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Repair guides and troubleshooting for the Acer Aspire 5750. This is a 2012 Aspire budget laptop aimed at the casual household user or for small business use.

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Battery charging LED blinking

My acer laptop charging adapter is not fixed (moving a litle bit when plugging in) because some of the material which restrict the degree of freedom(fix it so it can't move) was broken. Ended up with blinking light and not constant charging (I need to try moving the charger cabel on the plugging side and when play with it back and forth or turn it around in order to find the touch spot it starts charging but after a while it starts to blink again) . So I opened the laptop fron inside and found that one of the smale cables is not rightly attached and so I found a solution by attaching that cable with the body of the charging adapter (found out that the body of the charging adapter is connected with the same pole) and by this it still blink some times but in certain postion it charge without blinking which drives me crazy, like I'm certain it is 100% the electrical surfaces are connected therfore electricity should go through. Any help would be appreciated.

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Mozab, If able try a different charger to eliminate possible bad wire/plug on charger. Check for a bad solder joint on charge port to circuit board, may need a magnifying glass as cracked solder joints can be hard to spot. Repair or have bad solder joints repaired.

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L Pfaff, thanks for the answer I'll try this when I'm back home. Btw the 1st time I checked the problem I did find that the cable is not well attached by the solder point to the plug, currently I don't have the tool that melts solder joints. From your answer I see it might be the other solder joint of the other pole cable or it might be at the other pole which was jointed by a hand with the body. I'll upload soon a closer picture of the plug.


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