Question about Toshiba Satellite A305-S6859 Notebook
Just plain dead. No boot to bios. no lights come on. Nothing. Removed battery. Held power button down for 30 secs+. Retried and still nothing. Not AC power supply because I tried a new one and still nothing. Replaced AC plug inside laptop that connects external AC power supply to laptop. How do I know if motherboard is shot? Don't want to dump laptop yet. Sincerely, Chuck
Most of laptops batteries have electronics inside them wich test and transmit info about the battery itself. Maybe the fail is there and not in the laptop. Try with another battery befor dumping it.
Posted on Dec 01, 2012
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Posted on Jan 02, 2017
Try removing / swapping / reseating the memory.
Try booting with one stick only, if the top slot doesn't work, try booting the bottom slot. Try both sticks.
Let me know what happens.
Posted on Apr 04, 2010
Testimonial: "First step in a series to diagnose. On the journey. Useful thanks."
I seem to have the same problem. I have an a105-4134. Ive had since June of 2006 and ive kept it clean and have replaced several components throughout its life.
I was working on it few days ago until it just shut off. Confused, I press the power button thinking maybe the power adapter wasn't plugged all the way in and the battery depleted and it shut off. So now the computer will now power on. It lights up but shuts off within 1 second. Keeps doing this over and over.
My first thought was the dc jack as ive read it is common to be faulty after long use. I ordered a new one and unfortunately it was not the culprit. I then suspected the cheap aftermarket power adapter which replaced the dead oem power adapter. Bought a new one and experienced the exact same symptoms yet again.
Now I'm digging deep removing all components one by one. With each one I remove, I gain a few seconds of time that it will stay on before shutting off on its own. I powered it on with only the motherboard and cpu and it does the same thing.
From the original problem in this post, the cpu and motherboard were swapped out and same symptoms still occurred. This being the case, the only component left undiagnosed is the power board itself.
This is where I noticed that the computer will power up and run on battery power. The adapter plugged in will charge the battery but not power the computer while running. With this discovery it means that it cannot be any of the main components causing the problem.
Back to the power board, an obvious problem area seeing how this is tied in with power components. From the looks of it, it seems like a simple switch board but i may be wrong. My next step is to order a new power board. I will let you all know how it turns out.
Posted on Apr 13, 2010
Sounds like you already determined it, but if you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.
The power jack is inside the laptop and either needs soldering or replacement.
Hope this helps.
Posted on May 09, 2010
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