I am typing away on my trusty Toshiba A110, running Windows XP, which has, until yesterday, been fairly predictable and reliable.
It has, whether by itself, or because I hit some key accidentally (or committed some other fault), developed an irritating quirk. The screen goes black. It doesn't do it when I am working - just when I leave it for some time.
Before yesterday, if I left the computer for a few minutes, the screen would go also black - but as soon as I wiggled the mouse the screen would come back to life. (If it was left long enough, it would go into standby.) However, now when the screen goes black, wiggling the mouse has no effect, and nor (as far as I can see) does anything else. I can faintly see the screen, with the various windows, though there appears to be no cursor. Rebooting seems to be the only way to get the machine back to work.
What am I doing wrong - or has the laptop developed a fault?
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