1. AC Question's Avatar
    I recently downloaded the newest Lollipop update (5.1). This morning when I was scrolling through Facebook, my Nexus 5 crashed, so I held down the power button until it powered down, then I tried to turn it back on but it became stuck in the 'Google' startup screen. I subsequently looked up how to reset the phone, and entered Recovery Mode.

    This is what I was presented with after getting through to the the menu of options:

    Android system recovery <3e>
    LMY47I

    Volume up/down to move highlight;
    enter button to select

    reboot system now
    apply update from ADB
    wipe data/factory reset
    wipe cache partition
    power down
    view recovery logs

    [then at the bottom of the screen in yellow, this message]

    E: failed to mount /cache (No such file or directory)
    E: Can't mount /cache/recovery/log
    E: Can't open /cache/recovery/log
    E: failed to mount /cache (No such file or directory)
    E: Can't mount /cache/recovery/last_log
    E: Can't open /cache/recovery/last_log
    E: failed to mount /cache (No such file or directory)
    E: Can't mount /cache/recovery/last_install
    E: Can't open /cache/recovery/last_install
    E: failed to mount /cache (No such file or directory)
    E: Can't mount /cache/recovery/last_kmsg
    E: Can't open /cache/recovery/last_kmsg
    E: Can't open /dev/block/platform/msm_sdcc.1/by-name/misc (No such file or directory)
    E: failed to mount /cache (No such file or directory)

    Now, I have attempted to select 'wipe data/factory reset' and after pressing the power button with 'Yes -- delete all user data' the screen just goes black then after a few seconds the Android lying on its back with the red triangle containing an exclamation mark appears, and the process begins all over again.

    I have reached the point where I have no idea what to do next, (my knowledge of this kind of thing is very limited) so if anyone could help, that would be really great.
    04-06-2015 10:30 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! That doesn't sound good. Are you able to wipe the cache partition from that menu? Be aware that the process can take 5-10 minutes on a Nexus 5.

    You could also try flashing the factory image: How to manually update your Nexus | Android Central. Find the correct factory image here: https://developers.google.com/android/nexus/images
    04-06-2015 01:07 PM
  3. Liselot's Avatar
    Hey I am having the same problem. did you find a solution?
    10-14-2016 08:19 PM

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