My iphoneshows on screen a green poison logo. can not open, can not charge the battery and can not reset even i pressed simulteniously or same time the switch button and the home button

Don't know if this will help but it might be worth trying, especially if you just did a software update. I have a 520 and it gets frequent software updates. After an update it ends up just showing the Garmin screen and seems to be bricked because nothing else works - even the off button doesn't work. The solution is to just let it sit showing the Garmin screen for five or ten minutes so it can process and load the new software which seems to take a long time. It eventually opens onto the main screen.

Specify the model and the make

Step 1:
Like all electronic devices, iPods sometimes freeze and become unresponsive. Sometimes iPods lock up when they're dropped on the ground or come in contact with water, but less destructive accidents may also cause them to stop working. All versions of the iPod have a way to reset their hardware should they stop playing music or refuse to turn off.

Check the "Hold" switch on the top case of your iPod to be sure it isn't activated. An iPod will appear frozen and unresponsive if this feature is activated. A lock symbol will appear on your iPod's screen if it is in Hold mode. Switch the "Hold" button on and off once. Place one finger on the "Menu" button and another on the center button. Press both buttons at the same time and hold them for up to 8 seconds. Release the "Menu" and center buttons once the Apple logo appears on your iPod's screen. Try releasing the buttons and pressing and holding them a second time if the logo does not appear, as it can sometimes take several tries to reset a severely frozen iPod. Press and hold the top button and the center "Home" button on a frozen and unresponsive iPod touch to reset it. Hold the buttons for at least 10 seconds and wait for the Apple logo to appear on the screen, then release the buttons. Connect your iPod to its powerblock or a computer if it is still frozen. Wait 5 minutes and then try to reset it. Sometimes an iPod can appear frozen when its battery runs out and just needs a few minutes of power to start working again.

Try to reset it. Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until either the Apple logo or battery symbol appears. If the battery symbol appears, continue to charge iPod touch until it is fully charged.

If this doesn't work, try restoring the iPod from within itunes.

My guess is that the battery is worn-out -- no longer accepting a charge, nor holding a charge. Replace the battery, or find a specialty business that "refurbishes" batteries (by opening the case, replacing the cells, and re-sealing the case).

I has the same problem with a streetpilot 540.. It wouldn't turn on, even once charged. There was no reset button under the serial number. However, prise off the grey plastic square plate on the front panel which goes around the screen. ( there's even a little space for your fingernail under the Garmin logo). The reset button is under that plate. Press that with a screwdriver then turn on. My unit turned on once reset.

Do a reset. You will lose all items on you device.
Take battery out. Put it in and hold the power button on till you see the palm logo the second time. Release when you see the 2nd logo. It will prompt you for pressing up to delete and reset. Press Up. It will take some time to reset and reformat but please wait. 
After that your phone should come to the setup screen. I would hotsync after you setup to get your contacts  back.

after installing the new lamp, hold the volume top & bottom key simulteniously, when green light indicate at panel start the projector & go to service there you may found reset lamp ? press yes the lamp will reset.

i had this problem recently when charging on the DVR docking station, i switched it off, took the battery off, left it for a shirt time then pressed the reset, it took a few attempts but eventually it restarted 

If you enter recovery mode then connect to a computer, you can then use windows drive checker to verify the drive. If all is OK, copy firmware to the root then disconnect and reboot