I boot, sometimes can not open

I boot, sometimes can not be opened, the screen will have a line under the “Boot from CD” in English, how it is going

Start of the first option is to start CD-ROM

Bios, to look like you set up the drive, start by DEI to enter BIOS settings from your computer hard drive also self-start ( Black for the white screen at the same time in the upper right corner of the screen also shows an icon) appears at the bottom by DEL to enter SETUP button on the keyboard when holding down the “Del” key, can enter the “CMOS Setup Utility” interface, you can also boot After constantly according to the DEL key to enter the BIOS settings.
Use of the cursor keys to choose “Advanced BIOS Features” (the second is down), knocking on the enter key to enter the set and down arrow keys to select the “First Boot Device “, according to the carriage return, with the arrow keys to select HDD-0, in the press to enter, can also use the” Page Up “or” Page Down “of the two key amendments to it for the HDD-O, that is, if you CD-ROM to start even read “CDROM”, but if used should be revised to boot floppy “Floppy”; key and press the F10 strike the enter key save from the BIOS settings to set.This will default from the hard disk to start the first start of A.BOOT FROM CD is that you set priorities drive from the start, and you can not drive, and guide things, it does not start up, the simple and hard, I would say to you, it is easy to resolve, In the boot hard drive detection of the section is still in the upper right corner of your stars, there will be a row of the following tips, based on what SETUP into the DEL, this time pressing the DEL, entered into the system BIOS settings inside, if that is commonly used board In the second, is the high-level BIOS settings, this machine can be set up to start the priority, go after to find FRIST …translated into Chinese as “the first”, has told the back of the second and third , Where the “first” set to HDD (hard disk to start priority) can be a good luck
it! Boot press “Del” key (in the boot when holding down the key), you can enter CMOS settings interface.
Use the arrow keys to move the cursor to the second option, enter into the knock and set the direction of the cursor keys to move the “First Boot Device”, then “Page Up” or ” Page Down “of the two key amendments to it for the HDD-O (ie:0, hard drive), and press the F10 key and enter key save to set out from the BIOS settings after.This will default from the hard disk to start the system.