Went to charge kobo and the screen went blank and now it wont charge or turn on. The green light keeps flashing, if I hold it the light goes blue and then turns off. Push the on off button again and the green and blue light flash then the green light starts flashing again but no results. The screen remains blank.
Try this, it worked for me
Turn off phone
Remove battery
Wait 10 seconds
Plug in charger
Insert battery
Turn on phone
SOURCE: lcd sharp tv flashing green light
Try unplugging the unit and while unit is unplugged hold the volume up button and channel down buttons down and while depressing both buttons plug the unit in. Let go of the buttons and the unit should come on in the service mode. There will be a small k on the screen. With the sharp remote press the channel up button once. This should bring up a menu that will show a lamp error line. If the lamp error is = to 5 the unit is in lamp error shut down. User channel down to highlight that line and curser right arrow to highlight the lamp error #. Hit the enter button to clear the lamp errors. Now unplug the unit and let it sit for a minute and plug back in. I hope this corrects the problem. If the unit does not come on by doing this or if it does and you do not find lamp errors the power supply pcb may have been damaged by the surge.
SOURCE: Blank Screen & flashing button
It is one of three things, One is that it's not recieving a signal, mine flash when the computer is shut down, several monitors do this now. The second is that the either the video card is in need of service, or if you don't have a video card in your machine, it is either a connection that is intermittent, check the other end of the cable, or the monitor is in need of service, there is a circuit board that gives it a boost on start up. How old is the monitor and what brand? all the info is needed to go any further, thanks, if it is 5 years old more or less it is the monitor gone bad, more than likely
SOURCE: 5 red flashs on power/standby light on kdsr60xbr1 screen blank,
Thats the error for lamp driver error. Which means the Ballast is most likely defective. You can get the replacement ballast for your model at the following link which comes with installation instructions.
http://servicemanuals.vstore.ca/product_info.php/pName/kdfe42a10-ballast-assembly/cName/sony-parts
SOURCE: blank screen, flashing green light
Internal power supply is hurting. It is a non linear supply and they switcher transisters are not working
SOURCE: LG 26LG30 screen suddently went blank. Light flashing blue/red
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.
I am using this great LCD for about an year. But few times in the past my LCD didnt show up the display though the Green light was still ON, turning off the LCD and opening it again always solved the problem. But now My LCD completely went blank. Turning off/on didnt work at all now. I've tried couple of other tweaks mentioned on this site but they didnt work. I am just seeing a blank screen with green light ON. and ya theres a very low hissing sound coming from the LCD.
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