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+--- Thread: PBP suddenly wont turn on, first without SD card, now at all (/showthread.php?tid=9493)
PBP suddenly wont turn on, first without SD card, now at all - swulff - 03-22-2020
Hi All
My PBP stopped powering on recently whenever the SD card was not in it with an OS to boot from. no reaction to power button at all, short press, long press or anything.
I took the back off, re-seated the eMMC card and tried again - no luck. checked all cables, no damage at all.
I tried the reset and recovery buttons - no reaction.
Now, I cannot power it on even with SD card in - both off and on charger.
Have anyone encountered something like this before ?
Thanks in advance.
RE: PBP suddenly wont turn on, first without SD card, now at all - wdt - 03-22-2020
Yes, when I put wrong SD card in,, & even with card out
Try a COMPLETE power off, press and hold pwr button, DON'T release, 20+ seconds
let us know, may not work, but costs little
RE: PBP suddenly wont turn on, first without SD card, now at all - swulff - 03-23-2020
(03-22-2020, 04:50 PM)wdt Wrote: Yes, when I put wrong SD card in,, & even with card out
Try a COMPLETE power off, press and hold pwr button, DON'T release, 20+ seconds
let us know, may not work, but costs little
Sadly no effect at all :-(
RE: PBP suddenly wont turn on, first without SD card, now at all - xmixahlx - 03-23-2020
if the sdcard was booting that means the emmc uboot partition was working before...
a better approach would have been to reinstall to emmc after booting to sdcard.
if you borked the emmc and the sdcard no longer boots then you probably need an emmc usb adapter or more involved solution.
RE: PBP suddenly wont turn on, first without SD card, now at all - swulff - 03-24-2020
(03-23-2020, 06:29 PM)xmixahlx Wrote: if the sdcard was booting that means the emmc uboot partition was working before...
a better approach would have been to reinstall to emmc after booting to sdcard.
if you borked the emmc and the sdcard no longer boots then you probably need an emmc usb adapter or more involved solution.
Ive never tried to install to eMMC though, figured I’d break something if I touched it. It still has the stock image on it, I’ve always booted from SD trying out various distros.
Even if the eMMC is entirely fried, shouldn’t it still be able to turn on and at least tell me there’s no bootable disks or something?
RE: PBP suddenly wont turn on, first without SD card, now at all - wdt - 03-24-2020
@swulff
>Even if the eMMC is entirely fried, shouldn’t it still be able to turn on and at least tell me there’s no bootable disks or something?
No, no firmware, no bios, all the equivalent is written to nand, emmc or SD
Since you have had back off, try with emmc removed, unplugged
RE: PBP suddenly wont turn on, first without SD card, now at all - sos - 03-24-2020
Have you tried hooking up a serial console and see what it tells you...
RE: PBP suddenly wont turn on, first without SD card, now at all - swulff - 03-25-2020
(03-24-2020, 01:50 PM)sos Wrote: Have you tried hooking up a serial console and see what it tells you...
No, not even sure how I would go about that
(03-24-2020, 09:20 AM)wdt Wrote: @swulff
>Even if the eMMC is entirely fried, shouldn’t it still be able to turn on and at least tell me there’s no bootable disks or something?
No, no firmware, no bios, all the equivalent is written to nand, emmc or SD
Since you have had back off, try with emmc removed, unplugged
Took the back off, removed eMMC and all - no change.. put eMMC back in, no change.
I pressed and held the reset button for a while, now its booting in SD card.. Want to try to write Manjaro to eMMC see does that make a difference
(03-25-2020, 10:23 AM)swulff Wrote:(03-24-2020, 01:50 PM)sos Wrote: Have you tried hooking up a serial console and see what it tells you...
No, not even sure how I would go about that
(03-24-2020, 09:20 AM)wdt Wrote: @swulff
>Even if the eMMC is entirely fried, shouldn’t it still be able to turn on and at least tell me there’s no bootable disks or something?
No, no firmware, no bios, all the equivalent is written to nand, emmc or SD
Since you have had back off, try with emmc removed, unplugged
Took the back off, removed eMMC and all - no change.. put eMMC back in, no change.
I pressed and held the reset button for a while, now its booting in SD card.. Want to try to write Manjaro to eMMC see does that make a difference
Edit: That did the trick.. back up and running.. thanks for the inspiration
