Surface Pro (1st Gen) Does Not Turn On

I cannot get the Windows Surface Pro to turn on.  It did yesterday once for 3 seconds but it turned back off.  I have had it plugged in overnight but still cannot get the unit to turn on.  I have held down the button for 30 Seconds.  I have held down the volume and power for 30 seconds.

I'm not sure how it should act, but when I plug in the power connector, the light flashes, then turns solid (it stays white).  Suggestions?
Scott ThompsonComputer Technician / OwnerAsked:
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Mark BillExchange, AD, SQL, VMware, HPE, 3PAR, FUD, Anti MS Tekhnet, Pro EE, #1Commented:
did you try holding the volume up and power button together for 10 seconds whilst plugged in?
Have you tried a second power source?

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Dr. KlahnPrincipal Software EngineerCommented:
The power supply appears to be operating, since the charge light is coming on.  The symptoms you've described (came on briefly, then no more after that) suggest either:

  • A problem in the internal charging circuitry.  The internal regulator has failed, resulting in the system not operating and the battery going dead.
  • A completely dead battery which is past the point of recovery, and the battery's internal protection circuitry has locked it out resulting in the system not starting up.

The only way to find out which one is the situation is to take it to a qualified repair shop, have them open it up and do a differential diagnosis.  In this case the differential diagnosis would be to swap the battery pack and see if the problem goes away.

a) If so, bad battery and the problem is resolved.
b) If not, bad internal charging circuitry and with repair time at $100/hour and up it might well end up being cheaper to buy a replacement unit than to fix this one.
Scott ThompsonComputer Technician / OwnerAuthor Commented:
Thank you for your suggestions.  I'm going to disassemble it and test the battery.  I will post when I get a chance.
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Scott ThompsonComputer Technician / OwnerAuthor Commented:
I have disassembled the Surface Pro.  If you haven't guessed already, it's NOT fun.  I did do it successfully as far as I know without busting anything.  I tested the battery with a  multi-meter.  It's supposed to be a 7.4V battery, but it tests at 5.7V.  Now I don't know if that's because the battery is bad or the motherboard is not charging the battery, but I ordered a new battery in, so we will see what happens.
Scott ThompsonComputer Technician / OwnerAuthor Commented:
UPDATE!  The battery came in and I CAN get the tablet to turn on!  HOWEVER, even though the battery shows as charging when I plug in the AC adapter, the percentage was going down!  I have ordered an AD adapter in the hopes that the charger just doesn't put out enough current.  Otherwise I fear it is the motherboard.  I will keep you updated.
Scott ThompsonComputer Technician / OwnerAuthor Commented:
Turns out that the issue was actually the charging cable itself.  Without having another cable here, it was impossible to determine this.  I will re-select proper solutions.
Scott ThompsonComputer Technician / OwnerAuthor Commented:
The AC Adapter was putting out power, but not enough to charge the internal battery.  A replacement charger repaired this issue.
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