Question Toshiba laptop won’t run without power adapter plugged in ?

Apr 26, 2021
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I have a Toshiba laptop that won’t run on battery, even though it’s a new replacement battery. If you pull the power cord out, it dies instantly. It happens to be a Toshiba Satellite L755-S5110. Any suggestions on how to resolve this problem? Is it worth buying another battery to see if it’s a defective battery? (Unfortunately I don’t have any others around that I could swap out with it.) Is there an easy way to test the battery (say, with a voltmeter) to see if it has a charge? Thanks in advance!
 

lvt

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Is there an easy way to test the battery (say, with a voltmeter) to see if it has a charge?
Yes you can check the battery with a voltmeter or multimeter using 20V scale. Just look for the (+) and (-) connectors on the battery, if it has some charge your voltmeter should display it accordingly.
 
Laptop batteries may have proprietary circuitry need ed to run properly.
Send the battery back for a refund.
It may be defective, but, more likely, you bought a "compatible" replacement that is not truly the same as the original oem battery which will cost considerably more.
 
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lvt

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If it’s the latter, is there any hope? Any reasonable way to fix it?
If it’s the latter, is there any hope? Any reasonable way to fix it?
It depends on whether it's a separate part or it's a built-in component of the motherboard.

Anyway you should clean all the contacts on the battery and the computer using alcohol to make sure they are good. Then try to charge the battery overnight.
 
Apr 26, 2021
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A followup: it was the battery. I went ahead and ordered a new battery and it works. There's another issue with it but I will start a new thread to ask about that.
 
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