Why does the computer spend the screen

Q: My computer has the Windows XP operating system installed, when the computer is awake after the sleep state, the monitor often appears flower screen phenomenon or does not display any content. How does the computer flower screen do what cause?

A: If the monitor can be properly identified by the system, it is likely to be a video card or power problem. First, there may be a problem with the graphics driver, please download and install the latest video card driver to the manufacturer's official website or the hardware-driven site; In addition, the power supply is insufficient or unstable output will cause the above fault, some inferior power or old model of power supply is not enough, will cause the AGP video card power shortage, and Windows XP's reboot is completely dependent on the ACPI features of the motherboard, so the power supply may have some impact and can be replaced with a good power supply to try.