I am not able to turn on my kindle after serveral hours of being plugged in to charge

If you use the charger that came with your kindle fire, you can rest knowing that it will not overcharge by leaving it plugged in too long. Usually 4 to 6 hours should fully charge it though.

try to reset the tablet.

Be sure you've left it on charge at least 12 hours while switched off. If still no success, it could be a bad battery or charger. Try emailing or being phoned back by Kindle support at <https://www.amazon.com/gp/help/customer/contact-us>

Her is a possible solution:
1. Plug into the original charger, hold the power down for a full 30 seconds, release. Let charge in this state for 12 hours.
2. Lease the device plugged into the charger, while you have the device plugged into power, press the power button for a full 40 seconds, release. Wait for 5 seconds and then press and release the power button. Did the device wake up? No, continue to step 3.
3. Plug the device into another charger, if you do not have an charger from another phone go to Staples or Radio Shack pick up a new Kindle or Universal charger, make sure you can return the charger.
4. Plug the Kindle into the new or alternate charger. Hold down the power button for 30 seconds release. Let charge for 12 full hours.
5. Unplug the Kindle from the charger.
6. Press the power button for 40 seconds - time it. Release the power button, wait for 5 seconds, then press and release the power button. The Kindle should wake up. If not, proceed to step 7.
7. If you can not wake up the Kindle from a 'hard reset' the Contact Amazon directly for a replacement.

The Kindle Fire will not turn on, correct? Let's try a hard reset.
Step 1: Unplug the device from the charger
Step 2: Press and hold the power button for 30 seconds
Step 3: Release the power button, then press and release the power button normally, the Kindle should wake up
Step 4: If the Kindle does not wake up, find an alternate charger or go down to Radio Shack or Staples and get a new charger
Step 5: Plug in the new Charger to the Kindle for 12 hours when done leave the Kindle plugged into the charger
Step 6: While the Kindle is plugged into the charger, press and hold the power button for 30 seconds. Let the Kindle charge for another hour.
Step 7: Pickup the Kindle, press and release the power button normally, the Kindle should now wake up.
Step 8: If the Kindle does not respond, contact Amazon for a replacememnt

Sounds like the software than manages the charging is frozen. Try these steps to fix the Kindle.
Step 1: Plug the Kindle into the charger
Step 2: Press and hold the power button for 30 seconds making sure the Kindle is OFF
Step 3: Let the Kindle charge in this state for 60 to 8 hours
Step 4: While the Kindle is Plugged into the charger, press and hold the power button for 30 seconds, then release the power button. Wait for 10 seconds.
Step 5: Press and release the power button normally, the Kindle should wake up and the charger system should be reset.

Let's try to reset the charger system.
Step 1: Unplug from the charger, press and hold the Power button for 30 seconds
Step 2: Plug into the charger. Press and hold the power button for 30 seconds
Step 3: Let charge for 12 hours
Step 4: Unplug form the Charger, run the Kindle until totally dead.
Step 5: When DEAD. Press and hold the power button for 60 seconds.
Step 6: Plug into the charger, let charge normally
If this does not reset the charging system you have either a faulty Kindle or a faulty charger, contact Amazon for replacement.

Step 1: Press and hold the power button for 60 seconds
Step 2: Plug the Kindle into the changer, press and hold the power for 30 seconds
Step 3: Let charge for 12 hours
Step 4: Turn on and use the Kindle

If it shuts down before 6 to 8 hours of use, contact Amazon for a replacement.

It is possible that your Kindle Fire's battery has died. If you noticed the battery life diminishing before it wouldn't turn on at all this may be the case. Here is a site that has replacement batteries for the Kindle Fire:
3555A2L Battery for Amazon Kindle Fire D01400

Hi!

You can try these steps to solve this problem:

1. Connect Kindle to a different USB.
2. Verify the charge light at the base of the Kindle is on.
3. Restart Kindle by pressing Home > Menu > Settings > Menu and select "Restart."
4. Leave the unit charging for 30 minutes

If the problem persist, contact Kindle for repair options.

eBookBoy