20 Most Recent HP PL5060N 50 in. Plasma HDTV - Page 5 Questions & Answers

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. https://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size. Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. See the site by a desktop. Mobile view has no search box. If you are viewing it by your mobile, see it in webview./

The first thing to do is go into the device manager and delete the drivers for the display and let windows reinstall them. It may be a bad or out of date driver. So when you restart the computer it will put the driver back. Since you did not post the operating system, there is not a lot more I can tell you. If this does not help, you can try an external monitor to see if the problem is present there. If it is then it may be a display chipset issue.

What is a grlyb-0311 ??

you cannot connect them an all in one computer does not support a separate monitor

If those bars are vertical are going up and down and not horizontal that means the lower circuit board that connect to the plasma panel are bad most likely this is an LG TV but this is not something that can be fixed you can take it apart while at least an hour after it's unplugged before you can touch ID cards along the long circuit board see if there's any connection connection connection that you can disconnect and reconnect and very carefully clean up possibly this could be the problem but usually when you have that type of line which is a vertical line you have a bad panel and that's not good and I'm betting this is an LG TV

try a laser disc cleaner. https://www.ebay.co.uk/i/162805447175?chn=ps&adgroupid=52097426788&rlsatarget=pla-445083143997&abcId=1058846&adtype=pla&merchantid=115136089&poi=&googleloc=9046354&device=c&campaignid=863276125&crdt=0

you mean tv turns off ? if so probably power suppy. ebay your model number and you will see board price. youtube model number and there maybe instructional to help you replace diy

It could be as simple as a fuse

The power unit it dying.