Question about Acer Extensa 5420-5687 Notebook

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When I turn on my Acer 5420 it acts like it is going to power on but then shuts down

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Make sure your the computer has charged for about 10 full minutes before trying to turn on. the battery has a very short life and needs a good boost before using. if possible just keep it plugged in during use. we have that problem a lot whenever it hasnt been plugged in for a while.

Posted on Aug 03, 2010

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Acer extensa 5420 bios


Clean out the cooling fan/vents, etc. and try again. If the fan isn't turning, it won't boot up.
If that doesn't work, you may need to disconnect the power supply and battery and then hold down the power button for 30-60 seconds. This will discharge stored energy from your laptop. I'm not sure of the specifics, but this happens to mine every 12-18 months or so. Once you've done that, reconnect the charger and battery and try to power up again. It should work now.
If these steps don't fix it, you have serious problems.

May 02, 2014 | Acer Extensa 5420-5687 Notebook

1 Answer

Extensa 5420 Blank at boot


you have a brand new hard drive... probably cable is not fitted properly and the memory contacts needs cleaning. try it... good luck.

May 19, 2012 | Acer Extensa 5420-5687 Notebook

1 Answer

How many cooling fans are on the Extenda 5420-5687. Mine shuts down very frequently and I have to reboot.


1 you could make egg whites on the back of laptop you have to change out the fan althou making sure your slots are clean in the back and not being blocked you should be ok

May 20, 2010 | Acer Extensa 5420-5687 Notebook

2 Answers

I turn on my laptop and it's dim. I press the FN


This is a Function of the laptop,you need to adjust your Power Settings. See the PC, does that to save Battery power, it will always be brighter, generally, on the Wall supply. You may need to set up a profile for both.

Apr 01, 2010 | Acer Extensa 5420-5687 Notebook

3 Answers

I have an Acer Extensa 5420-5687 laptop that is not powering up. When the laptop is running off the battery and I try to turn it on, the power light and the disk light flash for a few seconds, then it...


pretty much motherboard is trash, I had the same promblem and tech told me it will cost over 150 for replacement parts and 75.00hr + labor fee. I just said hell with this!

Feb 21, 2010 | Acer Extensa 5420-5687 Notebook

1 Answer

Acer Extensa 5420-5687 laptop won't turn on


Okay, Here's the deal..... I recently had the same problems with my friends' Acer Extensa laptop and here's what I did to fix it. I narrowed the issue down to two culprits 1. Overheating, 2. Defective Motherboard. I have fixed the problem but I takes time, patience and some technical ability which may not be available to some. :( (Swapping out the motherboard MAY fix the problem but if the defect is in the manufacturing process then the problems could return). Here's how I fixed it... While in the process of disassembly I noticed a small electrolytic capacitor that had seemingly broken off and had become wedged between the frame (<ital>very lucky! this gave me the clue I was looking for!</ital>). This made me think that it had broken off the motherboard. I proceeded to disassemble the laptop and found the location of the missing capacitor (there are two located right next to each other on the board) and was able to re solder the capacitor back onto the motherboard (could it be a manufacturing processing defect thats causing these to break loose? ). Mine was broken off due to what looked like bad solder joints. Your capacitors could still be attached but have weak solder connections. Also while i had access to the motherboard, I used the opportunity to clean and re apply the heat sink compound to the CPU and thoroughly clean the fan vents. I then reassembled the laptop and EVERYTHING has been running fine now for the last 3 days. Total time was about 4hrs and it cost NOTHING to repair. GOOD LUCK :)

Feb 13, 2010 | Acer Extensa 5420-5687 Notebook

2 Answers

I have an extensa 5420-5687. 1 day my laptop just


the power cord has shorted out you will need to buy a new one

If I have helped you please click the yes this was helpful button

Dec 03, 2009 | Acer Extensa 5420-5687 Notebook

2 Answers

Laptop acer extensa 5420 drivers, bluetooth, wireless


1. Go to: http://gd.panam.acer.com/home/
2. Click "Notebook" under "Select Product Family".
3. Click "Extensa" under "Select Product Line".
4. Scroll down & select "Extensa 5420" under "Select Product Model".
5. Click on the down arrow opposite to the component you want to download the drivers for.

Oct 29, 2009 | Acer Extensa 5420-5687 Notebook

1 Answer

Acer Extensa 5420 won't turn on, not a power/battery problem.


Just for the heck of it, try blowing out the cooling fan with some compressed air. If you have never cleaned it and the fan stops turning, the computer will go into a safe mode and not start up.
Ther should be a vent somewhere on the side of the laptop that vents hot air cooling the CPU. That is where you need to blow it out.
Hope it helps- just a longshot...

May 26, 2009 | Acer Extensa 5420-5687 Notebook

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