My son had awful problems when on-line with the cursor, jumping pages etc. Did all the AntiVirus, Malware checks, checked and cleaned registry. Found one bit of Malware and deleted it. Still no change. Eventually tracked it down to a Faulty key, the lower case i. Keyboard changed with a spare and all returned to normal after hours of running checks. Moral - Don't always assume virus problems when things go awry. Always try the obvious, could save time.
Yes - it reminds me of an MsDos evening class (well, it was the 80s!), where the tutor (certainly an expert) spent ages fiddling about with programming batch files etc, to fix a blank screen - until someone tried the brightness knob. 'Check the simple things first' is a good mantra, even if we all slip up sometimes!
Same as one of my friends who put some more RAM in his computer and after he put it back together it would not switch on. He spent hours trying to troubleshoot it then he phoned me and i suggested he check the fuse in the plug..... he had it working again in 5 minutes
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