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USB C Power delivery charge stop working on T470S

T430 and later, plus T530 and later series specific matters only
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dlag
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Joined: Sat Aug 29, 2020 10:36 am
Location: Alicante, España

USB C Power delivery charge stop working on T470S

#1 Post by dlag » Sat Aug 29, 2020 10:53 am

I have a powerbank compatible with USB c and power delivery that has no more than a year. With smartphones do the quick charge well, but recently I tried to charge my T470s using USB C with it and doesn't charge anymore (Used to work). When is connected PB and the T470s makes a led signal but rapidly turns off.
How can I diagnosis the hardware? I want to make sure is a hw issue and it's the ThinkPad.

dr_st
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Re: USB C Power delivery charge stop working on T470S

#2 Post by dr_st » Sat Aug 29, 2020 1:57 pm

Welcome to the forum. :)

Do you have a normal USB-C charger that connects to a wall outlet (a genuine Lenovo or other brand)? You could see if that still works.
Thinkpad 25 (20K7), T490 (20N3), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU

dlag
Posts: 3
Joined: Sat Aug 29, 2020 10:36 am
Location: Alicante, España

Re: USB C Power delivery charge stop working on T470S

#3 Post by dlag » Sat Aug 29, 2020 4:46 pm

dr_st wrote:
Sat Aug 29, 2020 1:57 pm
Welcome to the forum. :)

Do you have a normal USB-C charger that connects to a wall outlet (a genuine Lenovo or other brand)? You could see if that still works.
No. I will buy a usbC to usbC cable for test with the PB.

dlag
Posts: 3
Joined: Sat Aug 29, 2020 10:36 am
Location: Alicante, España

Re: USB C Power delivery charge stop working on T470S

#4 Post by dlag » Mon Aug 31, 2020 10:35 am

dlag wrote:
Sat Aug 29, 2020 4:46 pm
dr_st wrote:
Sat Aug 29, 2020 1:57 pm
Welcome to the forum. :)

Do you have a normal USB-C charger that connects to a wall outlet (a genuine Lenovo or other brand)? You could see if that still works.
No. I will buy a usbC to usbC cable for test with the PB.
By changing the usb cable now works. Any case is strange that usbC to Usb cable works with smartphone and with laptop (before), but no now.

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