So my wife owns this Acer laptop. Recently, it had to go into service because the input on the power supply had a bent prong. Essentially, on the power supply there is a prong, and on the A/C adapter there is a hole into which the prong fits. She has the extended warranty on this item from Circuit City, so they repaired it. I believe they had to replace the entire motherboard, as the power supply is evidently integrated.
Anyway, we just got the item back. At times, while she uses it, the A/C adapter loses contact with the power supply and the battery power starts to go down. This doesn't always happen, and sometimes if she wiggles the A/C adapter around, it connects again, and sometimes if she switches it to another outlet, it connects again.
The outlets seem to all be fine, as my laptop doesn't have any of these issues. We wouldn't be entirely opposed to purchasing a new A/C adapter, if it'll fix the problem, but I'm concerned that there might still be something wrong with the power supply. Any thoughts on why this might be happening?
Sound like they have damaged the "new motherboard" when have installed it at the shop. Or they installed a cheap brand and it's not correctly sitting in the base. should ask them to show you the old motherboard they removed to make sure they haven't just fudged-up the old one.
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Could be a combination of things causing this, "What to Check Out" first off it may be the power button it may be worn and in need of replacement. Second could be a short in the power pin input where you plug the laptop in at. Plug it in when working or not working and wiggle it around gently to see if it lights up or sometime shows a blinking light. If this happens then you will need to have that piece on the board replaced or soldered. Check for shorts in the wires itself see if there are bent wires or crimped up wires on the power cord. Animals are notorious for doing that sort of damage to power cords. So we know it is a power issue working and not working that is where I would start at. The sources as I explained above. Right now it is something that is shorting out. I believe without seeing the computer itself that the plug in power sources are the issue here. Especially the input plastic pin where you plug the power cord into is a common issue on laptops because they get bent or stepped on or pulled and twisted when using a laptop. This is why it is critical to be gently with these types of components. Keep animals away from chewing on them as well or when plugging laptops in to make sure the cords are not bent up or twisted but straight inline with the power source plug in on the laptop. This can happen over time as well. I think that is your issue. While laptop is being repaired if you do it yourself which I do not recommend if you have never done this sort of thing take it in for repairs. Make sure they clean the dust out of the fan and CPU areas as well. John
If you reboot it and everything seems normal except there is no display, get a flashlight and examine the screen for a display with no backlight. Maybe it is just the back light power supply that has failed? Hope that helps.
I've had this happen to me a few times. If the pin inside the laptop is bent, then there is no question that you'll need a warranty or shop repair on the laptop to fix or replace the power port.
If the power input coming from the power supply is bent, then you can try fixing it by pushing the plug back into place with a pair of pliers. If this doesn't work, then you'll need a replacement power supply or repair.
You may have a broken power jack in the laptop. Inspect the power jack and see if the center pin moves at all. It should be fairly solid. If you find a bad jack your local repair shop may be able to repair it or you can get a jack from Ebay and solder it yourself.
I hope this helps, Buddy www.ccl-la.com Corporate Computer
Try check the power cable to for connection, Please sure that the cable transformer is not busted. If ever the cable is good then, something wrong with input power of the laptop, guess that the fuse blown. please open an check the power line from input to all the connection inside. If affraid to do so, then you can contact your vendor, im sure they have a tech to fix your problem. If not then i am ausre you that the know the service center of your laptop. Kindly verify your manual, i guess the toll free is listed there.
Part costs about $ 5-10 bucks.....labor to fix it ranges from $ 100 - $250. Problem is caused by jerking or tugging on the power cable too much. All laptops need a Cable Retention Device like the one in this video. . .