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Laptop will not turn on. The power supply light flashes but the computer is unresponsive. When I pull the power from the back of the laptop the blinking on the power supply stops and becomes a solid light. I've tried taking the battery out and using just the power cord, but still nothing just the same blinking green light on the power supply and no signs of life on the laptop. Its an ACER 5920. Please advise.

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Make sure that the power adapter is not defective. I recommend that you refer to the following article for tips on how to diagnose power adapter problems & fix them:
http://www.fixya.com/support/r6395191-troubleshooting_laptop_power_failures_ac

Posted on Mar 12, 2011

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Posted on Jan 02, 2017

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1 Answer

My acer aspire v5-431 won't power on what do I do?


1. remove the battery and try AC only
2. Is the AC power supply warm?
3. Is the power light on but the computer is unresponsive?

1. Battery may have a short stopping the laptop from booting, replace the battery.
2. The AC power supply may be defective or the connector on the laptop is broken, replace the power supply/take the laptop to a shop.
3. The laptop may be in Sleep/Hibernate mode, press and hold the power button for up to a minute.
If nothing happens/is fixed at this point, Warranty/replace/take it to a shop

Apr 12, 2014 | Acer Aspire ASV5-431, V5-431 Charger,...

Tip

This is a nice simple solution to a problem commonly experienced with Toshiba...


This is a nice simple solution to a problem commonly experienced with Toshiba laptops or notebooks. Please remember this is not a guaranteed solution as there may be other factors involved as to why your laptop is failing to start e.g faulty RAM.

However, this is a very common issue that appears with these laptops and hence the reason for the Tip. It is very simple to do, involves no cost and often resolves the problem without any further intervention.

If your Toshiba laptop has mysteriously turned itself off and is now totally unresponsive or appears completely dead and won't turn back on - then read on.

Symptoms:
  • Laptop mysteriously turns itself off and will not turn back on
  • Laptop appears completely dead/black screen/unresponsive
  • Laptop refuses to charge the battery when connected to the mains supply i.e. No charge light showing.
  • There may be a brief flash of the screen or power button when you try to turn it on but then it immediately shuts off again.
Solution:
  • If the laptop is still connected to the mains unplug it completely
  • Remove the battery from underneath the machine by releasing the locking tabs (or screws dependant on your version).
  • *Important*: With the battery removed - press and hold down the power button for at least 20 seconds. This is to remove any residual power from the laptop.
  • Reinstall the battery and plug the laptop back in to the mains.
  • Turn laptop on as normal and hopefully it should power up.

As stated at the outset, in some instances there will be other reasons as to why your laptop is not turning on. However, because these symptoms are a common yet often overlooked problem with this laptop, it is highly recommended to troubleshoot this procedure first before resorting to testing or replacing any hardware.
If the problem has failed to resolve using this simple step then please see my Hardware troubleshoot LapTop Will Not Turn On or Boot

This includes a video walkthrough to help guide you through the process.

Please do help by registering your vote for this Tip using the buttons below.

on Mar 06, 2010 | Baby Care

Tip

If your Toshiba Laptop Will Not Turn On


This is a nice simple solution to a problem commonly experienced with Toshiba laptops or notebooks. Please remember this is not a guaranteed solution as there may be other factors involved as to why your laptop is failing to start e.g faulty RAM.

However, this is a very common issue that appears with these laptops and hence the reason for the Tip. It is very simple to do, involves no cost and often resolves the problem without any further intervention.

If your Toshiba laptop has mysteriously turned itself off and is now totally unresponsive or appears completely dead and won't turn back on - then read on.

Symptoms:
  • Laptop mysteriously turns itself off and will not turn back on
  • Laptop appears completely dead/black screen/unresponsive
  • Laptop refuses to charge the battery when connected to the mains supply i.e. No charge light showing.
  • There may be a brief flash of the screen or power button when you try to turn it on but then it immediately shuts off again.
Solution:
  • If the laptop is still connected to the mains unplug it completely
  • Remove the battery from underneath the machine by releasing the locking tabs (or screws dependant on your version).
  • *Important*: With the battery removed - press and hold down the power button for at least 20 seconds. This is to remove any residual power from the laptop.
  • Reinstall the battery and plug the laptop back in to the mains.
  • Turn laptop on as normal and hopefully it should power up.

As stated at the outset, in some instances there will be other reasons as to why your laptop is not turning on. However, because these symptoms are a common yet often overlooked problem with this laptop, it is highly recommended to troubleshoot this procedure first before resorting to testing or replacing any hardware.

Please do help by registering your vote for this Tip using the buttons below.

on Jan 25, 2010 | Computers & Internet

2 Answers

I shut down the laptop at once and i turned it on immediately.so only power light is on and the computer is not working.only black screen is seen.


Try this :

1. unplug the ac adapter and remove the battery .
2. press and hold power button for a minute
3. now put the battery back and plug in ac adapter
4. turn on the laptop now

it should work.

if not, try removing hard drive and memory modules then reinstall them back.

if the issue persists, your motherbord has gone bad.

Jul 11, 2011 | Toshiba Satellite P105-S6084 Notebook

1 Answer

Hello, I have a problem with my eee 100H5 netbook. I was using it connected to the power outlet, when it randomly shut off. It cannot be restarted and is unresponsive to the power cord, meaning that the...


Unplug the computer and take out the battery.
Hold the power button for ten seconds.
Leave the battery out and plug in the power cord.
Press the power button.
If the computer turns on, put the battery and everything should now work.
This has solved every "laptop not turning on problem" for me and my friends.
sublimedjg

Jun 23, 2011 | ASUS Eee PC 1000HE Netbook

2 Answers

I have a Compaq Presario R3000 with Windows XP OS. Until recently it had been working fine. Suddenly, the power went off while still connected to the AC Supply and the Laptop just went off. The battery...


1. Remove battery from the laptop. 2. Unplug the power cord from the computer. 3. Let the computer sit for a few min. 4. Leave battery out. 5. Connect power adapter to computer 6. Push power button to turn computer on. 7. If computer powers on shut down again, and put battery back in. 8. Push power button to turn computer back on (at this point battery and power adapter should be connected to the computer)
If computer powers on with power adapter with the battery out. You are having a battery issue. You would want to look into replacing the battery. If computer does not power on with just the power adapter. You are most likely having a power issue. Depending on how old the laptop is. You will either want to contact the manufacturer. Or take the computer to a computer repair shop, or consider replacing the laptop.

May 31, 2011 | Compaq Presario R3000 Notebook

1 Answer

I have a HP/Compaq 6510b laptop computer and it will not turn on...I have the charger plugged in and the only thing happening is the green light periodically flashes...Is the battery bad?


IF the battery is bad the charge lndicator on the laptop will flash (But not periodically) it will be a constant on-off-on-off..... Best check would be to remove the battery completely and use the adapter/charger power supply only. If it still does not turn on then you either have a bad power jack connection or a more serious motherboard problem. Also is the green light flashing on the adapter/charger or is it the charge/battery indicator on the laptop?

Feb 17, 2011 | HP Original HP COMPAQ 6510b 6515b 6710b AC...

1 Answer

I got my Acer laptop about a week ago. It's been plugged in all day, closed. The power light is on and the battery light indicates it's fully charged, but the screen is black and the computer is totally...


I would try unplugging the laptop, remove the battery for a few seconds and then put back and then try to turn on. See what happens and go from there.

Sep 03, 2010 | Acer Computers & Internet

2 Answers

Power supply flashes green and no lights on laptop


Remove battery pack, press and hold power button for 5 seconds, then put battery pack back in and restart pc. This should take care of it. A bad memory stick can cause problems like this as well.

Nov 12, 2009 | Acer Aspire 5600 Series 5630-6951 Laptop

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