I am using dell latitude model no. E6400 and from certain days I am having problem with mouse cursor. When I am doing work on my laptop, suddenly my mouse cursor disappeared and after trying lots of things, I restarted my laptop. Then it worked well, but again sometimes my cursor jumps over the screen unexpectedly. Then I connected external mouse to laptop, but same problem continues. I have updated my drivers by downloading the needed drivers from dell website, but still not able to get rid out of this. Does anyone know the exact cause for this problem?
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