Question about Acer (56.04145.901) (5604145901) Power Supply
On my Acer lap top the charge light goes on and off which means it switches back from power to battery. If you move the cord it will come back on, but then go off after some time. When it was under warranty and was sent back in they replaced the power cord and battery. It workded OK for about six month. Now the same thing is happening. Please help. Thanks. Steve
There are two places the trouble can be happening, at the adapter plug or at the power jack in the laptop. To determine which one is causing the power loss, hold the plug in the computer steady with your fingers while you wiggle the adapter cable. (If you have access to a voltmeter you can measure the voltage at the plug while you wiggle the cable to see if remains steady.)
If the charge light flickers it's the adapter cord that's bad. Because the wire flexes so much at the plug, it can break inside the insulation and cause the power loss. You either need to replace the adapter or repair it by cutting off the bad end and installing a new plug.
If the charge light remains on with the plug held steady but flickers when you wiggle the plug itself, the trouble is on the main board in the computer. The solder connections at the power jack have broken from the plug flexing and need to be repaired. This involves opening up the computer and getting at the solder side of the main board. It's tedious but relatively simple. If you are not experienced with soldering on small electronics, leave this to a professional shop.
Posted on Apr 23, 2009
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Posted on Jan 02, 2017
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