Question about HP Jornada 820

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Will not turn on

Resetting for 5+ sec did not bring the computer to life. Does the battery need to be installed for the 820 to turn on?
I have it connected to an Astron 12 volt power supply (16 amps) because the battery and cover are missing.

Larry Coblentz
larrycoblentz@gmail.com

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Don't do something or try to open your Blackberry phone. As you know, the circuitry of such cellphones are sensitive. I suggest that bring your unit to a Blackberry service center near you.

However, you may do this simple troubleshoot, turn off your unit, then remove the battery and install it back. This is one way of resetting or booting the system.

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Hello, did you turn off the bluetooth? have you changed your back light settings? If you want you can give me a call or send me an e-mail and i can walk you through the settings.

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My palm centro started going dead with a low battery signal literally overnight. I replaced the battery with a new one, and it still won't stay charged longer than 6 hours. Also the phone is now running...


I've had a Centro for 3 months and its such a let-down. Not only does the other caller find that my voice comes and goes randomly during calls but, like you, the battery started playing-up.

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hi thanks for using fixya!!

That's a bad thing. Did you let your phone dry on its own, you need to dry it for 48hours atleast. And you must remove the battery and avoid turning on the power.

In your case, it might already damaged the circuits inside, especially after it got wet, you turned the power on. I suggest you bring your phone to the service technician to open it, perhaps it will build some rusts inside of if.

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ok i had this isssue and figure out what to do. this is all afterm you know that you have a good charger and or battery.

1. completely turn of phone unplug charger.
2. take and put battery back in phone and plug charger.
3. hold hit camera button and power buton. phone will come on if the update was washed it will come straight on. if not you will see the blue LED dont worry yet. just keep holding for 15 sec.
4. while phone blue LED is still on hit and hold (drum Role) menu and track ball for 15 sec.
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# Phone Settings > Security > Auto Key Lock > Change your time from this menu. It maybe saying 10 seconds now.

The reason this was set this way, was to conserve battery life. You can view: http://rukikenishiro.com/2008/04/how-to-save-battery-life-on-lg-ku990.html
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4) Put battery and sim card again
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Can you try inserting the card and resetting the unit with the reset button. When the unit is back up got to start>programs>communications>remote networking then make a new connection. Choose dial up connection and select your card.

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