I have had hp compaq dx2300 microtower set of mainboard and case running windows xp for a year now. The problem is the CPU fan spins when turned on but after 10 seconds the monitor is turned off, leaving the fan to spin slowly. It uses the old BIOS, it has a light grey background, not the whole blue screen. I checked everything I could but it still did not work. Here is the unstable output from the internal graphic. I could buy another mainboard to work with but this has an internal speaker, which is unique. Can I still save it?
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