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Hardware/OS: Acer TravelMate 5720 with Windows Vista. 1 GB RAM, sparingly used.
Last night I was browsing with the WLAN, on battery power and the power went low. I tried to charge it with the AC adapter, but it would not charge. So much so that the system shut down. All attempts to reboot failed, even with power cord plugged in. I then left the power cord connected for about 8 hrs, but the battery did not charge. The AC adapter light does go on. The open circuit output voltage of the adapter was measured and found to be 19.3V.
When I try to boot, with or without the power cord, the power light comes on for about 3 secs, the optical drive whirrs a bit and then the power shuts down. My guess is, it would boot if I could find a fully charged battery and replace the drained one. However, I suppose it still wouldn't charge inside the computer with the power cord connected.
Initial examination showed that the dc/dc convertor is on the main board, but I could not locate any serious power devices on it. The computer is well past warranty and I don't mind trying out some simple DIY fixes. Could you suggest something?
Another workaround that I have in mind is that if I can find an external charger for the battery, I could could buy a spare battery and keep swapping them every few hours or so. Is this a viable option? Are such accessories available? The Acer website is not very helpful in this regard.
Hope I have made myself reasonably clear.
I made a wise decision, got a bargain deal, and the next day found that my model was phased out.