IMac and Macbook can't see each other via Airp

Except sometimes.
Using Leopard on both new machines, I can share Internet connections and printers fine. The problem is in trying to mount volumes or share files.
I create a network on the iMac, connect to it on the Macbook, and use the appropriate password on both machines. I've set file sharing preferences perfectly and confirmed that at the store.
Sometimes, from the Go menu I can find one machine from the other. Sometimes I can't. When I find them, file sharing and accessing work fine--although for some reason, the volumes do not mount on my desktop! I have to use the Go Network menu item.
But other times they just don't see each other. I only get this to work by REPEATEDLY logging out of networks, turning Airport on and off, creating new network names, and so forth.
The worst results come from creating a familiar network with a name and password I've used before. The best results come from creating a brand new network, new name and pswd. And creating the using 128-bit WEP is the worst, but I think that sometimes that works, too.
My question is, am I doing something wrong, or is this another Leopard/Airport bug?
Also, if I can access the other computer in Go Network, how come the volume doesn't mount on my desktop??
Thanks.

Don't know if this will help - but if you're using an Extreme base station go to the Airport Utility and look at the list of DHCP Clients. I had the same problem only I had an iMac and a Macbook running OS 10.4.11. Turns out that my printer and my iMac were sharing the same IP address. When I assigned a permanent address to the printer (out of the normal distribution range used for the other computers) the problems all went away. So, for instance, if the router was assigning IP addresses ending in 10.0.1.199, 198, 197, etc., and the primary computer ended witih 200, I named the printer 10.0.1.201
Hope that helps.

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My iMac and MacBook can't see each other on the same wifi network

I've got a 2010 MacBook running Snow Leopard and a late 2009 iMac running Lion. They are connected wirelessly to a Belkin N+ router and can ping one another by IP. They can also share a mouse using Synergy by IP. They can't resolve one another's hostnames (<compname>.local).
Unfortunately, they don't show up in each other's local network in Finder. They have recognized each other twice in the few days I've had this set up but those times were directly after a reboot of both machines and even then, only one machine could see the other. One time it was iMac -> MacBook, the other it was MacBook -> iMac.

More information: After restarting my router and upgrading the firmware, the my MacBook was able to see my iMac (ping it directly immediately) and it showed up in the list of Shared devices.
My iMac was able to ping the MacBook eventually (after 22 timeouts, it eventually got a few high round-trip pings that lowered shortly thereafter), but it is still unable to see the MacBook in the Shared devices list.
I was, however, able to mount it with Finder > Connect to Server > afp://192.168.2.3. This is useful progress, but it's not ideal because I use some software like "teleport" that still doesn't recognize my MacBook is a shared Mac. The teleport software on my MacBook does recognize the iMac as a shared Mac.
Here's the output for my attempted ping from the iMac to the MacBook:
ping 192.168.2.3
PING 192.168.2.3 (192.168.2.3): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 22
64 bytes from 192.168.2.3: icmp_seq=11 ttl=64 time=12338.226 ms
64 bytes from 192.168.2.3: icmp_seq=12 ttl=64 time=11341.133 ms
64 bytes from 192.168.2.3: icmp_seq=13 ttl=64 time=10341.974 ms
64 bytes from 192.168.2.3: icmp_seq=14 ttl=64 time=11452.557 ms
64 bytes from 192.168.2.3: icmp_seq=15 ttl=64 time=10718.590 ms
64 bytes from 192.168.2.3: icmp_seq=16 ttl=64 time=9799.987 ms
64 bytes from 192.168.2.3: icmp_seq=17 ttl=64 time=8798.967 ms
64 bytes from 192.168.2.3: icmp_seq=18 ttl=64 time=7803.687 ms
64 bytes from 192.168.2.3: icmp_seq=19 ttl=64 time=6802.503 ms
64 bytes from 192.168.2.3: icmp_seq=20 ttl=64 time=5818.710 ms
64 bytes from 192.168.2.3: icmp_seq=21 ttl=64 time=4818.158 ms
64 bytes from 192.168.2.3: icmp_seq=22 ttl=64 time=3816.990 ms
64 bytes from 192.168.2.3: icmp_seq=23 ttl=64 time=2815.664 ms
64 bytes from 192.168.2.3: icmp_seq=24 ttl=64 time=1828.492 ms
64 bytes from 192.168.2.3: icmp_seq=25 ttl=64 time=828.307 ms
64 bytes from 192.168.2.3: icmp_seq=26 ttl=64 time=9.865 ms

Mac Mini and MacBook can't 'see' each other on the network

I have an 'old' Mac Mini set up to the Airport Extreme base station via ethernet cable and can happily connect to the internet. I also have a MacBook that connects wirelessly to the AEBS. A couple of things frustrate me..
Although I can connect to the internet from the Mini the Airport Utility can rarely find the base station so any diagnostics are impossible.
Also, the two macs are unable to find each other over the network. Both have personal file sharing turned on in the prefs. Occasionally the MacBook identifies my Mini on the network but when I try and connect (clicking on the alias) i get the "the alias XXX's computer could not be opened, because the original item cannot be found".
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Is there something simple I am missing?

A couple of things to check.
The Mini will need to have file sharing turned on.
And the appropriate holes in its firewall set.
It should be assigned its IP number by DHCP.
It should not be plugged into the WAN port on the
AEBSn.
Using Terminal (on the mini)
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internet.
ie. apple.com
Hi
File sharing is on and firewall is off. As I mentioned I have connection to the internet and can ping apple.com. It is not plugged into the WAN port on the AEBSn - the modem is plugged in there. The IP is assigned by DHCP
I can ping the macbook (when the alias is in Finder) but I get a "connection failed...server may not exist or it is not operational at this time. Check the server name or IP address and try again" when I try to connect.

2 Mac can not see each other via airdrop under the same airport/timecapsule.

I have 2 iMac in my home with a TImeCapsule (gen4).
The wifi is on both 2.4G and 5G with the same SSID.
iMac A is working on 2.4GHz, iMac B is working on 5GHz.
So they can not see each other via airdrop, meanwhile they can see each other in the left panel of Finder.app
Is it a known issue of AirDrop?

Hi Kirby Zhou,
Welcome to the Apple Support Communities!
It sounds like you would like to utilize file sharing between computers, not necessarily AirDrop. Please refer to the attached article for information on the file sharing process. If this is not what you are looking for, please let me know.
Share your files with other Mac users - Mac Help
Best regards,
Joe

How do I set up LiveRig or TouchOSC with Mainstage 2.2.2? Both apps send signals but none are received by Mainstage and both the ipad 3 (6.1) and macbook pro (10.7.5) see each other via WIFI?

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In my experience, do not use UBE for anti-relay.

IPad and iPhone can't find each other

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I remember that the very first time I tried to pair them, they were visible but I messed up a bit and they are now in the ignore list each other so my iPhone ignore my iPad and vice versa.. Is it possible?
Is there a way to reset the Bluetooth ignore list?

With your iPhone go to SETTINGS and put on PERSONAL HOTSPOT
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and then go to your iPad and do the same thing entering the password that you have in the iPhone
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HT4759 I have performed all troubleshoot suggestions to make my iphone and PC calendar update to each other via icloud.What else can I do to resolve this? This has been the most frustrationg aspect of changing to iphone and ipad. Thanks.

I have performed all troubleshoot suggestions to make my iphone and PC calendar update to each other via icloud.What else can I do to resolve this? This has been the most frustrationg aspect of changing to iphone and ipad. Thanks.

Welcome to the Apple Community.
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Computers on network can't see each other and can't communicate

I have a Linksys router, WRT54G, which calls itself wireless but has only wired connections.   I have my computer and my phone (for Vonage service) plugged into it.    My router is then connected to the household router by a CAT 5 cable.   The household router is also a Linksys; wireless and with plugs for a half dozen computers.
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It looks like I'm supposed to configure my router to communicate with another router instead of connect directly to the Internet, but when I tried htat and enabled interactive adjusting or whatever I suddenly couldn't access the Intenet and my phone couldn't get a dial tone, until I changed it back.
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Thanks for your help.   Unfortunately between when I last looked at your name and when I managed to reply I forgot your name.
1. For the option that the parts of the network can see each other, you plug the cable into the OUTGOING port of the SECONDARY router?    That doesn't make a whole lot of sense; how cuold that possibly work? The way I understand it, the signal can come in only through the incoming plug, which you call the "internet" plug, if I'm understanding you.
2. If you choose the setup that makes any sense - the cable is plugged into the incoming plug - the "internet" plug - on the secondary router, and the ethernet connection on the primary router, can all the computers see each other and their resources, ie, printers they want to share?
3. If not, why on earth?
4. for the second option, it looks like some steps are missing.   Why don't you need to disable DHCP and set the router to be a secondary router?
PM me for my contact details.
Thanks!
Yours,
Dora Smith
(Mod note: Edited post for guideline compliance. Email address removed. Use the PM system please. Thanks!)
Message Edited by JOHNDOE_06 on 02-25-2009 08:39 AM

Mac and iPhone don't see each other

This isn't just with Home Sharing, but with other apps that use wifi to connect, specifically iAccounts and iBackup, but I couldn't find a more appropriate community.
My iPhone and MacBook Pro are connected to the same wifi network, one has 192.168.1.64, the other is 192.168.1.65, both can connect to the internet with no problems, both have full signal strength. So why can't they see each other? Sometimes it works, when everything is turned off then back on again, but sometimes that doesn't work. Last time it worked only after I reset my router, which suggests maybe the router is the problem. It's a BT HomeHub 3, which probably doesn't mean much to most of you, so give me general advice. What settings should I look at? Could it have something to do with my Mac connecting via 802.11 N and my iPhone 802.11 G? It's a 3GS, so it can't do N.
Both Mac and iPhone have the latest OS (10.6.8 and 4.3.3).

I stumbled upon the answer by searching other (non-apple support) sites for this problem. Apparently (and non-intuitively), "personal hotspot" (aka internet tethering) must first be enabled before attempting to establish a BT link. The reason I say non-intuitive is:
Firstly, bluetooth is supposed to be a stand-alone wireless networking protocol that doesn't require another wireless network to be available for it to work. What other sort of device (computer or otherwise) requires an existing network to be in place before BT will work?
Secondly, if tethering via personal hotspot is a prerequisite for a BT link, why is there no pop-up message advising of this when BT is turned on? Something like "Hey idiot, you need to turn on personal hotspot before you can establish a bluetooth link!" Or better yet, why not automatically turn on the hotspot when the BT button is switched on?
Thirdly, it really makes the BT shortcut button (in the home screen control center) worthless if you've still got to manually drill down into the settings menu to turn on hotspot anyway.
I scrubbed all apple user support articles related to using BT and pairing the iPhone with iPad that I could find to make sure I hadn't missed this new requirement somewhere - and I don't see it mentioned anywhere (although I'll admit that steam was coming out of my ears while I read it, so I may not have been in the best frame of mind to catch any new information). In the BT troubleshooting article, it mentions every check-this and check-that step but nowhere does it say make sure that personal hotspot is also turned on! I submitted feedback at the bottom of the article; hopefully they'll update it.
Thanks, Lyssa for bearing with me through all of this, which in the end turned out to be a user error. Although I consign myself to some comfort in knowing that this is not how it worked prior to iOS8. And as soon as I can find a phone on iOS7 or older, I'll confirm that.

Can't see each other on network after installed OS 10.9.3

After i installed OS 10.9.3 on all of my Mac stations, they can't see any of the Mac anymore. The network router works fine, but they just won't see each other. I found these problem after install OS 10.9.3 to 2 of my Mac Pro. They can't connect to the Macbook Pro runing lower version of OS 10.9.2. Please help.

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

Wireless Internet works but Macs can't see each other on same network.

First: Ahh!
Second: I have an iMac & and MacBook connected to the same Wifi connection at home. I'm using the Belkin F5D8235-4 v2000 with Firmware 2.01.08. The most up to date firmware and Mac compatible. Both have IP addresses within this range 192.168.2.random number. Both have "File Sharing", "Remote Login" and "Remote Management" check off. Both always see the Belkin n+ under shared items (the Belkin +n has a memory stick attached to it). Here's the kicker...when I restart for a few minutes I can see both computers under Network and Shared. Then poof, it's gone. As I write this my MacBook can see my iMac but my iMac is Stevey Wonder, not a thing in sight.
Why won't my iMac and Macbook play nice? Are iMac's rasist? Not implying Stevey Wonder is rasist. Wow, back call on my part.
Ohh, one more thing (feels good to use that line in a Mac forum). I have installed Windows 7 on both computers, it problem also happens in windows too. I'll bring that to another forum, just thought you should know.
If you need more details or want to know what kind of sandwich I'm making just write below. It's ham. Help me please.
Third: Ahh! This is the best sandwich ever.

How to change a computer name, join a domain, and add a computer description in Windows XP or in Windows Server 2003
http://support.microsoft.com/kb/295017
How to search for a computer on a network. If you know the name of the computer, you can access the computer by using the search companion, or you can search for the computer in My Network Neighborhood.
Search for a computer when you know the name of the computer
If you know the name of the computer, you can search for the computer on the network:
1.
Click Start, and then click Search.
2.
Click Printers, computers, or people.
3.
Click a computer on the network.
4.
In the Computer name box, type the name of the computer that you want to find, and then click Search.
Search for a computer when you do not know the name of the computer
If you do not know the name of the computer, you can browse for the computer on the network:
1.
Click Start, and then click My Network Places.
2.
Click Entire Network.
3.
Double-click Microsoft Windows Network.
4.
Double-click the name of the domain that you want to search.
5.
Double-click the name of the computer that you want to access so that the shared resources are displayed.

Computers can't see each other after installing E3000

I've found several previous posts regarding my issue, but none of them have led me to a solution to my problem. Here is my problem. I have a small home network that I was able to share file and printers on, now I puchased and install a Cisco E3000 and my computers can no longer see each other. My current configurations is as such: I use DSL and have a 2 wire DSL modem with wireless capabilities. This particular modem has a port for the phone line and a port for local ethernet. I've taken the local ethernet and plugged in the internet port of the E3000. All computers can reach the internet but they cannot see each other. I've verified that file and print sharing is enabled on all computers. In fact if I remove the E3000 from the configuration and place them back onto the 2wire wireless connection they see each other. So I'm pretty certain that the firewall software on each PC will allow file and printer sharing. So that leads me to believe that my problem is in the E3000. It is perhaps blocking the network discovery protocol or something. Does anyone have any ideas how I can resolve this problem? Any help is appreciated.
Solved!
Go to Solution.

Thanks Showguy82 that seems to have worked by allowing my computers on the network to appear under network tap in windows explorer. However I'm still not able to access the computers. Something is being blocked by the E3000 because I completely disabled the fire wall on my PCs and still couldn't access them. Do you perhaps know what should be changed in the E3000 to allow access to the computers. Thanks for your help.

Computers can't see each other

I posted this first in the iTunes area, because I was trying to figure out how to make Home Sharing work, but my troubleshooting is leading me to believe I have a networking / Time Capsule issue instead of an iTunes problems. Here's the situation as I was trying to get Home Sharing working between two Macs:
Both computers are running latest Snow Leopard version. (10.6.3)
Both computers have firewall OFF.
Both computers have file sharing ON.
Both computers connected to the same wireless (dual) network managed by Time Capsule (computer 1 is "g" computer 2 is "n")
Using Terminal to ping computer 1 (10.0.1.6) from computer 2 (10.0.1.4) results in timeouts.
Using Terminal to ping computer 2 from computer 1 results in timeouts.
Now engage Computer 3
Using latest version of Leopard (10.5.8)
Firewall OFF.
File Sharing ON
Connected to same Time Capsule, ("n").
Using Terminal, Computer 3 (10.0.1.8) can successfully ping both computer 1 and computer 2.
So, my Leopard machine can talk to both Snow Leopard machines successfully, but neither Snow Leopard machine can talk to each other. HUH???
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Never got an answer or resolved the problem. I'm calling it "answered" just to clear out my unresolved questions folder.

Two profiles on Imac - how can we see each others calendars

My husband and I both use our Imac and have two seperate profiles. I want to be able to see his calendar in my iCAL and vice versa.
Surely this must be possible somehow seeing as it's on the same computer without things like MobileMe etc......
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I went home that night and done the same with AVG antivirus. Can't believe it was as simple as that.
configure your antivirus software like AVG or Norton to allow file and printer sharing as well as allowing your windows firewall to do the same.
Mine was in AVG firewall > settings (or Configure) > system > file and printer sharing......................just click on the dropdown box to allow.
As soon as I done this I went to my network places and the network files were visable.
other settings in there also solved my remote desktop problems.
Why couldn't I have thought of this 6 months ago.
PP

IMac and Macbook can't see each other via Airp

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