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ARM/N900/Recover From Drained Battery

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(Created page with "You suspect you have drained your battery - you suffer one or more of the following symptoms: - Device may be completely unresponsive with no signs of life - MeeGo or Maemo fai…")
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You suspect you have drained your battery - you suffer one or more of the following symptoms:
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==== Warning: This page is still under review ====
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=== You suspect you have drained your battery ===
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You see one or more of the following symptoms:
- Device may be completely unresponsive with no signs of life
- Device may be completely unresponsive with no signs of life
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- MeeGo or Maemo fail to boot up. The point of failure is random or attempts keep getting shorter
- MeeGo or Maemo fail to boot up. The point of failure is random or attempts keep getting shorter
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- Battery voltage may be 3.0-3.4V (you may know how to measure this)
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- Battery voltage may be 3.0-3.3V (you may know how to measure this)
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How to do that depends on how meego was installed into your device:
How to do that depends on how meego was installed into your device:
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In case you have a working dualboot configuration between Maemo 5 PR1.3 and MeeGo, it is easy:
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=== In case you have a working dualboot configuration between Maemo 5 PR1.3 and MeeGo ===
- Power down, remove MeeGo SD card, connect Nokia wall charger and wait.
- Power down, remove MeeGo SD card, connect Nokia wall charger and wait.
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- It will show amber status led untill it boots to Maemo which will handle charging.
- It will show amber status led untill it boots to Maemo which will handle charging.
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=== In case you have flashed the MeeGo kernel into N900, but have a working Maemo rootfs ===
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In case you have flashed the MeeGo kernel into N900, but have a working Maemo rootfs:
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- You have to flash Maemo 5 kernel back to the device in order to boot Maemo and recharge.
- You have to flash Maemo 5 kernel back to the device in order to boot Maemo and recharge.
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  flasher -f -F <maemo_firmaware_fiasco_image.bin> --flash-only=kernel
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See this page: http://wiki.maemo.org/Updating_the_tablet_firmware
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and search for "Flashing only the kernel from a FIASCO image"
- if flashing seems successfull continue as follows:
- if flashing seems successfull continue as follows:
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- It will show amber status led untill it boots to Maemo which will handle charging.
- It will show amber status led untill it boots to Maemo which will handle charging.
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- if flashing Maemo kernel fails, or above doesn't help, see below.
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- if flashing Maemo kernel fails, or above doesn't help, keep reading.
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In case you are unable to flash Maemo kernel or do not have a working Maemo rootfs to boot into:
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=== In case you are unable to flash Maemo kernel or do not have a working Maemo rootfs to boot into ===
- You can always recharge the battery in another N900. Go to a phone store/friend/enemy near you and ask nicely if they can charge your battery for a while.
- You can always recharge the battery in another N900. Go to a phone store/friend/enemy near you and ask nicely if they can charge your battery for a while.
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- Recharge the battery using a phone compatible with the battery (refer to instruction manual) As always - you are doing this on your own risk.
- Recharge the battery using a phone compatible with the battery (refer to instruction manual) As always - you are doing this on your own risk.
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- Other ways to charge battery exists, but if you have to ask, then the risks may be too high.
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- Other creative ways to charge battery exists, ask help from MeeGo community.

Revision as of 17:21, 4 November 2010

Contents

Warning: This page is still under review

You suspect you have drained your battery

You see one or more of the following symptoms:

- Device may be completely unresponsive with no signs of life

- MeeGo or Maemo fail to boot up. The point of failure is random or attempts keep getting shorter

- Battery voltage may be 3.0-3.3V (you may know how to measure this)


Your best choise for recovering is to boot Maemo 5 and let it handle recharging. How to do that depends on how meego was installed into your device:

In case you have a working dualboot configuration between Maemo 5 PR1.3 and MeeGo

- Power down, remove MeeGo SD card, connect Nokia wall charger and wait.

- It will show amber status led untill it boots to Maemo which will handle charging.

In case you have flashed the MeeGo kernel into N900, but have a working Maemo rootfs

- You have to flash Maemo 5 kernel back to the device in order to boot Maemo and recharge.

See this page: http://wiki.maemo.org/Updating_the_tablet_firmware and search for "Flashing only the kernel from a FIASCO image"

- if flashing seems successfull continue as follows:

- Power down, remove MeeGo SD card, connect Nokia wall charger and wait.

- It will show amber status led untill it boots to Maemo which will handle charging.

- if flashing Maemo kernel fails, or above doesn't help, keep reading.

In case you are unable to flash Maemo kernel or do not have a working Maemo rootfs to boot into

- You can always recharge the battery in another N900. Go to a phone store/friend/enemy near you and ask nicely if they can charge your battery for a while.

- Recharge the battery using a phone compatible with the battery (refer to instruction manual) As always - you are doing this on your own risk.

- Other creative ways to charge battery exists, ask help from MeeGo community.

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