Ultra DMA Mode-4

Hi My name Is Andy
I’ve just recently moved over to Florida from England, and brought two computers with me, I’ve changed the power supply In both, and both worked fine, but after a week one started displying low resalotion graphics and the mouse only works In safe made, I’ve also noticed when the computer boots up every time It shows this line In the BIOS:

Ultra DMA Mode-4 S.M.A.R.T. capable but disabled

Could this be the problem and If so can I fix It, or Is It some hardware thats past It’s sell by date.


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