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Screen goes black after a few seconds. You can close lid and then it come on then goes black again. If I am in High light I can see that the screen is still on but it is just really dark. I have turn the brightness up as much as possible
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Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.
To fix this black screen problem, change the inverter board (based on your monitor brand). Source(s): http://lcdmonitorrepair.annics.com
Sounds like a short in the inverter. Remove the bezel around the screen the long thing on the bottom is the inverter if there is a foil heat shelid close by cut some of it away from the inverter
Micro switch is fine as its been tested so only reason that can be, lamp cover lid is not pressing that micro switch properly/ securely. Please recheck lamp cover and make sure it is seated well on its location.
goto control panel click on DISPLAY then screensave then POWER SETTINGS and on the left side there is a section called what to do when i close my lid click on that and for lid settings click on do nothing so after u close ur lid it wont disable ur screen
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Sounds like a bad solder joint on the printed circuit board. Once it heats up then it no longer makes good contact and the monitor goes black until it cools down and makes contact again. You could resolder it if you knew where it was but monitors are dangerous to go playing around with as they can hold very high charges of electricity in their capacitors that are very dangerous. It's a throw away world. Go buy a new one.
Or.. Check to See if the Lid Switch is Stuck Down... Some laptops have alittle Movable plastic pin that depresses when the lid is closed to turn the screen off... this can sometimes get stuck down to the board button.. causing the symptoms youre experiencing
This is most probably cause by one or more Faulty Electrolytic Capacitors, I find these are the MOST commonest form of "Fault" in these LCD's TFT's units. I ususally simply replace "On Spec" all High Value Electros, in fact ALL Electro's are suspect and often I just "Shotgun" and replace 'em all. Usually fixes all problems. Always use High Temperature Caps.
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