What's going on ,4 hours sleep costs 20% battery

Discussion in 'Microsoft Surface Pro 3' started by yonghong, Jul 6, 2014.

  1. yonghong

    yonghong Member

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    I just got the SP3 a few days, the battery is drained so fast, mines battery only last 5 hours maximum , and this morning I charged it 100% then put SP3 in my bag ,go to work, but in 4 hours I took it out and found the battery is only 80%, what's going on I didn't use it , just put it into sleep, it costs so much power. Can somebody help me out please?

    Yong
     
  2. yonghong

    yonghong Member

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    BTW , when I took it out from sleeve, I felt SP3 was a little warm, and check task manager, only Microsoft windows search indexer cost 2% cpu,can I disable this services?
     
  3. daniielrp

    daniielrp Active Member

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    Can you check your event viewer to see if it woke at all during the 4 hours?
     
  4. leeshor

    leeshor Well-Known Member

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    Do you gave an SD card installed? If so, see if the same thing happens if you remove it. A corrupt or bad card could cause that. Possibly even the internal storage which can be easily checks with the disk tools.
     
  5. yonghong

    yonghong Member

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    I checked , nothing there, and 3 hours stand by, I put SP3 to sleep this afternoon, cost 15% battery. Is this normal, or SP3 ' sleep is not a real sleep?
     
  6. yonghong

    yonghong Member

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    I do put a 4g sd card inside , I have 5 email accounts were setup by metro mail app,and I setup it when new email arrive then download it
     
  7. yonghong

    yonghong Member

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    Both stand by ,4 hours in the morning (20% battery)and 3 hours in the afternoon(15%) are a little warm when I took it out from sleeve,
     
  8. jnjroach

    jnjroach Administrator Staff Member

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    Something, a driver or store application it's preventing your tablet from going into hibernation if it is consistently happening at the four hour mark as that is the time the device modes from Connected Standby to hibernation or something is preventing it from actually entering Connected Standby.
    From an elevated CMD PROMPT run powercfg sleep study copy the html file from the System 32 folder and open it in IE
     
  9. yonghong

    yonghong Member

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    I shut it down, and restart it then put it sleep for 1 hour, see what happens
     
  10. yonghong

    yonghong Member

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    Thanks I will try it later
     
  11. yonghong

    yonghong Member

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    All my system and drivers are updated, and I change wifi card to maximum performs according to the suggestion .
     
  12. jnjroach

    jnjroach Administrator Staff Member

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    One of the issues with attempting the WiFi Work-arounds is that we don't know what the impact will be on battery life and Connected Standby. Rumor is that we should see a WiFi fix very soon from MS (maybe as soon as Tuesday which is the normal patch day).
     

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