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Toshiba Satellite A105-S4048 problem with AC Adapter

When I turn the laptop on with the AC adapter, after checking the BIOS freezes and does not boot Windows. If I turn the laptop in only with battery boot and works normally. If I connect the AC Adapter when windows is working, the system freezes I have already changed the AC adapter and the problem continues Can someone help me?

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  • Shoaib Rais
    Shoaib Rais May 11, 2010

    pls consider changing RAM if u have 2 installed try 1 by 1 see if it helps i dont think this power thing is causing problem as far as adapters are giving 19V and around see thru volt meter

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1 Suggested Answer

RescueTechLA
  • 2653 Answers

SOURCE: Toshiba Satellite A105-S4048 problem with AC

There's not much you can do. The problem is definately with your motherboard. I'd recommend a bios update, but normally you can ONLY run a bios update if the battery and the ac are both plugged in.

This problem is pretty common among Toshiba's A105 and P105 models.

Besides replacing the motherboard there's not much you can do.

Sorry.

Posted on Mar 10, 2009

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2 Answers

When I try to boot up my A105 (with battery in or out and AC/DC adapter connected) the battery light flashes yellow 10 times. I've checked the output of the adapter and it is good. Any suggestions?


If you have tested with another adapter with the same results, flashing the BIOS can resolve a power issue.

From the Toshiba website:

http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/outFrm.jsp?ofId=AskIris&searchString=a105+bios&x=11&y=8

Be sure to look at the ReadMe file.

Hope this helps.

Aug 04, 2009 | Toshiba Satellite A105 Notebook

1 Answer

Cant find recovery files


On boot , its either F10 or F9 or ctrl F10 or ctrl F9 and it should go into restore F10 is the usual command

Jul 14, 2009 | Toshiba Satellite A105 Notebook

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Toshiba Satellite A105-S4048 problem with AC Adapter When I turn the laptop on with the AC adapter, after checking the BIOS freezes and does not boot Windows. If I turn the laptop in only with battery boot...


There's not much you can do. The problem is definately with your motherboard. I'd recommend a bios update, but normally you can ONLY run a bios update if the battery and the ac are both plugged in.

This problem is pretty common among Toshiba's A105 and P105 models.

Besides replacing the motherboard there's not much you can do.

Sorry.

Mar 10, 2009 | Toshiba Satellite A105 Notebook

1 Answer

Freezing up


I think you need to do a power cycle. remove the battery and use tha AC adapter alone. If it boots, then thats good. U can try also booting on safe mode by pressing F8. Then re start the notebook in normal mode. If it wont works then i think u need to reinstall windows as a last resort. U need to use TOSHIBA RECOVERY DISK this time.

Sep 05, 2008 | Toshiba Satellite A105 Notebook

1 Answer

Toshiba Satellite A105 no power


try looking at the DC input. My brother's 1st laptop had that same problem. All we need to do is solder it. Remember-1st dc connection, not the one on the MB.

Jul 30, 2008 | Toshiba Satellite A105 Notebook

3 Answers

Toshiba Satellite Laptop Power Failure (A105-S1013 System Unit)


Okay, lets troubleshoot this:
1)Does your laptop run on battery alone ?
yes )test your jacks continuity to the motherboard using a continuity tester or Digital Multimeter.
a)test between the center contact and the motherboard.
b)test between the outside metal cover of the jack ,and the motherboard.
c)If either of these fails continuity,replace the jack.
2)does your laptop now power up on AC ?
yes)Stop
No)Try the BIOS upgrade.

Feb 10, 2008 | Toshiba Satellite A105 Notebook

1 Answer

Toshiba Satellite A105 PC Notebook


When you turn it on, do you hear any activity? Motors start working, fan spinning, etc…? Try to connect an external monitor and start the laptop. Check if you can get any video on the external monitor. If the external monitor is dead too, try to remove the battery and start the laptop from the AC adapter. It also might be a bad memory module or a bad connection between the memory and the motherboard. Try to reseat the memory module, move it to the second slot. If you have two memory modules, try to remove them one by one and turn on the laptop. Also, try to remove the hard drive and see if you can boot it to Toshiba screen without the hard drive installed.


There is no special button to reseat the BIOS settings. To do it, you’ll have to access the BIOS using F2 button on the laptop start up, but as you have no video, you cannot access the BIOS and set it to defaults.
I

Dec 27, 2007 | Toshiba Satellite A105 Notebook

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