Hello,
I have a dell c640. Just replaced battery and when I have it plugged
into the laptop, and plug charging cord in, the charging indicator
flashes orange twice rapidly then green. it cycles like this until I
unplug it. then when I return the plug it is a solid green. What does
this mean? Also, it does not charge when the laptop is powered down. The laptop only appears to be charging when it is powered up.
This sounds like it is not getting enough amperage from the power brick- check which model power brick you have. I'm not 100% sure but the pa-6 family may not provide enough power to charge and run the laptop at the same time. the PA-9 should- if it's rated at 4.51 @20v - that works out to about 90watt. If you DO have a 90 watt power adapter and it's still giving the orange then red flashes- and will not charge when the laptop is off- you probably have either a bad battery, or the motherboard is faulty and has a bad charge circuit, or a loose power jack. What does pressing the little button next to the charge indicator on the battery do? Flashing every other led- 1,3,5 is BAD, so is 1 and 5. You also might have a 3rd party refurb- that had the guts torn out and is not properly "seen" by the laptop.
to say the least - that is strange. try upgrading to the latest bios via dell for the d640 and see if that helps. other than that- I don't really know without diagnosing it in person and trying different things in person.
my battery just started doing the same thing- looks like it's yet another crapped out battery due to an internal counter IN the battery- you get about 200 charge cycles and then it STOPS WORKING. Thanks for nothing Dell. The batteries are fine- but the charge circuit stops letting it charge or drain the battery- you're screwed- look for a new one- used ones can go at any time it seems...Another great marketing ploy to increase their consumables profits.
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THE BATTERY SEEMS TO CHARGE UP WHEN THE LAPTOP IS POWERED ON, BUT NOT WHEN SHUT DOWN.
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