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3 Posts

05-29-2011

Prague, Czech Republic

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X220i drains battery when turned off

2011-05-29, 23:58 PM

My brand new X220i (type 4287-2QG) keeps losing battery power when turned off. Initially I thought that I just wasn’t turning it off properly and the battery was draining because of sleep or hibernation, but after some testing I am sure that it loses power even when turned off. I charged the battery to 100% and after two days there was only 85% which is definitely suspicious. I use preinstalled Windows 7 Pro 64bit with default power settings (always on USB is enabled, but not for hibernation and when turned off) and I didn’t do any changes to the BIOS. This issue is a real pain in the ass, so any advice will be welcome.

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Current ThinkPad: X220i
Past ThinkPads: X21, R60, SL300
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9605 Posts

12-27-2009

CA

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Re: X220i drains battery when turned off

2011-05-30, 2:36 AM
Try this: Turn it off, unplug the AC and battery, plug the battery back in. See if it still drains.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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12 Posts

07-30-2008

NJ, USA

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Re: X220i drains battery when turned off

2011-05-30, 3:48 AM

You may have wake on lan turn on in bios. Try this, go to the bios and turn off any "Wake on lan"

 

Boot to Windows, run "command prompt" as admin, then run:

 

powercfg /energy

 

after 60 sec, the test is finished. Now, in the C:\Windows\System32, there is a file called energy-report.html,make copy and paste to your desktop.

Open that file, it give you a full report if anything power setting related error or warning. Try to fix those problem and run the report again.

 

Back to command prompt, run:

 

powercfg /devicequery wake_armed

 

This tell you if any device that set to wake even the machine is sleep or off. Turn them off in device manager.

Uncheck anything that "Allow this device to wak ecomputer".

 

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3 Posts

05-29-2011

Prague, Czech Republic

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Re: X220i drains battery when turned off

2011-05-30, 10:07 AM

Thanks for the tip, I had no Idea there was such a command in the command prompt. The "powercfg/energy" gave me 2 errors ("CPU Utilization:Processor utilization is high, Average Utilization 10.29%" and "PCI Express Active-State Power Management (ASPM) has been disabled due to a known incompatibility with the hardware in this computer."), but I believe they are both irrelevant since they should have no inpact when the device is turned off. Addtitionally there were 6 warnings about "CPU Utilization:Individual process with significant processor utilization".

 

Wake on LAN in BIOS was set to AC Only, so I changed i to Disabled. The "powercfg /devicequery wake_armed" command listed the network card, so I disabled the "Allow this device to wake the computer" feature in the device maanager and "powercfg /devicequery wake_armed" is now clean.

 

Just to be sure I've also disconnected and reconnected the power cable and the battery. Now I will leave the laptop unpplugged over night and I'll report back with the results in the morning.

Current ThinkPad: X220i
Past ThinkPads: X21, R60, SL300
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48 Posts

05-07-2011

karlsbad

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Re: X220i drains battery when turned off

2011-05-30, 21:36 PM

have you enabled, that you can switch the x220 with fingerprint sensor on? it takes 4% per night

0 person found this solution to be helpful.

This helped me too

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3 Posts

05-29-2011

Prague, Czech Republic

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Re: X220i drains battery when turned off

2011-05-31, 9:22 AM

Thanks a lot! The Fingerprint reader was the culprit.

Current ThinkPad: X220i
Past ThinkPads: X21, R60, SL300
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267 Posts

05-31-2011

San Francisco

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Re: X220i drains battery when turned off

2011-05-31, 18:15 PM

I hope Lenovo can improve this, such as turning power completely off while the screen lid is closed (I assume it doesn't?). Power up or resume with the fingerprint reader is one of my favorite features on the X220 but I don't want it to drain power when off for an extended time.

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267 Posts

05-31-2011

San Francisco

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  • Message 8 of 8

Re: X220i drains battery when turned off

2011-06-03, 17:47 PM

I discovered that if you briefly pull and reinsert the battery, the LED turns off and the fingerprint reader doesn't respond. I don't know if this means it is completely powered off, but it might be a workaround.

 

I'd like to see Lenovo implement it so that when the screen lid is closed, the fingerprint reader is completely shut down, but when you open the lid it activates and you can swipe to power up/resume. Then it would be the best of both worlds.

 

I've cross-posted this in the other thread: Fingerprint LED on when laptop has been turned off

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