defrostie Posted November 16, 2017 Posted November 16, 2017 This is a strange one. Issue: Power cable does not seem to be sending any power to the laptop. So it doesn't charge the battery, nor does it allow the laptop to be powered on with the battery removed. To confirm all this, I have used identical batteries and power cables, with the same thing happening. The laptop is fully operationally and works fine with a charged up battery (I charged the battery using another laptop). The 'charge/power' LED indicator light on the front also doesn't light up... Which backs up the theory that there is no power being received by the laptop. I have swapped the power jack, which connects from the charger to the motherboard. I was 99% certain that this would fix the issue, but needless to say it hasn't. Has anyone ever come across a similar issue? The laptop is a Toshiba Sat Pro R50.
defrostie Posted November 16, 2017 Author Posted November 16, 2017 So no cable charges the laptop? Nope, no cable (not the original nor an identical one) will charge or power the laptop. The laptop works fine just using battery power (battery charged up in a different laptop).
LeMarchand Posted November 16, 2017 Posted November 16, 2017 Nope, no cable (not the original nor an identical one) will charge or power the laptop. The laptop works fine just using battery power (battery charged up in a different laptop). Like you, I'd have assumed the onboard jack. The only other thing I'd check is the battery contacts in the laptop - I've found 'em full of blutack.
defrostie Posted November 16, 2017 Author Posted November 16, 2017 Like you, I'd have assumed the onboard jack. The only other thing I'd check is the battery contacts in the laptop - I've found 'em full of blutack. Yeah, I've had the blutack one before! I'm thinking there must be a fault on the motherboard.
Mistert89 Posted November 16, 2017 Posted November 16, 2017 Had this before. There is usually a relay on the motherboard that switches between mains and battery. If this fails, you won’t feed power from your adaptor. Some local fixers will change these.
difinity Posted November 17, 2017 Posted November 17, 2017 Charging IC or shorted ceramic capacitor(s). Quite common and an easy fix.
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