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I'm using vnc viewer on windows 8. They are connected by wifi module on the same lan. I've used this instruction to solve problem with an update.

I'm using Rpi 2 with Raspbian Jessie and VNC server 5.2.3. I could now access it by VNC "using vncserver :1 on putty" however VNC doesn't show desktop, it just shows grey screen with X cursor.

When I ping the RPi IP from windows, it can ping correctly.

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    I believe that question is very vague. Please elaborate more. Are you running vnc viewer on RPi ? If yes, on which platform vnc server is running ? How are they connected ? etc etc. What made you chmod /bin/ping ? – dhruvvyas90 Dec 12 '15 at 8:28
  • What does ping have to do with putty? What distro/version are you using? Is there a firewall on either machine? Are both machines on the same network? Is the network a lan? can you ping from one machine to the other and vice versa? Are you connecting with a hostname or IP address? When you clarify what you mean ping me or vote to reopen. – Steve Robillard Dec 12 '15 at 8:34
  • I'm usong vnc viewer on windows 8 ....they are connected b y wifi module on the same lan ... I've used this instruction to solve probpem with update – Rama Abd Al-Hak Dec 12 '15 at 8:56
  • I'm using Rpi 2 with jessi .... vnc server 5.2.3 .... I could now access it by vnc however vnc doesn't show desktop it just show grey screen with X cursor – Rama Abd Al-Hak Dec 12 '15 at 9:01
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    The grey screen with cursor is just the Xserver (display software) or equivalent running on the Windows VNC without an output from the "other end". For some reason (possibly the X security system - if there is one emulated in the VNC software - is probably not talking to its counterpart on the Pi). Using putty (from the Windows machine) I'd try export DISPLAY=IP address of the Windows Machine:0 so the Pi knows where to send the stuff it wants to show. You might also consider installing Cygwin to help make your Windows more Unix-like... – SlySven Dec 12 '15 at 9:18

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