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T480 will not power on

T430 and later, plus T530 and later series specific matters only
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baertracks
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T480 will not power on

#1 Post by baertracks » Wed Sep 25, 2019 12:54 pm

This T480 laptop (use by my wife) has been working perfectly for almost one year. Suddenly, it will not power on. When I attach the charger I do not see "three blinks" in the logo, nor do I see a "power charge amber light."

I've tried removing the battery and un-plugging the charge clicking the power button twenty times.

I've tried resetting the "reset button" through the tiny hole on the bottom of the laptop using a pin.

At one point I did see an amber charge light, and the bottom of the laptop became quite hot. But then that quit (both heat and light) after about ten minutes. And I haven't been able to duplicate that result again.

Any suggestions before I call Lenovo? The laptop is under warranty until 2021.

Thsnks! -FRANK

theterminator93
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Re: T480 will not power on

#2 Post by theterminator93 » Wed Sep 25, 2019 2:59 pm

Can you verify the charger works on another machine? I'd start there; if it works then I'd call Lenovo. If not... see if you can find a known good charger and try it with the T480.
T480 | T25 | W520 i7-2860QM·Quadro 2000m·IPS FHD | T601F T9900·NVS 140m·LED AFFS UXGA
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baertracks
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Re: T480 will not power on

#3 Post by baertracks » Wed Sep 25, 2019 3:54 pm

Thanks for the suggestion.
No, I don't have access to another laptop (at the moment) that uses that same charger (USB C).
I did, however, try to connect a power bank with a USB C cable to the laptop, and nothing lit up.
We are "on the road" at the moment, so I may have to wait until we get home on Friday for more testing.
FRANK

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