I have exact same problem. Press the power button with my dv8309, blue light comes on for few seconds and then goes off. the screen may or may not light up during those few seconds. Same with battery only, main only without battery in or with battery in. I have been told it is bad mother board. But I have doubts about that diagnosis. Here is why:
I accidentally stumbled upon the following. Plug in an external monitor. The little pin on the left side just in front of the screen just above the power on swith (it may be different on your monitor), hold it down (it turns the screen off). I put a small weight on it to keep it down. then turn the computer on.
the computer works fine on the external monitor.. No problems what so ever. But as soon as i release the pin swith. the computer goes off. So, i think the problem has to be with the screen, turning the screen somehow shuts the whole system.
If you find a solution, please drop me a line at the email address email@example.com. Thanks.
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The problem might be the battery. Please charge it full. If the battery is fully charged and still it won`t boot up, try this methods.
1. Remove battery, wait for a few seconds,
2. Reinsert battery.
3. Press and hold the VOLUME DOWNbutton,
4. Then press and hold the POWERbutton
5. Then release the POWER and VOLUME DOWN buttons
6. Press VOLUME DOWN to selectFACTORY RESET, and then press thePOWER button
You can also use master reset. Hold down power button together with volume up or down button until you will see a screen in blue color with the logo>navigate and select wipe data/factory reset using your volume keys. Wait until your phone is completely rebooted.
Detached the SIM card to avoid contact deletion., likewise the SD card for file.
The Wii must be searching for remotes before one will connect. If you are trying to connect controller #1 (meaning there are none connected) and it fails, there may be a problem with your Wii.
First, remove power from the Wii by unplugging it. Wait 30 seconds and then plug it back in. Once powered on and you see the health/safety information press and hold the red SYNC button on your Wii for 20 seconds.
Now press the Sync button on the controller and while the blue lights are flashing, press the Sync button on the Wii.
Hopefully, that will connect the controller! If it does not, you may need to contact Nintendo!
it sounds like a virus or error on the mainframe
although it could be your battery
try taking your battery out and then plugging it into the mains. then turn it on without the battery in but still plugged in to the mains
there may be sumthing wrong with ur batter
The inverter inside the lcd panel is most likely your problem. Try removing the whole lcd screen from the laptop if you are capable and run it with the external screen to confirm. leave the lcd switch off (this lcd switch above the power button turns the lcd inverter on and off)
Try removing the battery and using only power cord to turn the laptop on. If that fails, try turning it on without power cord, just on battery.
If none of those work, then most probable cause of your problem is motherboard. Hopefuly you are either under manufacturer warranty or you have extended warranty with your vendor where you've purchased the laptop.
If your laptop turns on on power cord, but without battery, then battery is the problem. Also, if laptop turns on when it's only on battery but it doesn't when you plug ac cord in it, then the adapter is the problem.
1. Hold [menu] and [vol-] button on the side of the TV
2. while holding these, press the [power] button on the side of TV (NOT remote)
3. blue light comes ON and stays ON
4. wait 10 seconds then let go of [menu] and [vol-]
5. wait another 30 seconds and some type of picture should appear
I think this is right. I got it from the JVC call centers guys so sorry if I missed or messed up a step.
Open the front flap on the wii, hold down the red button there for about 3 seconds then take the battery cover off the wii remote & press the red button there too for a few seconds. then press A on wii remote, that should work for you