Sharp PN-K322B Operation Manual

Also see for PN-K322B: Operation manual Operation manual Operation manual Operation manual Operation manual

33 ETroubleshootingIf you are experiencing any problem with your display, beforecalling for service, please review the following troubleshootingtips.There is no picture or sound.• Are the AC adapter and power cord properly connected?(See page 13.)• Is the main power switch off? (See page 15.)• Is the monitor in standby mode (power lamp is off)? (Seepage 15.)• Make sure correct input mode is selected. (See page 16.)• If any external equipment is connected, make sure theequipment is operating (playing back).Sound from left and right speakers is reversed.Sound is heard from only one side.• Are audio cables connected properly? (See page 12.)There is a picture but no sound.• Is the sound muted?• Make sure the volume is not set to minimum.• Are audio cables connected properly?• Is the setting of AUDIO SELECT on the SETUP menucorrect? (See page 23.)• Is the headphone (etc.) cable connected to the headphoneterminal?The sound crackles.• Turn down the volume.With some input devices, the sound may crackle at highvolume.Unstable video.• The signal may be incompatible.The video from the PC/AV HDMI input terminal does notappear properly.• Is the HDMI or HDMI DUAL setting correct in INPUTSELECT on the SETUP menu? (See page 23.)• Is the HDMI cable HDMI standard compliant? The monitorwill not work with cables that are not standard compliant.• Is the input signal compatible with this monitor? (See pages37 to 38.)The video from DisplayPort input terminal does notappear properly.• Is the cable a certified DisplayPort cable? Use the suppliedcable. The monitor will not work unless a standards-compliantcable is used.• Is the input signal compatible with this monitor? (See page37.)The video does not appear properly even after theDisplayPort STREAM setting is changed.• Try restarting the monitor and computer.• Is the video card MST (Multi Stream) compatible? If not, setto SST (Single Stream).The touch panel does not respond.• Is the USB cable connected properly? (See page 12.)• The touch panel may not work properly if the contact areais too large. (e.g. if the screen is touched with the palm ofyour hand.) Try to only contact the touch screen with thesupplied pen or your fingertip.• Is the monitor in pen-only mode? Touch action is disabledin pen-only mode. (See page 18.)• Is the monitor in finger-only mode? You cannot touch thescreen with the touch pen when in finger-only mode. (Seepage 18.)• When there is no signal input to the LCD monitor, actionson the touch panel are not possible. Please operate the PCusing the mouse and keyboard.• If you are using Windows XP or Windows Vista, didyou install the touch panel driver? (Touch Panel DriverOperation Manual)• Is TOUCH OUTPUT SETTING set correctly in the SETUPmenu? (See page 23.)• Touch operation is not possible when screen motionis enabled or when PbyP mode is set to ON. Set eachfunction to OFF.• When the computer is in sleep mode, wake-up by touchoperation may not be possible.To enable wake-up by touch operation, settings must beconfigured on the computer. For information on configuringthe settings, consult your dealer.• Are you trying to operate at a place on the screen that hasbeen continuously touched?In that case, remove your hand or touch pen from thescreen, and then try again.The response of the touch screen is slow.Some parts of the screen do not respond.• When starting your computer or connecting the USB cable,do not touch the touch panel.• When starting the LCD monitor, do not touch the screen.If the screen is touched, the monitor may not functioncorrectly. In this situation, turn off the LCD monitor power,wait 5 seconds or longer, and then turn the power on again.• While the touch mode icon is displayed, only touch actionsfor the icon can be performed. To perform other actions,first close the icon display.• There may be no response if the supplied touch pen isgripped in such a way that the tip is located near your palm.In this situation, grip the pen so the tip is further extendedfrom the base of your hand.Control buttons do not work.There is no picture.• Load noises from outside may be interfering with normaloperation. Turn off the power and turn it on after waiting atleast 5 seconds, and then check the operation.• When you display the screen or clear the screen, the leftand right screen display timing may be slightly off; however,this is not a problem.Power LED flashes red.“STATUS [xxxx]” appears in the corner of the screen.• Hardware has a problem. Turn off the monitor and requestrepair from your SHARP dealer.(When STATUS ALERT is set to OSD & LED. This variesdepending on the setting.)