V570 - LAPTOP SWITCHED OFF WHEN CONNECTED TO CHARGER

Hello,
My Laptop V570, turned off automatically, when I connected the charger. I have tried the follows:
1. Refixing the battery.
2. Press and hold the switch-on key
3. Tried conecting the charger, without the battery to know, if there is power supply to the laptop. Result was Negative
Advice what should be done next.
Regards
Gijo Joseph

Welcome to the Lenovo Community !
If you have a voltmeter available I would check the output voltage of the charger.  It should be 20 volts DC at the plug that goes into the laptop.  If the charger's output more or less than the required 20 volts the laptop maybe shutting down in order to protect itself from the wrong voltage.  Page #30 of your model's Hardware Maintenance Manual will give you some additional information on the charger's plug.  Here is a link to that manual....
http://download.lenovo.com/consumer/mobiles_pub/lenovo_v570_b570_b570e_hmm_v2.0.pdf
If the charger checks out Ok then I would next try doing a BIOS reset.  This procedure is useful in resolving hardware conflicts.  Here's how......
1. Unplug the charger / adapter.
2. Remove the battery.
3. Press and hold the Power Button for 15 seconds.
4. Re-install the battery, plug in the charger / adapter if needed and power up the system to see if the problem was resolved.
Owner & Operator of the following:
● Lenovo Ideapad Z570 w/ Win 7 & Win 8.1 Dual Boot ● Lenovo Yoga 3 Pro w/ Windows 8.1 ● Toshiba A75-S206 w/ Win 7
● IBM Thinkpad T-23 w/ Win XP ● IBM Thinkpad T-22 w/ Win XP • As well as multiple desktops dual/triple booting XP, Vista and Win 7.
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