting. Select the fifth or sixth key to enter Scanreg/restore carriage return. Then choose any one of the carriage return, and finally a prompt such as: Restorerr button indicates success, such as the OK button indicates a failure to enter the computer again until the prompt to restart. Then write a Config.sys file such as edit Config.sys enter, the content is Device=c:windowshimem.sys/testmem:off carriage return Dos=high alt+f+x return to save.

Third, the system files if the virus is modified or deleted by mistake can be first antivirus and then use the boot floppy disk or boot CD Boot system to a:.> and then input sys c: (Transfer system files). Finally, restart the computer.

Four, for the boot sequence is blocked can be resolved, after powering on the DEL key to enter the CMOS settings. Select the second item on the main page, i.e. advanced BIOS features (high-level BIOS feature setting). In the advanced BIOS features setting, select the first boot device (primary boot unit) can be set to hdd-0 (this can be set according to your specific needs).