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The Aero Peek feature in Windows 7 reveals your desktop background when highlighted, but this can be confusing for some people
Q I have a new Dell Inspiron laptop running Windows 7, which has worked perfectly until recently. However, occasionally my screen goes blue with no warning sign or notice of failure. It returns to normal after a few seconds, and immediately if I move my mouse. My work is unaffected and I can continue as normal. There was no screensaver set when this happened. Any idea why my screen should turn blue like this?
Keddie Law
A Windows 7 introduced a remodelled Taskbar. At the far right-hand side of this is a small bar that is used to invoke a feature called Aero Peek. Hover the mouse pointer over this bar for just a moment and all visible windows become transparent to show the Windows Desktop behind. Move the mouse away from this bar and everything will reappear. If your Windows Desktop is coloured blue then this, coupled with an inadvertent mouse movement, may be the cause of your annoyance.
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