computer turns on but not boot

Q: My computer recently turned on the following error message: Em Disk. Disk I/O error. Replace the Disk,and then press any key. Press ENTER to display the boot Failure,reboot and Select proper boot device or Insert boot Media in Selected boot device. and cannot

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 se

Computer boot black screen usually appears in the aging computer, the traditional cause of computer boot black screen is often, but some careful users will find that the computer in the process of black screen, accompanied by the

after pressing the computer power key, the computer does not start, no post or enter the operating system phenomenon, often users can not process and affect normal use. Here we have a simple analysis of common fault phenomena, analysis and solutions, hoping to be helpful to users who have encountered such problems. no reflection after pressing power keymalfunction Phenomenon: After

Some people will be turned on when the boot is not successful, need to reboot and other ways to complete the boot process, so more trouble, the following is summed up a number of possible reasons for this failure, I hope to help. First, if it is a newly-purchased machine Some people are new to buy a few days of the machine, because the start DIY when busy testing machine performance scores, installed oper

The cause of the boot failure may be caused by power problems, motherboard power switch problems, motherboard power-on circuit problems, and so on. We need to rule out the cause of the search.The computer does not boot up the breakdown repair as follows:1. Check the computer's external power supply (strip, etc.), to determine that no problem, open the host chassi

Want to let the computer to automatically boot, how to set up? A: There is a real-time clock (real time CLOCK,RTC) on the motherboard that is responsible for the timing of the system, and we can specify the power-on time through the RTC, just like the alarm clock. However, since this feature is rarely used, some of the motherboards that provide this feature (such as Intel's original motherboard) do not act

1. The battery on the motherboard is out of power. Two. Motherboard battery is not enough or damaged, the motherboard battery is used to ensure the motherboard BIOS power supply when the computer loses power, thus saving the user's BIOS setup information, if the motherboard battery is low or damaged the system will definitely prompt alert! System battery voltage is low (battery power) requires you to resolve or prompt the "CMOS battery failed" (batte

A master boot Record MBR loss will cause the Win7 flagship system to fail to boot, the master boot Record (MBR) is used to detect the correctness of the hard disk partition and to determine the active partition, which is written to the sector by the partition software (such as FDISK) when it is partitioned, so the MBR does not belong to any Unlike the operating s

Many people are not very familiar with the boot and startup system services, and most people say that my computer boot I did not move, will start something ah, and I did not see AH. 1 System Startup entry: System Startup items are usually the startup items of some software, such as QQ, PPTV, 360 security guards, these startup items can basically let us see whe

The reason that the computer does not boot normally is due to abnormal operation, sometimes we can check and solve the problem by ourselves, the following small series for everyone to introduce the reasons for the computer can not boot and solutions. 1, the computer