Question about Sony VAIO VGN-A790 Notebook
The overheating problem is the primary source of all the complications you are seeing. The reduced clock speed may mean that the processor is already hit. However I suggest that you open the back cover of the laptop and clean the heatsink(A copper wire that goes from processor to infront of the coolant fan. Make sure that nothing is preventing the airflow from the fan to heatsink. This page might help you with the dis-assembly
Posted on Aug 24, 2010
No, the speed is normal, since the data speed (2GHz) is equal to the effective clock (688MHz) multiplied by the data rate (4).
The video problems are caused by the heat - memory corruption. Check the cooler and the fan of the processor for dust (clean the inside fully) and make sure in Task Manager that no process is eating power unnecessary, slowing the pc down.
Posted on Aug 23, 2010
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Posted on Jan 02, 2017
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