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What's DOS?
Posts: 1
Registered: ‎09-26-2017
Location: VN
Message 101 of 141 (2,976 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

I am from VietNam. My company just bought 116 laptops lenovo T470. But they got the same issue when they run without battery. I tried to update the latest BIOS version 3.19 but the issue still presist.

Following the instruction above, I unplug the extend battery, it work so fast.

Hopefully, Lenovo can have the solution or release the new BIOS version for fix this issue.

 

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Lenovo Employee
Posts: 34
Registered: ‎06-13-2008
Location: SK
Message 102 of 141 (2,945 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

Hi All, here is my today's update: If the BIOS passes all internal tests, I expect it to be available on the web early next week.
Paper Tape
Posts: 14
Registered: ‎09-20-2017
Location: US
Message 103 of 141 (2,613 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

That's solid news. Although, I already have another a battery coming from Lenovo support Smiley Happy Regardless, Lenovo's great!
Paper Tape
Posts: 2
Registered: ‎09-23-2017
Location: US
Message 104 of 141 (2,387 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

Any updates on the tests results?
Paper Tape
Posts: 14
Registered: ‎09-20-2017
Location: US
Message 105 of 141 (2,383 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

I'm waiting on this BIOS update...

SCSI Port
Posts: 32
Registered: ‎10-30-2015
Location: NL
Message 106 of 141 (2,307 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

I still haven't received my replacement battery from Lenovo and support is not communicating any status updates. MTSA status is: HP Hold for parts.

Lenovo Employee
Posts: 34
Registered: ‎06-13-2008
Location: SK
Message 107 of 141 (2,285 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

Hi All, so the battery fix is confirmed and and the BIOS was meant to be released last week, but we have to fix another issue and that is why we will release the formal BIOS early next week. Pls be patient and sorry for the inconvenience guys.
SCSI Port
Posts: 32
Registered: ‎10-30-2015
Location: NL
Message 108 of 141 (2,262 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

Sucks. I cannot use my laptop anywhere without external power now.
Fanfold Paper
Posts: 21
Registered: ‎09-11-2017
Location: GB
Message 109 of 141 (2,254 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

just unclick the external battery. You'll have half the run time but you'll have a laptop that functions normally

SCSI Port
Posts: 32
Registered: ‎10-30-2015
Location: NL
Message 110 of 141 (2,248 Views)

Re: Lenovo T470 (Core i5 7200u)- Slow performance on battery

That's not a solution when I need more than a few hours on the go.
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