Samsung SyncMaster 920BM Owner's Manual page 6

a slightly moistened, soft fabric.
Do not spray water or detergent directly onto 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 using a dry cloth.
Make sure to unplug the power cord before cleaning the product.
Unplug the power cord from the power outlet and wipe the product using
a soft, dry cloth.
Contact
interior cleaning once a year.
Others
Do not remove the cover (or back).
If your monitor does not operate normally - in particular, if there is any
This may cause damage, electric shock or fire.
A dirty connector may cause electric shock or fire.
Otherwise, this may cause electric shock or fire.
Do not use any chemicals such as wax, benzene, alcohol, thinners,
insecticide, air freshener, lubricant or detergent.
the SAMSUNG customer care center
Keep the product's interior clean. Dust which has accumulated in the
interior over an extended period of time may cause a malfunction or fire.
This may cause electric shock or fire.
Refer to a qualified servicing company.
or Customer Center for