Monitor is shifted 2 in. to the left

I have a samsung sms23a350h monitor and I got it second hand and it is shifted 2 in. to the left. it constantly distracts me and I hope someone can help. thanks.
 
Try resting the setting in the OSD: On Screen Display.

Press one of the buttons on the monitor. OSD guide will appear on the screen. Go to SETUP&RESET
 
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