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Replace blown fuse

No current could enter into the motherboard of my toshiba satelite A75, but inotice that the fuse the connect the charger to the motherboard on the board as blown. So, please what could be the cause?

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  • Toshiba Master
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Power supply sent a spike.replace power supply

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SOURCE: Toshiba Satellite A75-S226 Notebook PC can i get mother board for this ?

Well I did a google search on A75 series and found that this is a manufacturing issue and that Toshiba should call back the laptop or provide a replacement free of cost.

What happens is that there are two cooling fan at the bottom of the laptop and the works as vacum cleaner..it blocks the heat vent and overheat the system and shuts down...at some point it does affect the powersupply and the hardware guy only has to say that we need to replace the motherboard, so if the motherboard if messed up coz of the way laptop is designed then Toshiba should replace the part.

Posted on Feb 27, 2008

SOURCE: Toshiba Satelite A75-S209 pc

formatting with new windows cd

Posted on Sep 01, 2008

pankaj_dic
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SOURCE: Video on Toshiba Satellite A75-S209

check the display on external monitor through the vga port of the laptop,

Posted on Oct 26, 2008

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SOURCE: battery not charging

It should be marked on the fuse or the board either next to or under the fuse. Before you replace it, find out what blew it. Otherwise, you could blow something else out.

Posted on Mar 20, 2009

jcameo7270
  • 675 Answers

SOURCE: wanted Toshiba Satellite A75-S209 17"

I had an old thinkpad that i needed a screen for...i believe I ordered it off ebay...and it was under 100 dollars...go to ebay and try it

Posted on Jun 11, 2011

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1 Answer

My tosiba satelite a75-5209 not switch on


It could be a faulty battery. Remove the battery & try to power up the laptop.
If the laptop did not power up after removing the battery, then notice the power receptacle where you plug the power adapter's cord to the laptop. While plugging the power cord in, notice if there is a spark occurring at the power receptacle. If the spark occurs, then disconnect internal drives & connectors one at a time until subsystem with short is identified. If power input still a short with bare motherboard, replace the motherboard. If the spark did not occur, then inspect the boards for burnt or melted components, cold solder on DC jack, open connections, or unseated cards.

Feb 06, 2011 | Toshiba Satellite A75-S209 Notebook

3 Answers

Can't charge battery


Remove the battery and try if the PC turn on connecting to direct currrent.
If it turn on (whitout battery), the issue should be a connector problem or a damaged internal recargher.

Oct 19, 2009 | Toshiba Satellite A75-S2112: A75-S2112...

1 Answer

Reboot to factory settings w/o startup disk Satelite A75-S1253


Hi there,
If it has a recovery partition you should be able to access it by pressing the 0 key while powering the laptop on. Give that a shot and see if the Toshiba recovery wizard comes up.

Jul 20, 2009 | Computers & Internet

1 Answer

Battery not charging


It should be marked on the fuse or the board either next to or under the fuse. Before you replace it, find out what blew it. Otherwise, you could blow something else out.

Feb 21, 2009 | Toshiba Satellite A75-S209 Notebook

2 Answers

Screen black & with no power


hi there,

you can follow this instruction and try to your laptop to resolved the problem.

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with Toshiba Satellite M35X and Toshiba Satellite A70/A75 notebooks. If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN jack on the system board. If it’s still under warranty, it would be fixed at no charge to you.
Problem symptoms:
  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. Toshiba Satellite M35X and Toshiba Satellite A70/A75 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system board with a magnifying glass. In most cases you get the power problem because of a bad connection between the DC jack and the system board, you’ll see a crack between the DC jack connector and the system board.
Here is an example of Toshiba Satellite M35X power jack. The crack occurs between the DC jack pin and the system board.
satellite-m35x-crack.jpg satellite-m35x-contact.jpg In some cases the connection is good, but the DC jack is bad itself. You can find a new DC jack for Toshiba Satellite M35X and Toshiba Satellite A70/A75 laptops here. Search for DC jack M35X or DC jack A75.
How to resolder laptop power jack yourself.
UPDATE:
Sometimes, after you replace the jack, you can see that the system board doesn’t get power at all. The battery will not charge and the power LED will not light when you plug in the AC adapter. So, here’s a possible explanation.
When a connection between the positive pin and the motherboard breaks (cracks), the power jack gets loose. You can feel it when you plug in the adapter plug. A loose power jack can damage the trace inside the hole in the system board. Take a look at the picture.
power-jack.gif As you see, the positive pin goes through the hole in the system board and you solder it on the top side. Right? What if the trace between the top side and the bottom side is broken somewhere inside the hole? I’ve seen it before a few times. In this case everything looks nice and clean on the top side. When you plug in the AC adapter, you get normal voltage readings between “+” and “-“ pins on the top side, but the power DOESN’T go to the motherboard at all, because there is no connection between the top and bottom sides. Test with a multimeter if there is a connection between the top and the bottom.
If the trace inside the hole is broken you still can fix it. You can run a wire to connect the top and the bottom sides. Be careful not to short something on the board.
Update:
Here’s another solution to fix the power jack problem, it shows how to relocate the power jack outside the laptop base. Check it out here: Toshiba Satellite A75 failed power jack workaround.
When you repair a loose power jack, it’s a good idea to check the jack on both sides of the motherboard. When you remove the top cover from a Toshiba Satellite A70/A75 laptop you can see only points where the jack is soldered to the motherboard as it shown on the second picture in this post, but you cannot see the jack itself as it shown on the first picture.
Removing the motherboard from Satellite A70/A75 laptop is a good idea because the jack itself might has a broken “+” pin, as it shown on the picture below. If the “+” broke off the base, you’ll have to replace the jack.
power-jack-broken.jpg

Feb 15, 2009 | Toshiba Satellite A75-S229 Notebook

3 Answers

Toshiba Satellite L305 cmos password


Open it up ,. Take out the battery. Short the battery terminals. Reinstall the battery. Nolonger a Bios pass word. 

Jan 04, 2009 | Computers & Internet

1 Answer

A brobblem with my chrger


Here is the replacement Toshiba Satellite A75-S209 A75-S2112 AC Power ..



Part number: PA3290U-2ACA, or PA3290E-2ACA

Dec 20, 2008 | Toshiba Satellite A75-S209 Notebook

1 Answer

Video on Toshiba Satellite A75-S209


check the display on external monitor through the vga port of the laptop,

Jul 17, 2008 | Toshiba Satellite A75-S209 Notebook

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