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Raspberry Pi Forum Pi Desktop very disappointing
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Forum Thread Details
  • Replies 28 replies
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  • raspberry_pi_space
  • pi desktop
  • raspberry pi 3
Related

Pi Desktop very disappointing

masterplumber
masterplumber over 8 years ago

I had high hopes for this but it doesn't appear to be very good.  The build quality seems fine and it looks good - just a shame it doesn't actually work.  Or doesn't actually work yet.

 

The instructions aren't up to much either.

 

I have a perfectly working Raspberry Pi 3 that boots up into Raspbian (latest version 2017-04-10).  I downloaded the image this morning and flashed it to a Class 10 16GB card using etcher.  Everything works fine.

 

I then built the desktop using the enclosed instructions and finally snapping the lid onto the case.  Pressed the button and I got a nice blue light - nothing else.

 

Had to disassemble the thing to see what the problem was.

 

Dismantled everything and booted up the Pi without the Pi Desktop Board.  All worked fine.  Switched off.  Attached the board (didn't put it in the case this time - lesson learned) along with the usual mouse, kb, monitor.  Pressed the button.  Blue light and nothing.   Noticed that the light on the Pi was solid red - no sign of the usual flickering green light on the Pi indicating activity.

 

Held in the button on the desktop board until the blue light went off (5 seconds).  Removed the power supply (it's the R Pi official one) and the SD card.  Reinserted the card.  Reinserted the power supply.  Pressed the button.  Voila.  Blue light AND booted into Pixel.  Pressed the button to power down.  Worked fine.  Pressed the button to power up.  Worked fine.  Rebooted into Pixel.

 

So switched everything off.  Dismantled everything (I bet you know where this is going...) and started from scratch.  Fitted everything into the case but didn't fit the lid on.  Pressed the button.  Blue light came on.  Nada.  Back with the solid red light.

 

Took everything apart again to check and exactly the same thing happened.  Tried again with a fresh install of Raspbian on a different SD card - exactly the same problem.  

 

Completely unusable in its current state.  The thing will work sometimes without the case but it requires a power down and the SD card to be reinserted.  Won't work in the case and there's no way to get the card out to try reinserting it without dismantling the whole thing.

 

Looking through a couple of posts on here I see that others are complaining of the same thing ie thing wont boot and light on Pi staying red.  So have I got a duff board or has this thing not been tested properly or is it just a waste of time and money.  Not impressed.

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  • cstanton
    cstanton over 8 years ago in reply to masterplumber

    So, can you tell me what power supply are you using? What is its volt and amp rating? Please?

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  • masterplumber
    masterplumber over 8 years ago in reply to cstanton

    reportedly 5v 2.5a

     

    It's the official Raspberry Pi one for the Pi 3

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  • cstanton
    cstanton over 8 years ago in reply to masterplumber

    Thank you. image

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  • jardino
    jardino over 8 years ago in reply to masterplumber

    With my new Pi Desktop, I am having very similar problems to Roberto and can only get the set-up to work at all outside of the case. (Hint to everyone - fully check out the rig before putting the top flap on - it's difficult to get off again!)

     

    Unfortunately, all of my micro SD cards are SanDisk and I don't have a Samsung one to try.

     

    I'll keep experimenting.

     

    Alan.

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  • dannyv1
    dannyv1 over 8 years ago

    Hi Guys,

    This may or may not be a help: When using SD cards on my Arduinos I had similar working / not working problems until I used 'Adafruit's' "SDFormater" app and did a QUICK FORMAT
    (NOT an Overwrite format). I double checked that it had to be a Quick format (for some reason).

     

    Since doing that, I have never had a problem with any card.

     

    Cheers!

     

    Danny

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  • dougw
    dougw over 8 years ago in reply to masterplumber

    With the kind of current the Pi takes, the cable often has a significant voltage drop, making even the best power supplies marginal. It doesn't take much extra contact resistance to cause intermittent problems. I have started using heavier gage cables whenever significant current is needed. I don't know if this was your problem, but you can always measure the voltage getting to the Pi to see if it is marginal.

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  • orthosie
    orthosie over 8 years ago

    If the real-time-clock battery is removable, try removing it and then rerun your experiment.

     

    From your description, you disconnected the power supply and then reconnecteded it but the system would not boot unless you removed the SSD card and reinserted it. Although you have removed the main power supply, the RTC battery is still present. If through some faulty design or software the RTC's power is not properly managed, it may be the source of the problem.

     

    A quick test would further narrow down the variables.

     

    Best regards

    Orthosie

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  • jardino
    jardino over 8 years ago in reply to jardino

    I don't have a conclusive solution, but everything seems to be working well after I simply re-flashed my SanDisk SD card with the latest version of Jessie.

    I made the system bootable from an external USB memory stick - following the procedure given on the Raspberry Pi forum, not that given in the Pi Desktop instructions. This will do me until I get a micro SATA drive.

     

    The only little problem is that when I close down the system from the shutdown menu on Pixel, the blue light on the Desktop stays on. Otherwise, I was happy enough with it to put the lid back on!

     

    Alan.

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  • cstanton
    cstanton over 8 years ago in reply to jardino

    We're now able to provide the latest debian package via github: https://github.com/pi-desktop/deb-make/releases

     

    Please do raise any issues on the github repo.

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  • willianr
    willianr over 8 years ago

    So, I have exactly the same problem described here. Is there a solution other than change the sd card brand? Right now I just have Sandisk cards.

     

    Thanks in advance,

    Willian

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