Toshiba laptop won't boot.

xxxvegexxx · Jan 27, 2014

My laptop won't boot: lights are on, the fan is spinning but the screen is always black.
I've tried both removing the power and pressing the power button for 1 min and replacing the CMOS battery with a new one. Is there something else I can try or is the mobo gone?

tachybana · Jan 27, 2014

Did you remove the battery?

xxxvegexxx · Jan 27, 2014

tachybana :

Yes.

tachybana · Jan 27, 2014

If you're handy, try checking the memory modules. If it has more than two, try removing one and see if it boots.

xxxvegexxx · Jan 27, 2014

tachybana :

I removed both memory modules and I've put them back and the laptop still didn't work. Then I've removed one and left the other in but still nothing...

jarotech · Jan 27, 2014

Hi, did you try an external monitor?

xxxvegexxx · Jan 28, 2014

jarotech :

The display ain't the problem: on my laptop there's a little red light that turns on when the bios has booted and this light doesn't turn on anymore.

jarotech · Jan 28, 2014

What is the model number for your Toshiba.

xxxvegexxx · Jan 28, 2014

jarotech :

It is a satellite l500d-174.

jarotech · Jan 28, 2014

Remove the battery and try to boot again.

xxxvegexxx · Jan 28, 2014

jarotech :

Battery has been removed since the laptop stopped working so all the booting attempts were done without the battery.

jarotech · Jan 28, 2014

Ok, what LED does not light, is it the LED for the WLAN?

xxxvegexxx · Jan 28, 2014

Exactly, the WLAN LED ain't lighting.
The symbol under the LED is this one: http://us.123rf.com/400wm/400/400/medusa81/medusa811205/medusa81120500047/13830065-wireless-wlan-icon.jpg

jarotech · Jan 28, 2014

It seems that something on the motherboard is defective, the laptop won't event POST. The last thing you could do is to disassemble the laptop, with just the motherboard with the adapter and plug to an external monitor, try to boot, if you have nothing on the monitor, then some component is defective.

xxxvegexxx · Jan 29, 2014

jarotech :

The last thing that appeared on the monitor before it stopped working were some codes regarding HDD. It said that it wasn't able to recognize the HDD or something...

jarotech · Jan 29, 2014

You can remove the HDD to see if it will POST, but I doubt the HDD stop the laptop from booting.

xxxvegexxx · Jan 29, 2014

jarotech :

I've removed the HDD and turned the pc on but I still got the black screen. I've also inserted another HDD that I had from another broken laptop but still nothing. I guess the HDD ain't the problem.

jarotech · Jan 29, 2014

No, try to go in the BIOS.

xxxvegexxx · Jan 29, 2014

jarotech :

And how do I do that from a black screen?

jarotech · Jan 29, 2014

If you can go to the BIOS, the screen will not be black. The BIOS is somehow before and part of the POST or vice versa.

xxxvegexxx · Jan 29, 2014

jarotech :

I get it but how can I access the BIOS if when I power the laptop the screen stays black as nothing happened? Are there any key I should press?

jarotech · Jan 29, 2014

When you push the power, right after push F2 rapidly, but I'm sure it will not work, nothing to loose.

xxxvegexxx · Jan 30, 2014

jarotech :

It didn't work

xxxvegexxx · Jan 31, 2014

jarotech :

Do you think that the mobo failed and if yes how much would a new mobo for this laptop cost?

jarotech · Jan 31, 2014

xxxvegexxx :

Yes, something on the motherboard is defective, you will paid between US$75 and US$150 for the motherboard depending where it come from, without the cost of the shipping.

Toshiba laptop won't boot.

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