Re: iPAQ 3660 not responding to anything after beingunused for several months

I'm not sure about the 3660, but there's a "hard boot" button sequence that 
brings my 3950 back up when the battery is flat. It's something 
like: "PowerButton-LeftButton-RightButton" and then pressing the hard reset 
with the pen at the bottom. You need about five hands to do this.


On Wednesday 17 October 2007 08:22, Papupata wrote:
> I left it connected to charger overnight. At the morning, power led was not
> anymore blinking, it was steady on. That's all, I still can't turn that ...
> thing on. This is something else than battery issue.
>
> Frustrated Papu
>
> On 10/16/07, Heiko Graf <[email protected]> wrote:
> >  Right. The iPAQ won´t run without internal battery. There is no circuit
> > or bypass, that swaps between power-supply and battery, so you are
> > simultaneously recharging the battery and consuming capacity. If a cell
> > is broken, your iPAQ does not get the power from power supply, which runs
> > through the cells. That's why a jacket only helps if at least **SOME**
> > capacity of the internal cells is left. The jacket permanently recharges
> > the internal cells and keeps this little capacity up.
> >
> >
> >
> > Be careful, when connecting the power supplay directly to the contacts of
> > the battery. Requiered data for recharging electronical devices is
> > different from those required to run them.
> >
> >
> >
> > Greetings, Heiko
> >
> > * *
> >
> > *Von:* [email protected] [mailto:
> > [email protected]] *Im Auftrag von *Papupata
> > *Gesendet:* Dienstag, 16. Oktober 2007 11:00
> > *An:* [email protected]
> > *Cc:* [email protected]
> > *Betreff:* Re: [Familiar] iPAQ 3660 not responding to anything after
> > beingunused for several months
> >
> >
> >
> > Even if battery is totally empty, it should't prevent ipaq from starting,
> > right? If it does, can I fake ipaq to think it has the battery, although
> > it does not have it connected? (I don't need battery)
> >
> > When I remove the internal battery, there is no sign of life whatever.
> >
> > Papu
> >
> > On 10/16/07, *[email protected]* <[email protected] >
> > wrote:
> >
> > Papupata wrote ..
> >
> > > Thanks for reply. iPAQ was switched off with the dip-switch and I have
> > > recharged it over night without luck. So I don't think it's a battery
> >
> > issue.
> >
> > > Papu
> > >
> > > On 10/15/07, Heiko Graf <[email protected] > wrote:
> > > >  *I once had the same problem – seams that your battery was
> >
> > completeley
> >
> > > > empty and may be damaged. To prevent this, you should have switched
> >
> > your
> >
> > > > iPAQ off with the "dip-switch", which pysically disconnects the
> >
> > battery (no
> >
> > > > discharging, no recharging in this state).*
> > > >
> > > > * *
> > > >
> > > > *Try recharging the battery for a while without switching your device
> >
> > on.
> >
> > > > Mayby you can revive your battery. Anyway you will experience a
> >
> > dramatically
> >
> > > > shortened uptime of your battery until you have to recharge. Consider
> >
> > bying
> >
> > > > a jacket (with WLAN and Card-slots) or a new internal battery.*
> > > >
> > > > * *
> >
> > I must repectfully disagree. Li-Ion batteries do no respond well to being
> > allowed to go totally flat. . .and flat they will go whether the  batt
> > switch is on or off. They generally will self-discharge as much as ten
> > percent per day. I don't know what condition your battery was in when you
> > left it into "retirement", but this  may well have been it's 'death
> > knell'. Changing the battery on a 3600 is relatively trivial, and cheap.
> > There are complete picture instructions on the 'net'. There's no realy
> > danger of leaving it a brick since you have already flashed Familiar onto
> > the ROM. Cheers,
> >    Bob Perron
> >
> > > > *Changing the internal battery may brick your iPAQ and … you will
> >
> > loose
> >
> > > > your warranty…just kidding…*
> > > >
> > > > *Hope, you will have success in recharging your iPAQ!*
> > > >
> > > > * *
> > > >
> > > > *Greetings, Heiko.*
> > > >
> > > > * *
> > > >
> > > > *Von:* [email protected] [mailto:
> > > > [email protected]] *Im Auftrag von *Papupata
> > > > *Gesendet:* Montag, 15. Oktober 2007 09:53
> > > > *An:* [email protected]
> > > > *Betreff:* [Familiar] iPAQ 3660 not responding to anything after
> > > > being unused for several months
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > > I have an old 3660 ipaq with familiar linux in it. It was left unused
> >
> > for
> >
> > > > several months and now it is not showing anything life in it. If I
> >
> > plug
> >
> > > > charger to it, power led starts to blink. If I press the reset
> > > > button,
> >
> > led
> >
> > > > will turn off and start blinking again after I release the button.
> >
> > That is
> >
> > > > all I can get out of it, it seems that I can't turn that on. Screen
> > > > is showing nothing, there is no serial output, power led only blinks.
> >
> > What I
> >
> > > > can do?

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