Question about HP Compaq FP 7317 17" Flat Panel LCD Monitor
Dear Thunderforce -
I've run across this issue quite a few times with LCDs, and generally there are two possible causes: Either the Power Supply is bad(best case), or the LCD's Inverter is bad(worst case). Most LCDs now use a standard computer/monitor power supply - usually a thick cable, with three prongs on the male end and three slots or holes on the female end, same as would be used to give power to the computer. If you have an extra cable, you should try testing it with the LCD. If the screen works, fantastic, chalk it up to a broken power supply.
Otherwise, you'ld have to open up the display to replace the Inverter board. The LCD will have three or more circuit boards in its casing; One that handles input, one that handles power, ocasionally a separate board for video logic, and a slim board that connects the other PCBs to the screen itself. This slim board is the Inverter, and will have to be replaced.
The issue at this point is cost of repair vs. cost of replacement. An LCD inverter can cost anywhere from 40-140 bucks(on average) even on Ebay. Most big-name computer stores offer a comparable LCD for around the same price after rebates, or on sale. Second hand, I've even seen a few 17" LCDs for as low as fifty bucks.
Hope this helps!
Posted on Jun 11, 2008
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Posted on Jan 02, 2017
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