The power cord has been pulled on and wiggled around until now i feel that it has shorted out inside. the male portion of the plug inside the case is loose. before i lost all power i was able to bend the cord to one side and it had power as long as pressure was on it in that position. now that dosen't even work. if i could open the case maybe i could resolder the connection but i can't figure how to open the case properly. any help would be appreciated
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You can get an exact adapter from eBay link below, they are quite cheap. Sometimes the break is close to the end of the plug, and sometimes, the actual solder on the socket inside the unit is fractured, causing intermittent connections. Often we are able to use the old cord Plug, and graft on the new power Lead. However it is wired and regardless of how many wires are inside, the is only One - Negative, the OUTER contact. The INNER Contact is Always + Positive, sometimes there are three wire inside, TWO are Plus, and ONE, the shield, is negative.
If I'm understanding you correctly, the wiggle is from the laptop. Sounds like a problem is about to happen. Your Presario has a loose power jack (connector inside the laptop). It is a part that can be replaced.
If you have to wiggle the power cord it is most likely the DC jack on the motherboard. It is usually the center pin in the the jack that breaks the solder point and the small tension band inside the jack housing weakens.
it happens some times dont panic check the switch button is it on or not check the power cord is correctly inserted after that take the battery off wait for 15 mins put the power cord in the laptop turn on the laptop and try to move the lid up and down i hope it will work for you sir.
It's a common trouble for the power cord from the adapter to break inside the insulation near the plug. This is because of frequent flexing of the cord near the plug. When this happens you'll see the power light on the computer go out, and wiggling the cord sometimes gets it going again. Without the power input, the battery doesn't charge and the laptop won't stay running.
This sounds like what's happening to your computer, and should be fixed by replacing the adapter. Generic replacements are available at reasonable prices from online vendors and at Radio Shack and big computer retailers. It's also possible to repair the adapter by cutting the cord back and soldering on a new plug if you or someone you know has the tools and skills.
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Your DC Jack Is Most Likely Failing From What You Describe....
The DC Jack Is The Port Where Your Charger Cord Plugs Into..
If Wiggled Enough, It Will Pry Loose From The Motherboard And Eventually It Will Begin To Short Out The Power, If Left Unrepaired, It Will Eventually Lose All Means Of Charging/Powering On Due To The Solder Being Burnt Away From The Positive Pins That Connect To The Mainboard....
You Might Want To Test Your AC Adapter With A Multimeter For Positive Power and Correct Voltage .. Sometimes A Broken Cord Will test Good If The Break Is Making Contact when testing....
So When Testing the cord... Slightly wiggle it to see if indeed there is a break in it or not...
sounds suspiciosly like your chord fitting is damaged(loose wires at connection)and shorting.if possible try a friends power supply with same connecter type before renewing cos could be faulty(loose)connection at pc(inside)constant pushing and pulling of connections often causes 1. loose split or disconnected wires at male connection or 2.loose pins on motherboard female connection or broken housing (not difficult to repair)more difficult to find out how to get to internal connection.
I think you're goin to have to replace your" dc-jack" as it's called. This is where your AC cord plugs into your laptop.DC-jack problems are very common in laptops.Over time they wiggle loose just enough to mess up the solder connection on the motherboard.Try gently wiggling your AC cord where it plugs into your computer ,if you screen returns to normal when you wiggle the plug a certain way,then you've most likely got a bad dc-jack.