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pls first confirm the charger is working or not and then kindly leave the pda for like 2 hours on charge it will start charging , when u store these devices for longer period kindly fully charge the battery and then store , when battery drains during non use it drops to a certain level from where it might come back or might not , pls leave the battery on charge for like 2 or 3 hours first and then u will see charging signs or light
This PDA is relatively difficult to take apart. I've done it myself and it was very difficult. It is not recommended by any means because you can seriously mess up your ipaq by taking it apart. On the site I gave you after you buy and receive the replacement backup battery, if you do it yourself, will give you a site to get instructions from. You can also send it in to have it done professionally.
my isp>add a new modem conn>connection name (whatever)>modem : cellular line(gprs)>access point : bplgprs.com (case sensitive)>user name: bplmobile>password: blank>advanced>servers> use specific server : DNS: 220.127.116.11> alter DNS : 18.104.22.168 >OK
I also tried re-soldering joint L781 on the main power control board (see Solutions #2 and #7). It worked. My 15 inch Dell flat panel LCD is working again, white screen gone. The solder around the pin did looked different to to the other joints...a very slight gap around the pin as though it wasn't contacting properly. To locate L781, look at the bottom of the PCB (the side with the soldering) with the power plug socket at the edge closest to you. L781 is in the top left quadrant of the board, about 2 inches in from left, 1 inch down from the top. For good measure, I also tried the solution that suggested trimming a millimeter of the end of the two data ribbons that plug into the smaller control board, although I couldn't see anything wrong with the data ribbons. I did this at the same time as resoldering L781 so not sure if it made any difference.
It is a knows issue for the backup battery not to take charge once they reache 0%. The backup battery is a pretty crappy NiCD cell. As the job it is supposed to do is pretty important I recomand to have it changed. For most PDA's this is a standard 3V battery. You should have your pda dissasembled and either have the battery manually charged (to see if the PDA can handle it later) or simply have it changed. This shouldn't be an expensive repair. For more info, feel free to reply. Good luck.
-are all pda's this way?
All PocketPCs are this way. I don't own a P**m so I can't speak to them.
-When the main battery depletes to the point where the unit shuts off how long do you have before data is lost?
Until the backup battery dies.
-Is the backup battery just used when changing main batteries or does it take over when the main battery goes dead? If so how long do you have before it is dead?
I've never had it happen, so I cannot say how long, but if you continue to try to use the PDA on the backup battery it won't be long (minutes) if it even lets you do that. The backup is there to bridge over battery changes and to act as a safety net if you run the main batteries totally flat.
-does the backup battery recharge or does it have to be replaced?
-with a fully charged unit how long can it be left off before data is lost?
Depends on the machine. Most of us leave the thing in the charger overnight every night, so this issue doesn't come up. You could try an experiment for 1, 2, 3 days, looking each day at the battery remaining and work up an estimate. I would expect maybe a week or more. Remember, even "off" the machine is still drawing power to maintain the RAM memory.