Acer X233H User Manual

Also see for X233H: Service guide Service guide

Contents

Acer X233H User Manual Manual pdf 20 page image

X233HEN- 19TROUBLESHOOTINGBefore sending your LCD monitor for servicing, please check the troubleshooting list below to see if you canself-diagnose the problem.(VGA Mode)Problems Current Status RemedyNo PictureLED ON  Using OSD, adjust brightness and contrast to maximum orreset to their default settings.LED OFF Check the power switch. Check if AC power cord is properly connected to themonitor.LED displays ambercolor Check if video signal cable is properly connected at theback of monitor. Check if the power of computer system is ON.Abnormal PictureUnstable Picture Check if the specification of graphics adapter and monitor isin compliance which may be causing the input signalfrequency mismatch.Display is missing,center shift, or too smallor too large in displaysize Using OSD, adjust RESOLUTION, CLOCK,CLOCK-PHASE, H-POSITION and VPOSITION withnon-standard signals. Using OSD, in case of missing full-screen image, pleaseselect other resolution or other vertical refresh timing. Wait for a few seconds after adjusting the size of the imagebefore changing or disconnecting the signal cable orpowering OFF the monitor.(DVI Mode)Problems Current Status RemedyNo PictureLED ON  Using OSD, adjust brightness and contrast to maximum orreset to their default settings.LED OFF Check the power switch. Check if AC power cord is properly connected to themonitor.LED displays ambercolor Check if video signal cable is properly connected at theback of monitor. Check if the power of computer system is ON.

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