Question about Toshiba Satellite A70 Notebook

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Toshiba Laptop Dark screen-cant really see it!! help!!

My laptop (Toshiba Satellite A70) screen went almost totaly black, you can kind of see the display a little bit under a lot of light and go into different programs on the laptop but it is very hard to see. Could the fact that i had my laptop on the carpet and i was vaccumming near it have anything to do with it? When i hook the laptop up to another screen, i can see the display perfectly. Do you know whats wrong with it? or how i can fix it??

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Sounds like your inverter is gone. The inverter supplies voltage to the backlights of your lcd.

Posted on Mar 27, 2008

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Posted on Jan 02, 2017

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My laptop screen is black, no light or picture at all. I can use an external moitor but the laptop monitor show s no form of life. Would this be my Inverter, my monitor/screen or something else.


First of all do you see anything on the screen, but really really dark, or is it pitch black. If you see something but it is black, then it is your screen backlit bulb and needs to be replaced. If it is just pitch black and nothing, then it mostly your inverter or a loose connection between your base to your screen since laptop tends to open and close alot.

Jan 17, 2011 | Toshiba Satellite M60 Notebook

1 Answer

My Toshiba Satellite A70-S256 PC Notebook no sounds coming from earphone jack or laptop speaker.


Just make sure the speaker looking icon at the right bottom corner of te screen doesn't have a red slash across it. If it does, move the cursor over it and click the left mouse button to remove it.

Hope that was the cause and helps.

ASH

Sep 22, 2010 | Toshiba Satellite A70-S256 PC Notebook

1 Answer

Hello, I am trying to trouble shoot a Toshiba Satellite a70-s256 laptop. When powered up, the lights go on but there is nothing on the screen. I am attempting to use an external monitor to further...


Hi Barb,

On the Toshiba A70 you should try holding down the fn key at lower left and pressing the F5 key which is the video transfer keyboard command for pretty much every Toshiba laptop. Otherwise, their little pictograms on the F keys almost always have a tiny representation of a laptop next to a monitor.

Hope this is helpful.

Sep 09, 2010 | Toshiba Satellite A70 Notebook

2 Answers

Laptop wont even attempt to load windows??


With this kind of problem, you must put in the Windows software disk and boot. Then select repair Windows from the list. This option will attempt to correct the problem.
If you do not have the disc, boot into the repair / diagnostic mode from the boot screen. See if there is an option to create boot disks.

Jan 04, 2010 | Toshiba Satellite A70 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

2 Answers

Cuts of


Becarefull,
Seems like your laptop is overheating, and it shutsdown as a way to protect the processor.
With a vaccum, **** the dirt that might be trapped in the fan or fans.
This should help.
If not, then you need to open laptop and perform a deep cleaning on the Heatsink, and apply fresh heat release compound on the processor.

Please don't forget to rate this answer if it helps

Nov 10, 2008 | Toshiba Satellite A70-S249 Notebook

1 Answer

A70 recover disc in A35 Laptop? (Toshiba Satellite)


Recovery disks are model-specific, mainly because they have different devices and drivers. Setup drivers are downloadable, and copied to a CD at an Internet cafe.

May 16, 2008 | Toshiba Satellite A35-S159 Notebook

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