Battery doesn't charge in Bootcamp with Windows 10, but charges in macOS High Sierra

Question

Level 2

308 points

Battery doesn't charge in Bootcamp with Windows 10, but charges in macOS High Sierra

Here's a strange one I can't figure out:

Bootcamp (Knows it's plugged in, MagSafe LED on, battery doesn't charge)

When I run Bootcamp with Windows 10, the Windows OS battery indicator knows the MagSafe plug is in, but reads "Not Charging" even though the MagSafe LED is green. And sure enough, the battery drains over time.

macOS (Everything charges fine)

But when I boot back into macOS High Sierra, everything charges normally. I tried this with three different MagSafe 2 85W power adapters, and it's the exact same problem.

Specs

MacBook Pro Retina 15" Mid-2015

macOS High Sierra 10.13 (everything updated in macOS)

Windows 10 Pro 64-bit (everything updated in Windows Update)

I also tried resetting the SMC, but no dice:

How to reset the System Management Controller (SMC) on your Mac - Apple Support

Any ideas on this one?

Posted on Oct 29, 2017 6:20 PM

Reply

Answer 1

Top-ranking reply

Loner T

Level 9

59,513 points

Oct 29, 2017 7:06 PM in response to g-pod

In Windows, does the MagSafe LED turn orange when battery is below 100%? In Windows Device Manager, do you see (example screen is from a W8.1 Mac).

Reply

Answer 2

Loner T

Level 9

59,513 points

Oct 31, 2017 5:25 AM in response to g-pod

On the Windows side, from an Admin CMD prompt, run

powercfg /batteryreport

and check if Windows sees the battery properly.

Reply

Answer 3

g-pod Author

Level 2

308 points

Oct 29, 2017 11:12 PM in response to Loner T

Yeah, the MagSafe LED turns orange when it's below 100%.

And my "Batteries" section in Device Manager is identical to your screenshot.

I should also note that in rare cases, it will read "X minutes until fully charged", though it has happened maybe two or three times, and I haven't been able to correlate it with anything.

Reply

Answer 4

g-pod Author

Level 2

308 points

Oct 30, 2017 10:49 PM in response to Loner T

Battery Information:

Charge Information:

Charge Remaining (mAh): 6783

Fully Charged: No

Charging: Yes

Full Charge Capacity (mAh): 8537

Health Information:

Cycle Count: 55

Condition: Normal

Battery Installed: Yes

Amperage (mA): -75

Voltage (mV): 12277

AC Charger Information:

Connected: Yes

ID: 0x0921

Wattage (W): 60

Family: 0x0085

Serial Number: 0x012cd283

Charging: Yes

Reply

Answer 5

g-pod Author

Level 2

308 points

Oct 31, 2017 10:04 PM in response to Loner T

Installed batteries

Information about each currently installed battery

CHEMISTRY	LION
DESIGN CAPACITY	87,550 mWh
FULL CHARGE CAPACITY	85,510 mWh
CYCLE COUNT	-

Recent usage

Power states over the last 3 days

START TIME	STATE	SOURCE	CAPACITY REMAINING
2017-10-2923:06:25	Active	Battery	74 %	63,320 mWh
23:07:56	Active	AC	75 %	64,120 mWh
23:14:05	Suspended	78 %	66,120 mWh
2017-10-3120:15:14	Active	AC	98 %	84,030 mWh
22:01:38	Report generated	AC	62 %	52,650 mWh

Reply

Answer 6

Loner T

Level 9

59,513 points

Oct 30, 2017 4:50 AM in response to g-pod

Can you check the System Report -> Power on the macOS side for any obvious indicators?

Reply

Answer 7

Loner T

Level 9

59,513 points

Nov 1, 2017 5:54 AM in response to g-pod

Does this correlate with your on-battery vs on-AC usage? The report will not show you the charging timestamps.

Reply

Answer 8

gchildX

Level 1

12 points

Dec 17, 2017 4:34 PM in response to g-pod

Did you ever figure out the issue? I am having the exact same problem. MacBook Pro 15 2017, charges perfectly in OSX, but in Windows 'Plugged in, Not charging.' It's got me stumped.

Reply