Question about Toshiba Satellite M35X-S149 Notebook
This is a standard fault with the m35. In fact, it's so common that there is really no need of any voltage measurements or looking for new power adapters and batteries...
Here's a simple way to see what the problem is: wiggle the power plug when it's plugged into the laptop. If it wiggles up and down then you'll need to open the laptop, and resolder the power jack. I've seen literally thousands of complaints about this issue, and I had to repair my m35 twice for this same problem...and then a year later it died (LEDs blink, fan spins and in a matter of seconds everything shuts down). The power jack, together with the Maxim power regulating chip make the m35 a touch challenge, and an easy fix at the same time. I wrote an illustrated PDF tutorial for these two problems and it takes about an hour to dissemble the laptop, repair the motherboard and put everything together. If you're interested, go ahead and read up on how to repair a dead Toshiba m35 laptop.
Posted on Sep 07, 2010
First, you need to make sure your power adapter is providing enough
power to both run the laptop & charge the battery. A very good way
to do this is to compare your laptop voltage & ampere requirements
(written on a sticker on the bottom of the laptop) with the voltage
& ampere ratings of the power adapter. Voltages should be the same,
or the power adapter's voltage about up to 0.5 volts more than the
laptop's voltage rating. Amperage of the power adapter should be at
least equal to or greater than the laptop's rating. It should never be
less than the laptop's rating, or else the power adapter will be
providing insufficient amperes to charge the battery. Of course, the
power adapter's nominal amperage might be ok, but it degraded on usage.
You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.
Posted on Sep 06, 2010
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Posted on Jan 02, 2017
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