HP (Hewlett-Packard) v50 ユーザーズマニュアル

If any of the following conditions occur, unplug the 
display and contact a qualified service technician: 

♦  The power cord or plug is frayed or damaged. 

♦  You have spilled liquid into the display. 

♦  The display has been exposed to rain or water. 

♦  The display does not operate correctly when the 

operating instructions are followed. 

♦  The display has been dropped, or the cabinet  has 

been damaged. 

♦  The performance of the display changes abruptly.