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X201s Low Static Electric Shocks coming from laptop.
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X201s Low Static Electric Shocks coming from laptop.
Hello everyone,
Since a while i'm getting small electric shocks when I'm typing on my keyboard from the fingerprint reader. Also touching the USB or any other metal gives me little electric shocks..
Is there anybody who could tell me what could be wrong?
Thank you
Since a while i'm getting small electric shocks when I'm typing on my keyboard from the fingerprint reader. Also touching the USB or any other metal gives me little electric shocks..
Is there anybody who could tell me what could be wrong?
Thank you
T42
T61 model 7663-2EG
X61
X201s
T450s
T61 model 7663-2EG
X61
X201s
T450s
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Re: X201s Low Static Electric Shocks coming from laptop.
No idea yet, but
1) start by swapping out the power supply.
2) Did you put in a knock-off battery? If so, remove/swap.
3) Check if the keyboard cable might be shorting against the chassis (put Kapton/Scotch tape on both cable sides, if unsure)
1) start by swapping out the power supply.
2) Did you put in a knock-off battery? If so, remove/swap.
3) Check if the keyboard cable might be shorting against the chassis (put Kapton/Scotch tape on both cable sides, if unsure)
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Re: X201s Low Static Electric Shocks coming from laptop.
I would guess that the outlet you have plugged into is not properly wired, or, the AC adapter is defective. You might be able to solve the problem by doing the following:
- Test the outlet to see if it is properly grounded. This can be done sometimes by using a "power outlet (or receptacle) test plug". Not sure if there is one designed for Dutch outlets but there may be. You could also call in a certified electrician to examine the wiring.
- Try reversing the power plug; i.e. rotate it 180 degrees. Either at the wall, or at the AC adapter. This will swap the hot/line/power and neutral lines.
- Try another AC adapter; it could be defective
- Isolate yourself from any metal that is in contact with your body. This could mean switching out a metal chair with a wooden one.
- Test the outlet to see if it is properly grounded. This can be done sometimes by using a "power outlet (or receptacle) test plug". Not sure if there is one designed for Dutch outlets but there may be. You could also call in a certified electrician to examine the wiring.
- Try reversing the power plug; i.e. rotate it 180 degrees. Either at the wall, or at the AC adapter. This will swap the hot/line/power and neutral lines.
- Try another AC adapter; it could be defective
- Isolate yourself from any metal that is in contact with your body. This could mean switching out a metal chair with a wooden one.
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X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.
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Re: X201s Low Static Electric Shocks coming from laptop.
I found that if I plug out the adapter I dont get any shocks so im suspecting the wiring to be not totally good here.
Thanks for the replies!
Thanks for the replies!
T42
T61 model 7663-2EG
X61
X201s
T450s
T61 model 7663-2EG
X61
X201s
T450s
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Re: X201s Low Static Electric Shocks coming from laptop.
Socket tester for Mainland Europe: http://www.groundology.co.uk/earthing/socket-tester-eu
Socket tester for UK/Ireland: http://www.maplin.co.uk/p/mains-socket-tester-wd53h
Socket tester for USA: https://www.amazon.com/Amprobe-ST-102B- ... B008E07HM2
Socket tester for UK/Ireland: http://www.maplin.co.uk/p/mains-socket-tester-wd53h
Socket tester for USA: https://www.amazon.com/Amprobe-ST-102B- ... B008E07HM2
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Re: X201s Low Static Electric Shocks coming from laptop.
The US-originated Thinkpad adapters that I have (and travel with) are 2-prong; they aren't grounded at the outlet. The big bonus is hugely decreased weight and volume for the AC cord. With less weight and size, the cord is 3x longer. Some people really want the 3-prong version;
https://forums.lenovo.com/t5/ThinkPad-P ... d-p/770127
The 170W adapters I use with the dock were bought in the Netherlands and have the earthed connection.
On the shocks; It's becoming winter again, which means cold air is heated up for inside use, and indoor humidity decreases. This makes it easier for yourself to be 'charged' and hence the shocks when you touch something metal. I have the same issue; if I touch a metal part of my desk, the water tap, a metal door knob, a metal kitchen appliance; shock, shock, shock. It's one of the reasons I hate low humidity. When humidity picks up again, these problems disappear. The amount you get 'charged' really also depends on what clothes you wear, what floor you have, what seat you sit on, how much you move, etc. Also how much ventilation you have, what air humidity is inside and outside, etc. Having a humidifier also works, but that costs energy. I've searched a bit on those, but the worst period is over before I buy anything..
https://forums.lenovo.com/t5/ThinkPad-P ... d-p/770127
The 170W adapters I use with the dock were bought in the Netherlands and have the earthed connection.
On the shocks; It's becoming winter again, which means cold air is heated up for inside use, and indoor humidity decreases. This makes it easier for yourself to be 'charged' and hence the shocks when you touch something metal. I have the same issue; if I touch a metal part of my desk, the water tap, a metal door knob, a metal kitchen appliance; shock, shock, shock. It's one of the reasons I hate low humidity. When humidity picks up again, these problems disappear. The amount you get 'charged' really also depends on what clothes you wear, what floor you have, what seat you sit on, how much you move, etc. Also how much ventilation you have, what air humidity is inside and outside, etc. Having a humidifier also works, but that costs energy. I've searched a bit on those, but the worst period is over before I buy anything..
W520
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T61
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Re: X201s Low Static Electric Shocks coming from laptop.
When in Europe, I get shocks from my machines IF using power bricks with 2-prong inputs. With 3-prong (triangular) input on the power brick I do not get shocks. Also, I do not get static when I talk on my land line and touch the computer.
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