Sony PCG-K23 - VAIO - Mobile Pentium 4 2.8 GHz, User Manual

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Handling the LCD Screen
 Direct sunlight can damage the LCD. Be careful when using the computer near a window.
 Do not scratch the LCD or exert pressure on it. This can cause a malfunction.

Using the computer in low temperature conditions may produce a residual image on the screen. This is not a
malfunction. When the computer returns to normal temperature, the screen returns to normal.

The screen becomes warm during operation. This is normal and does not indicate a malfunction.
 The LCD is manufactured using high-precision technology. You may, however, see tiny black points and/or bright
points (red, blue, or green) that continuously appear on the LCD. This is a normal result of the manufacturing
process and does not indicate a malfunction.
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