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Notebook Power on. Plugged into mains power. All indicator lights on. Cannot get the screen to open. power switch doing nothing. I bought this lap top yesterday.

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Take it back and tell them what the problem is. if it is under warrenty they have to fix it

Posted on Jul 06, 2008

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No power at all, np lights come on and well nothing!

No power and power LED does not light up, this indicates either the mains power is off or you have a faulty power lead. Test the mains socket and the mains power lead.
If these are OK then the fault most likely a faulty switch mode power supply. Remove the switch mode power supply and get it tested at your friendly computer repair shop OR borrow a power supply and insert it into your PC to see if it now boots up.
If it boots up the replace the power supply with a new switch mode power supply with the same total wattage or higher wattage.

Apr 01, 2011 | Packard Bell iMedia SL 9553 (P660401806)...

1 Answer

I am trying to turn my Pc on. When pressing On/Off button nothing happend. Power source is properly plugged in. What could be hapening?

Is this unit plugged into a power strip? Do any of the fans/lights come on?

If it's plugged into a power strip check the switch on that and make sure it's in the "ON" position. I'd then check to see if the rocker switch on the back of the computer...making sure the -- (minus) side is down. If you look at it that switch there is a 0 and a --...make sure the minus side is down. If you confirm that all plugs and switches are properly secured and it still doesn't work, my guess is that you will need to replace the power supply unit. They are relatively cheap and can be bought online at,, or

-best of luck

Oct 13, 2010 | Dell Dimension E510 PC Desktop

1 Answer

My computer won't turn on. Everything's dead.

1) Check to make sure your surge protector has power. Power On LED light is lit.

2) Check THE receptacle, in the surge protector that the computer is plugged into.
I have had a few bad surge protectors where just THAT receptacle was bad.
"Hmmm, surge protector Power On LED light is lit.
Monitor, printer, and router plugged into the surge protector have power."

Plugged a table lamp into THAT receptacle in the surge protector, that the computer was plugged into, found it to be bad.

3) Perform the test to check whether it is a bad Power On switch, or a bad Power Supply.

The Power On switch is located inside the plastic Power On button.
This is a generic Power On switch (ATX), that I have found fits many computers,

The test involves bypassing the Power On switch. Has nothing to do with the Power On switch wires.
A jumper wire is used on your 20, or 24-pin ATX main power cable's connector.

The jumper wire goes from the Soft Power On wire, (Also referred to as PS_ON. It is a Green wire), to ANY Black wire in the main power cable's connector.

Since you didn't post what computer you have, (Computer manufacturer, and Model Number), I have to give you generic information.
It may also be, that there is no direct information available for the computer you have.

1) This is a 20-pin ATX main power cable, and it's connector,

2 This is a 24-pin ATX main power cable, and it's connector,

[Older computers use the 20-pin ATX main power cable. Later computers needed more power to the motherboard, hence 4 more power wires were added. 24-pin ATX main power cable ]

Computer unplugged from power, observe Anti-Static Precautions.

[ Anti-Static Precautions:
Your body carries Static electricity.
Static will fry out (Short Circuit) the hardware components inside a computer.

Computer on a table, computer unplugged from power, computer case open; TOUCH the metal frame of the open computer case.
This will relieve your body of Static.

While working on your computer your hands, and forearms should occasionally touch the metal frame.
But if you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return ]

If you bypass the Power On switch, and the computer comes on, (Power Supply comes on), you have a bad Power On switch.

If you bypass the Power On switch, and the computer Does Not come on, (Power Supply), you have a bad Power Supply.

The test is to use a jumper wire on the 20, or 24-pin ATX main power cable's connector.
The jumper wire connects from the Soft Power On wire, (Green), to ANY Ground wire. (ALL Black wires are Ground wires)

The 20, or 24-pin ATX main power cable is plugged into the motherboard.
The Power Supply, (Computer), is plugged into power.

Use one end of a jumper wire, to go down into the socket hole with a Green wire, and the other end of the jumper wire to go down into a socket hole, with ANY Black wire.

The jumper wire must go down into the socket hole pretty far.
The jumper wire goes down into the socket hole, right next to the wire that is already in the socket hole.

The jumper wire has to go down in the socket hole far enough, to touch a metal terminal that is on the end of the wire.
I realize that this may look complicated on 'paper', but I'm just being very detailed.

Most use a jumper wire made from a paper clip. The paper clip's diameter is thin enough to slide down into the socket hole, right next to the wire that is already in the socket hole. (And touch the metal terminal at the bottom of the wire)

The paper clip is straightened out, then bent into a U-shape.
Black plastic electrical tape is wound around the middle of the U-shape.
The taped part is what you hold onto.

The voltage for the Soft Power On wire, (Green) is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.
Just in case you have reservations.

There may be a spark. Warning you in advance.
You may wish to use a glove, on the hand that holds the jumper wire.
Just make a brief contact with the jumper wire. No more than 2 seconds should suffice.

If the Power Supply comes on, you have a bad Power On switch.
If the Power Supply does not come on, you have a bad Power Supply.
No if's, and's, or but's about it.

Tell me the computer manufacturer name, and model number, and we'll see if a compatible Power Supply can be found.
Post in a Comment.

Oct 06, 2010 | Computers & Internet

1 Answer

Amber colored power light on eMachine W3503

The amber power light indicates that your computer has been "sleeping" or "hibernating" and usually all it takes to restart the computer is tapping a key on the keyboard. If this is not the case, try holding the Power switch down for 6-10 seconds to force the system off. Restart in Safe Mode and try to find the settings for Sleep/hibernate, open the control panel and open the Screen Saver. Select "Change Power Settings" and set it for "Never" on sleep and hybernate.

Nov 10, 2009 | E-Machines W3503 PC Desktop

1 Answer

Plugged in not charing, power available 92%

Shutdown PC. Then remove battery and Plug in AC power cable. Boot Computer. If everything fine, then shutdown again>put battery back and try! It should work. I had similar problem.

Jun 18, 2009 | Lenovo 3000 N100 0768 - Pentium Dual Core...

1 Answer

When I switch on the computer there is nothing on the screen

Do you hear anything during startup, beeps, fans or drives spinning, lights on the front or back of computer flashing or lit up? Do you hear the Windows starting sound?
Let us know more then we can troubleshoot better. It is starting to sound like 1 of 3 things, Power supply, Video card or motherboard.
Situation #1: If you get a blank screen and no sounds or movement it either indicates that the power supply unit (PSU) has failed or something on the motherboard has failed, preventing normal startup.
Situation #2: If you get sounds and lights but nothing on the screen then it indicates a failed or loose video card.
Always try a different power outlet that you know is working. (Eliminate the easy stuff first!)
If it is out of warranty, Try opening up the case, with the power off, of course. If you have Sit #2 and have a video card that you can reseat try that.
Also take the time to inspect the capacitors on the motherboard (they look like tiny soda cans) and check for tops that are bulging, swelling or leaking anything. Capacitors should be perfectly flat on top. If you find these then your motherboard is bad (well technically the capacitors on your motherboard are bad). The caps will need replacing to fix (not a job for an amatuer). If it passes the visual inspection then it may just be your power supply is bad. Notice that a bad PSU does not mean you are getting no power, just not enough to start and run the computer.

Mar 25, 2009 | Dell OptiPlex GX520 PC Desktop

1 Answer

Acer laptop shut of during power outage .

From the Acer website:
Power Issues or Will not Boot
If the notebook does not power on:

Make sure the ac adapter is correctly plugged into the notebook and into the power cord.

If everything is plugged in correctly and it still will not power on, follow these steps to complete a ‘power reset' of the notebook.
  1. Unplug the ac adapter. Keep ac adapter unplugged.
  2. Remove the battery and keep the battery unplugged.
  3. Hold the power button down for 15-20 seconds. (Nothing will appear on the display and none of the lights will light up.)
  4. Release the power button and plug in the ac adapter ONLY. (Please note that a power indicator light should be lit on the ac adapter when it is plugged in).
  5. Normally power on the notebook.
  6. If the unit does not power on, remove the ac adapter and insert the battery into the system.
  7. Plug the ac adapter back into the system, the battery charging indicator light will light up.
    If the battery charging indicator light does not light up, the ac adapter may not be providing proper power to the unit, and may need to be replaced.
Also, depending on whether your power went down "clean" (quick and stayed off), or went down and quickly came back on and off many times. Or when it came back on "clean" (came back on quick and stayed on), or it came on then off many times, your power supply may have been damaged from the power surges Are you having any problems with any other appliances?

Feb 07, 2009 | Acer Aspire L100 PC Desktop

1 Answer


check the power supply to the mains where the lap top is plugged and comfirm if there is power supply and for any possible drop in power output which may affect the charging

Aug 04, 2008 | Acer Computers & Internet

1 Answer

Red power light on, making a noise but won't switch on/off

hi dear customer. add fast check the electric power and voltage. latter , cheking jumper on the main board, total main boart opening the cacing out,servising total main board.

Jan 14, 2008 | Packard Bell iMedia 6826 (P481000502) PC...

3 Answers

Powerbutton flashing yellow

If the main power button LED is flashing or solid yellow, this could indicate a hardware problem.


Was it running good before?


Are the diagnostic LED lights all green?


Here is what dell says:


If the power light is blinking amber  —

 The computer is receiving electrical power, but an internal power problem might exist.

  • Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
  • Ensure that the processor power cable is securely connected to the system board.

Do you remember what the BSOD said?

Oct 22, 2007 | Dell OptiPlex GX620 PC Desktop

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