You can not ping to a windows network name except it the same as the DNS entry for your computers IP-address. I'm not a windows user, but the following should work. Try
ipconfig /a
This should show you a list that contains your IP-address. I expect that, you have no DNS entry so you must use the xxx.xxx.xxx.xxx IP-address that will be shown by ipconfig.
ping xxx.xxx.xxx.xxx
(replace the xxx.xxx.xxx.xxx by the displayed address). If you ping the same machine try:
ping localhost
The ping command can only work if the ping service on the target machine is running and the firewall is opend for ICMPv4 protocol and ports.
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