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Remove battery. Maybe faulty? Try another cord/charger with the EXACT same specs. Reseat the Memory Mods. has the AC jack been damaged by pulling on the cord? Try plug in and at the laptop's AC jack "wiggle" the AC jack plug. Any change?
I think your power cord is bad. It probably was not charging the battery at all and so now all your battery power has drained since you were running on it. Once the battery power is drained and if the AC Adapter Power Cord is not working the computer will not boot because it has no power source.
Some AC Adapter & Power Cords have lights on them to let you know when it is plugged in if it is working. Normally when you plug the power cord in the laptop somewhere on the laptop lights up to let you know it is receiving power. Sometimes the light is where you plug it in, sometimes at the front of the laptop or right above the keyboard area.
I thing you need a power cord. And don't settle for one of the one size fits all (with a removable tip designed to fit any laptop) that the big box stores will sell you.
If your power cord is good and the laptop is not receiving power then the problem could be your DC Power Jack where the power cord plugs into the computer.
Maybe your DC Power Jack which is where the power cord plugs
into the computer is bad. Take an ink pen and push the tip inside the
jack and see if the little pin wiggles, if so the jack is bad. You'll have to
take the laptop apart to fix it. Most times it is soldered onto the
motherboard, so you will have to desolder the old and solder a new one.
This is most likely issue with power cord or on the laptop where you plug it in. Try to separate the cord at adapter and just plug it in without being pluged in to power and see does it create short and shut down your laptop and if not it is possible it is not sending right voltage to the laptop it self. Try a different cord if you have one. Good luck
You First need to test your AC Adapter Cord...
You can test if you have a secondary known working one.. plug that one in to see if same issue occurs.. OR you will need to test the AC Adapter using a multimeter (available at any home improvement store for under $7).. When testing the Plug End on the AC Adapter - Hold The Negative Test Prod Of the Multimeter to the Outer Side Of the Plug Tip, and Put The Positive(red) Test Prod Inside The Plug Tip... See If You Have Power Through The AC Adapter Tip... You Might Need To Slightly Wiggle The Cord Near The Tip End To See If THere Is A Short In The Cord....
If Cord Tests Good....
You Will Need To Replace The Laptops DC Jack...
The DC Jack is the port where your AC Adapter Plugs into on the laptop..
Your Faulty DC Jack Would Need to be desoldered, the motherboard cleaned of all old flux, Re-Tin The Contact Pads and then Resolder a New DC Jack Onto The Motherboard...
Remove the Laptops Battery, Plug in AC Adapter... Is it able to Stay Powered On?? Slightly wiggle the Cord Near the plug end while plugged in... Does it still receive true power??? If So, Its Not Your AC Adapter Or Your DC Jack And You should Look into Replacing Your Laptops Battery...
If You Are Not Able To Power THe Laptop Using Just The AC Adapter When The Battery Is Removed, Then You First Need To Check/Test The AC Adapter using A Multimeter To See If You Have A Faulty Cord... If Cord Is Still Getting Correct Power Through To The Plug Tip .. Then You Will Need To Replace The DC Jack (the port where your AC Adapter Plug Plugs into on the laptop)
try connecting ac adapter alone without the laptop, check if ac adapter light will stay green or blue. try another power outlet using the ac adapter alone without the laptop check if the ac adapter light will stay as green or blue. if all fails replace ac adapter.
if ac adapter stays green or blue try connecting to the laptop without the batt, check if the ac adapter light will stay on, if yes then try connecting ac adapter to laptop with the batt plugin check if the light stays green. if not update the BIOS. if fails replace motherboard.
The source of the problem obviously is either the AC power cord or the battery, or it could be a combination of the two. In terms of the symptoms you describe, it could be a faulty AC cord. This could involve a few possiblities: loose connection between the AC plug and the AC adapter unit, a loose connection between the mini plug (the part that goes into your laptop) and the AC adapter unit, or the AC unit itself could be going bad.
Not sure how intermittent the flashing between battery and ac mode is. If you're talking very frequent such as once every minute or so, I would be suspicious of either the plug (both AC and input to laptop sides) or the connections between the AC adapter portion and the plug. Not sure how long you've had the laptop and cord, but it is possible that the cord has somehow worn out. This wearing out can be accelerated if you often use the AC cord and there is tension on it.
One finally suggestion of course is to either try a new cord. You can often find them on e-bay and can even purchase used ones for a cheap price. If you do, you will then obviously be able to confirm that the cord was the problem. One might think or say the battery is not charging fully and is the problem. True, the battery may be a problem, but the root cause may be the cord.
Hello my friend,
Try to check your battery if the is it working normal cause sometimes the battery itself has the problem its either lost contact or the battery is not charging or not normal. also try to see if the the the sensor or that links the battery to the software which is responsible to the update of charging energy is functioning normal but this is a rare possibility try to focus on the battery or the connector or power cord.
Hope this will able to help solve you problem.
If you need more assistance just reply to this post.