You need to rest the PC video resolution back to the native resolution of this monitor.
Resolution adjustment: From Microsoft: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/display_change_screen_resolution.mspx?mfr=true
and here: http://www.helpwithpcs.com/tipsandtricks/changing-screen-resolution-win-xp.htm
and here: http://www.videojug.com/film/how-to-change-screen-resolution-in-windows-xp-and-windoiws-7
Answers & Comments
You need to rest the PC video resolution back to the native resolution of this monitor.
Resolution adjustment:
From Microsoft: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/display_change_screen_resolution.mspx?mfr=true
and here:
http://www.helpwithpcs.com/tipsandtricks/changing-screen-resolution-win-xp.htm
and here:
http://www.videojug.com/film/how-to-change-screen-resolution-in-windows-xp-and-windoiws-7
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://en.wikipedia.org/wiki/Capacitor_plague