a failing gamer :
What do you mean by flashing the bios?
He means he updated the bios to the latest version.
The bios is the microcode that allows the CPU/mobo/ram to work together on a hardware level before the system boots to the operating system.
To upgrade the bios, download the latest version from your motherboard manufacturer for your mobo. Put the image onto a usb key, and plug it in. Then enter the bios after you have rebooted your PC. This is normally done by pressing F2 or Del keys or another key (this will be displayed on screen in front of you as your PC boots up). Once you get into the bios look for the bios update utility, sometime's called EZflash, and run it by selecting the new bios image you have downloaded to the USB key. Make sure you do not interrupt the flash process and let it complete before you do anything. Once it's done it should prompt you to restart, then just follow the onscreen instructions.