Samsung SyncMaster 204T User Manual page 5

Do not place the monitor face down.
Installing a wall bracket must be done by a qualified professional.
When installing the product, make sure to keep it away from the wall
(more than 10cm/4inch ) for ventilation purposes.
Clean
When cleaning the monitor case or the surface of the TFT-LCD screen, wipe with
a slightly moistened, soft fabric.
Do not spray water or detergent directly on the monitor.
Use the recommended detergent with a smooth cloth.
If the connector between the plug and the pin is dusty or dirty, clean it
properly with a dry cloth.
Make sure to unplug the power cord before cleaning the product.
The TFT-LCD surface may be damaged.
Installation by unqualified personnel may result in injury.
Always use the mounting device specified in the owner's manual.
Poor ventilation may cause an increase in the internal temperature of
the product, resulting in a shortened component life and degraded
performance.
This may cause damage, electric shock or fire.
A dirty connector may cause an electric shock or fire.
Otherwise, this may cause electric shock or fire.