My monitor recently found many black spots, there are more than a dozen DELL used, just after a year, how to do? 19 wide screen can change? How long is the warranty?
Try the following steps to confirm the type of the black spot:1) restore the display to factory settings (via the OSD menu on the display)2) check that the video cable is plugged inIf the black spot disappears after the operation of the above step, the black spot is proved to be the fault shown by the monitor; it has been repaired; if not disappeared, continue the following steps.3) set the desktop to full white to make sure the macula is still there4) reinstall or update the video card driver to the latest versionIf the black spot disappears after the operation of the above step, it is proved that the black spot is caused by a system or a video card drive; if not disappeared, the hardware of the display is found to be faulty and should be repaired.
You mean you should have no black spots when you bought it, right?! Now it's been a year, and there's a black spot. That's hard to say. Should be DELL display before leaving the factory to do burn-in testing and display screen detection is very strict. Black is because the ITO circuit panel are damaged, is generally used for laser machine highlights scotoma or change point is dark. First clean the screen will display your proposal, with monitor testing tool for display screen, confirm the problem. Vendors can be replaced.
Black spots are more, that is, the monitor is the problem, and the 12 is normal,Find the ones that sell to you
