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If it's not a recognized charger it'll stop charging the battery and try to run on the charger alone. If the peak draw of the laptop is higher than the charger output, it'll go right back off.
Try removing the battery and see if it'll boot on the charger alone.
Remove the battery for at least 3 minutes... Then put it back and then plug in the charger and switch on the charger. If the battery is completely drained, it would take a while for the charging to initiate. Please have patience and leave it on charging even though without the charging indication for at least an hour. After that still if the charging indicator doesn't lit, then its definitely your charger or laptop. You will need to take it to a service centre in that case.
Your battery charger/adapter connects to the DC Power Jack to power your laptop and charge the battery. Since the charger/adapter does 2 things, there are 2 "cells" inside it to do those 2 different things. It's not uncommon for one or the other (but not both) to fail. So, often just purchasing a new charger/adapter solves the problem you're having. It appears that yours is continuing to charge but has stopped "adapting" AC current to DC current to power the laptop directly.
OK unplug power supply from back of laptop, remove battery, insert power supply, if NO light, on laptop, power supply is broken..Replace. IF it is OK, hold power button ON for a while, or until, the PC starts, if/when it starts, shutdown, with power ON key, and then take out power supply, replace battery, replace power supply, turn laptop on, now should be OK.
u try one thing just shutdown laptop remove battery and charger from laptop then after push power button for 1 minute after that install battery and charger. but not start laptop and check that charging led of laptop is running if it's runnig then put in same condition for 3 to 4 hours after that start laptop using battery only after proper booting when os load attech the charger and check charging status.
1. Try and check the voltage output of your adapter using any ordinary voltmeter. It should have a voltage reading close to the dc rating printed at the back of your laptop.
2. Even if you have problem with battery, the laptop should power on. Otherwise, if both battery and charger is working fine, then there is a problem with the charging circuit that is built-in on the laptop's mainboard.
If charger is defective, then its more practical to buy a new one instead of sending it or repair. Repaired chargers can cause more problem for you in the future.
If the charger is older and since you saw the light go on then off again, it could just be the charger wires. Assuming your charger has a black box attached to it, try pushing the cord in towards the black box (usually the end leading to your laptop) . If that doesn't work, wiggle the cord in that area. If this works, your problem is simply the wire is worn out. You can fix it by exposing the inside wire where the bad connection is, snip it, reconnect and cover with electrical tape. I just did this to my sister's last week.