OK, you have a UltraSharp Dell Monitor.
If the unit powers up and the image on the screen flashes on and off, you have had a power surge and the main power board will need to have most of the Caps. replaced or it may be better to have the entire board replaced.
The power board repair is not a hard job but finding the wright person to do it, may be harder than having it replaced.
Should be about 5 caps. will need to be removed and replaced.
One hour in labor $35.00 USD and maybe $5.00 in parts.
Or you can order the board on Ebay for about $35-40.00. and 1 hour to replace and re-assemble.
If the unit is under warr. Don't give them information, they will give you a RMA and make arrangements to have it shipped to them for repair. If you say Power Surge, they won't warranty.
Good luck.
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Is this during use? Also have you checked the power and video connections?
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