Why do you press F2 before the computer is booted?

To start pressing F1 or F2 to enter the system and the reason for the solution:

Press F1 When you boot This is caused by the BIOS setup error, which is usually caused by the following situations.

1, no floppy drive but the floppy drive is enabled, you can disable the floppy drive.

Boot press del into BIOS, select: STANDARD CMOS FEATURES

DRIVE A: Set to None

DRIVE B: Set to None

Press F10 to save and enter "Y" to return.

2, memory problems or the CPU frequency has been changed, replace the memory, restore the BIOS default value can be.

3, the original hung two hard disk, in the BIOS set into a dual hard drive, and then took off one of the time but forgot to change the BIOS settings, it will also appear this problem.

Just restore the BIOS default value.

4, if the above setup is invalid, may be COMS battery without electricity, open the host, pull down button-type COMS battery, replace the new battery can.

5, restore the BIOS default value method:

Boot or restart the computer to hold down the DEL key, into the BIOS;

Find the Load fail-safe Defaults, press the direction key to select the return, prompt is OK, press Y, enter. Finally select Save&exit Step (Save Settings), directly press F10 can also be, press Y return automatically reset, the setting takes effect.

There are also some reasons for the failure to occur, the solution is as follows:

First, the hard disk is connected by the IDE line, must be connected to the two ends of the line (one end of the hard drive, and the other end of the motherboard), started no problem, if the CMOS, the floppy drive disabled, the problem will still appear, at this time only the floppy disk opening, the computer is all normal.

Second, in addition, change the data line try.

Third, enter the BIOS to see if the hard drive is above the main, if not, please check the hard drive jumper and hard disk connecting the motherboard's data cable location. Make sure the hard drive is on the main IDE.

If you share an IDE line with the optical drive, check that the jumper on the hard drive is set to master and that the optical drive is set to slave.

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