Question about Toshiba Satellite A105 Notebook

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All leds flahing and power on switch falshing yellow wont turn on

When i plug in the power cord all leds flash and also the power switch to trun it on with and the screen flashes to , and i can not get it to power up so i can get in to it. my son got it to turn on once and then no more so i just dont no what to do no .. i was told power cord or motherboared i just dont wont to put a lot of money in it or i will just go get a new one . if you can help let me no please thanks it is a ( toshiba satellite )
A105-S2194 (MODLE) PSAA5U-00Z01C POWER CORD. 19 .V 3.42A
THANKS GOD BLESS Pastor: Eld. william spradling

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Could be a battery failure

Posted on Jan 24, 2009

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Power wont turn on..battery led flash orange


Remove battery. Maybe faulty? Try another cord/charger with the EXACT same specs. Reseat the Memory Mods. has the AC jack been damaged by pulling on the cord? Try plug in and at the laptop's AC jack "wiggle" the AC jack plug. Any change?

Jan 04, 2013 | Toshiba Satellite U305-S2804 Laptop

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I have a DELL Inspiron Mini. The power LED light is alternately flashing white and red. The netbook will not come on unless I have the power cord plugged in. When I do plug it in and power on, the...


This could indicate a bad battery. Try removing the battery and powering on the laptop. If the power LED remains white then you have a problem with the charging circuit. That means your battery could be defective or the battery charging circuit on your motherboard is faulty.

Feb 21, 2011 | Dell Inspiron Mini 10 Notebook

1 Answer

Gateway mx6448 Notebook will not power on, Red LED flashes 4 times when power on button is pressed then nothing happens. It is the same with only the battery. LED will not flash if I have only the power...


There can be many things associated with no power to the computer.
  • The outlet into which the computer is plugged may be inoperative.

  • The surge protector you are using may be inoperative.

  • The power cable may be loose or damaged.

  • An internal device may be damaged.

  • The power supply may be inoperative.

Basic Troubleshooting Power to the Computer
There may not be a consistent flow of power to the computer.
  1. Verify that the outlet into which you are plugging the computer is operational.

  2. If you have the computer plugged into a surge protector, plug it directly into the outlet.

  3. Verify that the power cable is plugged securely into the back of the computer.

  4. If you have a monitor with a removable power cord, swap the power cords between the monitor and the computer.

Note: If you recently added a new hardware device prior to experiencing the no power issue, turn off the computer and remove the newly added hardware. If there is still no power, reseat all the other cards and cables in the computer to verify that all other devices are seated securely.
Resolving Power Supply Issues
  • External Device Conflicts
  • There may be an external device causing the computer not to turn on properly.

    1. Before continuing, verify your computer is turned off.

    2. After you have established that adequate electricity is going to your computer, verify that the voltage switch on the back of the power supply is set correctly. The small red switch is to be set to the 115-volt setting.

    3. Remove all external devices except the monitor and turn on the computer. If the fan on the back of the computer now spins, turn off the computer. Plug in the external devices one at a time and turn on the computer after each device is added.

    4. Note: If you removed all external components and the fan on the back of the computer does not spin, the problem is with something inside the computer.

  • Internal Device Conflicts
  • This helps determine if the issue is a damaged or badly seated component.

    1. Verify that the computer is turned off.

    2. Remove the case from the computer.

    3. Remove all the red, yellow, and black power connectors from each floppy disk drive, CD-ROM drive, and tape backup unit that is in the computer. The only devices connected to the power supply are your hard disk drive and motherboard.

    4. Turn on the computer and verify that the fan on the back of the computer spins. If it does not spin, turn off the computer.

    5. Remove the power connection from the hard disk drive and reconnect power to one floppy disk drive. Turn on the computer and verify that the fan on the back of the computer spins.

    6. Reseat the power connection from the power supply to the motherboard. Turn on the computer and verify that the fan on the back of the computer spins. If the power has been restored, turn off the computer and reconnect the power connections to the devices. Test the computer for power after reconnecting each device.

  • Power Switch
  • The power switch may not be functioning properly.

    1. You may need to open the case and readjust the power switch.

    2. Locate the control panel inside the computer and remove any screws holding it in place.

    3. Turn on the computer with the control panel removed by pressing the button on the control panel that corresponds to the power button. If the power supply fan spins and/or the computer turns on, put the control panel back in its place. Try to turn on the computer again.

  • Test Switch and Diagnostic LED
  • Note: Not all power supplies have a test switch and diagnostic LED.
    Certain power supplies have a test switch and LED to help better troubleshoot the device. The green LED is always on when the computer is powered on. If the computer is not receiving power please perform the diagnostic test below.

    1. Verify that the computer is turned off.
    2. Remove the case from the computer.
    3. Remove all of the red, yellow, and black power connectors from each floppy disk drive and ROM drive and the tape backup unit (TBU) that is in the computer. Remove all power connectors from the motherboard. The only device that needs to be connected to the power supply is the hard disk drive.
    4. Press and hold the test switch for five seconds on the power supply, and then verify that the green light on the power supply comes on.
    5. If the light comes on:
      1. The power supply is good and something that was plugged into the power supply is causing the computer to not turn on.
      2. Plug devices in one at a time, testing with the test switch between each device to determine what is causing the power issue.
      3. If all devices are plugged in and the light is working, the connections may have needed to be reseated, or it is possibly a power switch issue.
      4. Go to the power switch section of the power supply checklist for additional troubleshooting steps.

    6. If the light does not come on:
      1. Disconnect the power from the hard disk drive, and then plug in power to the CD-ROM drive and determine whether the light comes on.
      2. If it does, follow the preceding information - "If the light comes on."
      3. If the light still does not come on, contact Gateway Technical Support.

    7. Confirm that power from the power supply is connected to the motherboard. Remove all cards and cables from the motherboard, and press and hold the test switch for five seconds on the power supply and determine whether the green light-emitting diode (LED) comes on.
    8. If the LED comes on, put the devices back in one at a time, testing between each device to determine what is causing the issue.



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Dec 02, 2010 | Gateway MX6448 Notebook

1 Answer

Wont power back on. only yellow light flashes


I have an aspire one AOD250 notebook and I have had to unplug and plug the power cord to the outlet on the side and it always gets my charger light to come on, try it

Apr 03, 2010 | Acer Aspire 5610-4648 Notebook

1 Answer

The PC doesn't start. led is not blue when power cord plugged


Below is a link to the service and maintenance guide. This will serve as a reference for disassembly. It is free to use, copy and print. It is in PDF format. I would check the voltage at the tip of the adapter to make sure it is putting out the proper voltage. I have seen plenty if failures with the HP laptops at the DC jack area, in most cases these jacks are connected to the motherboard by a cable and plug, which makes them easier to service than the soldered type. Here is your guide........

http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01550099/c01550099.pdf

Jan 13, 2010 | HP Compaq 6830s Laptop

1 Answer

Laptop will not turn on even though LED flashes


Remove the battery and the power cord, wait 5 minutes and put the power cord in and try and start it. If it starts shutdown the machine and try the same test this time put the battery in aswell. If the machine starts fine you will be ok, if it doesn't start with the battery in then you may need to replace the battery.

Jun 09, 2009 | PC Laptops

2 Answers

The little orange light that comes on when the computer is charging just flashes and computer wont trun on what does this mean?


Make sure the power cord is securly connected to the computer and that it plugged in. Are you sure the battery isn't emty?

Try taking out the battery and leave the power cord plugged in and try to turn it on.

Mar 13, 2009 | Acer Aspire 4720 Notebook

1 Answer

Will not turn on or charge. It came on once and then went into hybernation within a minute. The power from the cord is 18.8vdc. The charging LED is not lit when plugged in. The charging LED flashes yellow...


sounds like battery is naff,normally to remove battery from any laptop their is a slide button underneath or on the side,or on older models a slide cover which you slide down a bit then use the cover to pull the battery out.youll find it.

Dec 06, 2008 | Compaq Presario Notebook

1 Answer

Cx2620 gateway wont turn on


Possibly Need a New DC Jack In Your Laptop... the DC JAck Is The Port Where Your AC Adapter Plugs Into...

Though You SHould as well Check For Proper Power To Your CHarger Cord.. Not all AC Cords That Have Their Lights On Are Able To Charge...

To CHeck If It's The DC Jack... Remove Your Battery..... Plug In the AC Adapter Cord... Power On... If You Get No Lights/ No Power/ No Fans Etc..... It's Your DC Jack

Nov 20, 2008 | Gateway Convertible CX2620 Notebook

1 Answer

Laptop won't power up!


disconnect the battery and just keep the ac power connected. hold down the FN button and hit the power button. if some lights falsh and the computer shutsdown in 4 - 5 seconds its a bad motherboard. If you get other light lemme know. Call dell tech support and get a dispatch made if system shutsdown right after the lights flash. You can also try the chat support at www.dell.com/chatsupport

keep a phillips screw driver handy when you call as they might as you to disconnect the hard drive, CD drive and other cards like thememory card and wireless card to check if they are not causing the issue.


Rate if helpful.

Sep 24, 2008 | Dell Inspiron 1501 Notebook

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