Pen intermittently not working?

Discussion in 'Microsoft Surface Pro 3' started by buckstar, Sep 9, 2014.

  1. orgoburns

    orgoburns New Member

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    Thank you ashcanpete!! You are a god!
     
  2. Trecchi

    Trecchi New Member

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    anyone can explain me how take off the matal tip?
     
  3. jnjroach

    jnjroach Administrator Staff Member

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    Pull the tip off by pulling straight with tweezers, you nail or the Tip Kit (if yours came with it).
     
  4. Nahid

    Nahid New Member

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    hello, I just have got the same problem with my surface pro 3 pen. but I cant unscrew the top compartment of my pen. its too hard. I use pliers with rubber band but it didn't work. and also I ended up scratching my pen. Is there any other suggestion or easy way to unscrew my sp3 pen?
    Thank You.
     
  5. liannamae

    liannamae New Member

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    Literally JUST made an account to post thank you for this tiny but totally game-changing fix. My pen was the source of my ultimate anger and frustration when it comes to this machine (along with all the display and touch bugs, actually the list is very long) but this at least makes it a salvageable until I can save for a new device.

    I ended up not being successful with the rubber band on the tip of the pen... instead I used the middle section of these pliers with the teeth that bit the pen up bad. Then wrapped the shaft with rubber bands and twisted like there was no tomorrow. it basically ruined the looks of the tip so I filed the burrs with high grit sand paper so it would be smooth again.

    I might even sand the whole thing and polish it because it looks actually rather nice.
    IMG_1429[1].JPG IMG_1431[1].JPG 81nMKgWsJBL._SL1500_[1].jpg
     
  6. PostAccounting

    PostAccounting New Member

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    Add me to the list of those that had to create an account to express my thanks to you for sharing this, thank you ashcanpete! I must have the older SP3 pen as well, I can attest it was a pain to get that tip unscrewed (doubled up rubber band on just that area, and squeezed like h*** to turn. I recommend taking the back part of the pen off with the clip, as I almost twisted that off on accident.

    To note: when attempting this, I couldn't get the pen to work without the cap, not sure if that was user related or systematic. I was dubious that it was going to work for me, because I couldn't get the pen cursor thing to show up after I reinstalled the hardware piece; went ahead and screwed the cap back on and tried again (I might have restarted computer and dropped/reconnected bluetooth connection, now that I think about it) and it worked; thank goodness because it was on the way to the garbage can if it didn't work!

    For me, it did scratch up the pen quite a bit, but to be completely honest, it was either this works in fixing it, or it was going in the garbage. I couldn't get but maybe 5 min of pen working in between 20-30 attempts; I hadn't used the pen in months just for the fact that it infuriated me how it would work for a few minutes then just quit for no apparent reason. Unscrewing cap.. new batteries.. nothing else seemed to work.

    I've been using the pen without a single failure for about 3 hours now, which would be absolutely unbelievable before taking those steps. Thank you!!! If I happen to have intermittent failures again in the near future, I will repost.
     
  7. cadder

    cadder New Member

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    Done this, but still experiencing problems. Only unscrewing the main battery does get to work the pen again.
     
  8. Tom 44

    Tom 44 New Member

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    After trying almost everything -- including buying a second (newer model) pen -- I've narrowed it down to most likely being my use of a third party charger for the Surface Pro itself. Whenever the charging cable is connected and it is charging, the pen is "choppy." Whenever the charging cable is not connected and/or the battery is fully charged, the pen is fast and smooth as it should be. My solution for now is to charge whenever I'm not using the Surface Pro, and unplug while I'm using it for pen things. I guess an alternative would be to buy another OEM charger (my original died).

    For me, the Surface seemed to be dropping the pen connection every few tenths of a second because the computer was "busy thinking." I tried monitoring system processes, turning of wifi, turning off other bluetooth devices, etc. to isolate the culprit. I finally noticed the correlation with my third-party charger. In fact, I have two different brands of third-party chargers (one at work and one at home), and the problem exists for both! I don't know the underlying cause, but it must be that some Windows system process for monitoring battery life and charging has hiccups when not using the OEM charger, and for some reason these hiccups also disrupt *something* about the pen connection -- either the bluetooth itself, or the screen response to the pen's proximity, etc.

    I'll update the post if this hypothesis does not hold up over the long term -- i.e., if I ever get the choppy pen behavior when the third-party charger is disconnected.
     
  9. Wayne Orwig

    Wayne Orwig Active Member

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    Probably conducted EMI. Under load, the power supply is likely creating enough electrical noise that it messes with the pen operating frequency. If you can find access to a LARGE ferrite bead, as you often see molded into cables, you might try putting one of the DC output side of the power supply. At those frequencies, the larger the better, and a couple of loops through the bead are better.
     

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