Mac Mini Wireless Networking Problems

I have a mac mini G4 since summer of 2005, when i first got it i could use it wireless with a new wireless router i bought with it ( ZyXEL P-335WT) with sercuity via Airport. later the connection would always disconnect and soon i could not connect with sercuity so i have turn it off now. Now the Airport connection has got wrost, once in a while i can connect to internet with it but now if i look in the settings it says connected to router but no ip address to connect to internet. So i change over and over again but nothing works, there is also a pop-up that says IP address in use when there isn't anything using it. Currently i have a pc, pocket pc, and a nokia n80 connected there. My Mac Mini came with Airport Card and it is still untouched. Can someone help me

Try turning off your router for at least 10-15 minutes. Then reapply power and now see if you can get a stable connection with your G4.
If you still get the popup that the IP address is already taken, then you may want to check your router's DHCP setting, specifically the range of private addresses that it is providing to the clients.
If your G4's provided IP address is in this range (it should be), and you still get the popup, then try setting your G4's IP address to an address outside of that range. For example, if your router is providing private addresses of 192.168.1.100 thru 192.168.1.150...set your G4 with a static IP address of 192.168.1.175. If this works, then there may be something amiss with your router.

Similar Messages

Can i connect my iMac to a mac mini (wirelessly) and control the mac mini display on my TV?

Can i connect my iMac to a mac mini (wirelessly) and control the mac mini display on my TV?

Look up "screen sharing" in help
You can control your mini (which I am assuming you are hooking to your TV) complete from your iMac.
After you set up screen sharing, you can go to the finder, under the "go" menu choose "Connect to server" and then browse. Choose your mac mini's name, and look for the "Screen Sharing" button.
Choose Apple menu > System Preferences, and then click Sharing.
Select the Screen Sharing checkbox.
To specify who can share your screen, select one of the following:
All users:
Select this if you want to allow any user with a user account on your computer to share your screen.
Only these users:
Select this if you want to restrict screen sharing to specific users.Click Add at the bottom of the Users list and select a user from Users & Groups (accounts you have set up in Users & Groups preferences), Network Users (users on your network), or your Address Book. Or click New Person and enter a name and password to create a sharing account. Then select that user from the list, and then click Select.
Click Computer Settings and set the following options:
Anyone may request permission to control screen:
Select this to allow anyone on your network to request to share your screen.
VNC viewers may control screen with password:
Select this and enter a password that VNC viewer applications can enter in order to control your screen.It’s recommended that you not set a password if you only share this computer’s screen using the built-in screen sharing viewer in Mac OS X.

Mac Mini with Major Problems

I'll try to make this short, but it is a looonngg problem.
About one month ago my Mac Mini began having problems when I boot up. The computer would freeze on the opening page where I put in my password. My wireless keyboard and trackpad would not work. This would be interminent at first but progressively got worse.
I spent hours on phone tech support. Finally realizing that would not help I drove the 100 mile round trip to the local Apple store for a Genius bar appointment.
The first appointment (there have been 5 - meaning 500 miles) resulted in them doing a clean install of Lion. I took the computer back to the office and guess what, the same problem.
I drove back to the Apple store, the Genius did some more work and proclaimed it fixed. It was, for about 3 days when everything started again.
More time now on tech support. One more trip to the Apple store.
This time they kept the Mac Mini for about 4 days are replaced the logic/mother board.
I got it back to the office on Thursday. Everthing works great.
Until today. I boot the computer, it gets to the screen that has the apple on it - then nothing.
I manually power it down and reboot. Same thing.
I've set up ANOTHER appointment at the Genius bar tomorrow.
My question: can I demand that they replace this machine. Between work and home I have 2 Mac Mini's, a Macbook Pro, a Macbook Air and 2 iPhones. I've never had this type of problem. I'm really tired of this.
I purchased this in February so it is in warranty.
Thanks

rwgleaves wrote:
I took it to the Apple store Genius bar today - my 5th trip - and they did just what I'd hoped. They replaced the Mac Mini with a brand new machine.
This is why I buy Mac/Apple!
Excellent new, sorry you had so much trouble on the way. And yes, Apple Stores are awesome!

Just bought a new mac mini, wireless keyboard, and track pad. My track pad will not synch. All advise I have been given is to change items in the setting menu, but I cant because I still have to get through the setup!!

Just bought a new mac mini, wireless keyboard, and track pad. My track pad will not synch. All advise I have been given is to change items in the setting menu, but I cant because I still have to get through the setup!!

The power button for the Trackpad is on the right hand end of the battery case. Press that button to initiate the pairing process. On the top of the Trackpad just above the power button is a tiny green light (you probably cannot see it unless it is lighted). That light will indicate ehther or not the Trackpad is discoverable. If the Trackpad has discoverable the green light will blink on and off. If it does not pair within 3 minutes you will have to press the power button again to re-initiate the pairing process. Once your Trackpad has paired, you can just leave it on and it will pair automatically when you reboot your Mac.
If you are having problems pairing, try turning off any other Bluetooth devices within 30 or so feet of your Mac mini. That includes other Computers, iPhones, iPads, etc. that may be in the area. Once your Trackpad has pairedwith your mini, you don't have to be concerned about other Bluetooth devices.
One other hint, I find that although the Wireless Trackpad does not eat batteries as fast as the Magic Mouse it still uses more than the Wireless Keyboard. It is a good idea to keep a supply of AA batteries around. I have used Apple's Rechargable batteries, but found they did not last that long before needing to be recharged. I have had the best battery life from Duracell Quantum batteries.

2014 mac mini dual monitor problem

I just brought a mac mini (Late 2014) i have two displays monitors connected, one HDMI to DVI. and one thunderbolt to DVI. I can have both thunderbolts connected and the problem its the same, when back from sleep ,one monitor doesn't turn on. i have to disconnect one and then both work, it only happens when the mac goes to sleep. on cold restart or turning the mac on, this problem doesn't occur. any help.

I have this same problem too. I purchased the Mac Mini with the intention of running dual monitors. I'm using the HDMI and mini-display/Thunderbolt to DVI. I've also tried MiniDisplay/Thunderbolt to HDMI and I'm experiencing the same problem as angelfromfullerton. Whenever it tries to wake from sleep, it can't decide on monitor arrangement and keeps flicking between the two, making the OS unusable and forcing a reboot... EVERY TIME. I've also experienced the issue once or twice on a cold boot. It doesn't matter which Thunderbolt port is used either.
I'm going to have to return my Mac Mini unless this problem is fixed asap.
Mac Min, OSX Yosemite (10.10).

Adding new mac mini to network causing problems

Hello,
I have a small home network that has been working great, and just bought a mac mini for media purposes. Unfortunately, adding the mini has ruined my network performance, and I don't understand why.
Previous Setup:
- airport extreme (firmware 7.4.2)
- 2 macbook pros using wireless (leopard & snow leopard)
- airport express only used to make a printer accessible wirelessly (6.3, "join a wireless network")
- iPhone
that worked great, but one of the macbook pros was doing double duty as media and work computer. Also, there was no nice way to do time machine backups without physically plugging in a USB HD. I was using USB into airport extreme, but that is not supported and never worked well for me (though it seems to work for others).
So, I bought a mac mini in Oct' 2009 (immediately after small upgrades were announced).
New setup:
- airport extreme
- mac mini using ethernet cable to airport extreme (USB HD shared for macbook pros to do wireless time machine backups) mac mini running snow leopard
- 2 macbook pros as before
- airport express serving printer as before
- iPhone
Problems:
- very slow wireless (skype is unusable)
- dropping wireless connections a lot (disassociating with XXX (reserve 2) message)
I tried turning off everything for a few min and trying again with the mac mini unplugged (eg. previous setup). Everything worked great, Skype 2 way video was fine. Then I plugged in the mini, and again I have the same problems.
It's frustrating because everything is made by Apple, and I bought the **** mac mini partially because the airport extreme-USB HD solution (eg. mimicking a time capsule) is not officially supported.
It seems like there is some weird interference being caused by the mini. It's not a wireless issue (b/c it's plugged in), but maybe it's a DHCP problem.
Also, I can't find where one sets the maximum number of DHCP leases that the airport extreme will offer. I seem to remember that setting, and thought that might be the problem, but I can't find it now.

For those that might find this thread:
- moving the mini and the airport extreme about 18 inches apart helped some, will monitor this.
here's a couple useful articles about the interference issues in general:
http://www.macgeekery.com/hacks/hardware/optimizingairportconnectivity
http://www.macworld.com/article/60801/2007/11/dec07mobilemac.html
I can't turn off bluetooth b/c that's the mini's keyboard and mouse. I tried to move to the 5GHz band for the wireless... which seems to work pretty well for the macbook pros, but the airport express I have (for printing) won't support that so it's a no-go solution for now (unless I spend even more money for one of the new ones).
Seems odd that the mini and airport extreme which look like they were designed to be stacked on top of each other, actually don't work well that way.

802.1X wireless network problems with Intel Mac

To login to the wireless network at my school I have to use an 802.1X connection authenticating with TTLS, TLS, EAP-FAST and PEAP protocols.
This works intermitently. Some days my MacBook logs on quickly with no problems at all but most days it has a self assigned IP address and I can't use the internet. My friend also uses a MacBook, which acts in the same way. Some days she manages to get on, some days I can get on and some days we are both on together. The problem is really irritating!! We get no support from the techs as we are the only Mac people in the school. The rest of the staff have PCs. The techs are just trying to use this issue to justify why letting people lease Macs is a problem and stop other staff from leasing them in the future.
I did find a solution at
http://discussions.apple.com/thread.jspa?threadID=425113&tstart=0
but this was written in 2006 and I wonderered if this was still valid.
Can anyone help? please???

I am a tech at our school and we have the same problems. still trying to find a permanent solution!
If you turn airport off, then turn on again, (from system prefs > network) does it change from "self-assigned IP Address" to "Authenticated via PEAP)?
the macs are more and more popular at our school, so its becoming more and more of an issue.
cheers,
Harry

Mac Mini Mounting Network Drive problems.... weird

Okay 2 Mac minis. Older G4/1.33/512/40/Combo, 10.4.11 Not as old C2D/1.83/2gb/80/Combo. First one mounts SMB shares from a NAS store no problems.
2nd one (newer) does SOME of the shares and not others. Will see, connect, mount and place icon on desktop. As soon as I click th icon on desktop or side panel in finder, it clears screen, closes the windows that are that open. Other mounted shares it will open and use. Its the same ones each time that cause the problem.
Anyone no why? Have checkled all network settings on both machines and there both identical in evy way. Connecting using same user name and password.
Hellllpppppp

You could try reinstalling the OS?

10.6.8 Wifi Mac Mini Core Solo Problems

Hi All,
I have had my beloved Mac Mini core solo (1.5ghz) since 2007 and have had regular upgrades to keep it alive (upgraded hard drive, ram etc.).
A couple of days ago I upgraded the airport card - it previously was only 802.11 a/b/g, but I now have the atheros 9280 802.11 a/b/g/n successfully installed into the machine.
The main reason for doing this is that my previous airport card just never seemed to work at all; I have an iphone and ipad and they both successfully connect to my Orange livebox router with no problems whatsoever, yet my Mac Mini did not connect at all having tried everything I can. Therefore my final solution was to arrange an update of the airport card to the new atheros one suggested by my local Apple dealer.
I brought the Mac home, and tried to attahc to my wifi router to immediate success. It had full signal strength and was working flawlessly. I then turned the machine off, went out for a while and then came home to find it was not working again and kept searching for the wifi router and asking for constant passwords. After a long time, it seemed to work again but after I turned the machine off it lost the settings (depsite me asking network settings to save via the locked button) and I am constantly repeating this process.
I am therefore wondering if anyone can help. The atheros 9280 airport card information is as follows (from the system profiler):
Software Versions:
Menu Extra: 6.2.2 (622.2)
configd plugin: 6.2.5 (625.6)
System profiler: 6.0.1 (601.1)
Network preference: 6.2.2 (622.2)
Aiport Utility: 5.5.3 (553.20)
IO80211 Family: 4.0 (400.40)
Card Type: Airport Extreme (0x168C, 0x8F)
Firmware version: Atheros 9280: 2.1.14.6
Locale: FCC
Country Code: DE
Supported PHY Modes: 802.11 a/b/g/n
Supported Channels: 1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64,100,104,108,112,116,120,1 24,128,132,136,140
Wake on Wireless: Supported
Status: Network Service Inactive
Just to also add that its Snow Leopard 10.6.8, Intel Mac Mini core 1.5ghz solo, and my Orange Wifi router is quite old (around 2006) so supports a/b/g - I was thinking that this may be the fault but why would all my other apple systems have no problems with this connection?
Any help would be really appreciated as I'm going a little nuts here!
fdsbh

Really? I thought Sno was supposed to be more efficient?
I'd say that SL is more efficient on a machine it was made to run on. Apple didn't exclude the single core Intel processor, probably because they didn't have to change their code like they would have for a PPC processor but part of the efficiency is it's ability to split services to the separate cores in the CPU. You only have one, so that part of the improvement is of no use. All of the processes the OS handles and splits to multiple CPU cores are worthless and your programs will just have to wait until the CPU has time for you.
Meanwhile, the programs you are running are more powerful and provide higher quality and really need the extra core. The speed of the ram, the buss, and the hard drive are not as fast as your MacBook either. All of this data has to be moved around quite a bit from the drive to ram and then back to the drive.
Christmas is coming
WinXP will run on a 600Mhz PII processor with 128MB's of PC100 ram, but you wouldn't want to. It's not a lot of fun to work with or work on.
Unless there is some whiz bang program or technology that you need from SL, I'd take the machine back to Leopard or even Tiger, which it probably ran pretty well.

Connecting Mac Mini wirelessly to PC router

Hi all, I have recently purchased a MAC mini. Using the network setup assistant, I am able to see the wireless network I have setup in my home. It is password protected and the password has been accepted on my Mac. I am unable to connect so I open up the Airport admin utility and the 'Select Base Station' window does not list a base station. I don't know what to do at this point to try to correct the problem.

Which wireless base station do you have?
One of the problems with WEP is that the actual standard relies on a 10 character HEX key for 40bit WEP and a 26 character HEX key for 128bit WEP.
In order to make things easier for people, vendors use certain algorithms to convert simple alphanumeric passwords (or passphrases) into HEX keys, thus enabling people to use simple memorable WEP password rather than lengthy HEX keys.
The problem is that different vendors use different algorithms to generate the HEX key and therefore a ASCII password on an AEBS will be hashed differently on a Netgear client and vice versa.
One thing is a 13 character 128 bit WEP password will be hashed by all vendors in the same way (if you use 40bit WEP then a 5 character password is required).
Though sometimes not even that works and the HEX key must be used regardless.
AirPort: Joining an encrypted wireless network
http://docs.info.apple.com/article.html?artnum=106424
Choosing a password for networks that use Wired Equivalent Privacy (WEP)
http://docs.info.apple.com/article.html?artnum=108058

Mac mini server networking and DNS setup help

Thanks in advance to anyone who can help me with this. I'm working at a small business where I'm the only guy with any IT experience at all, but I'm new to Macs and OS X (<1 year) and being a server admin so please bear with me.
We just bought a Mac mini server as we are expanding from a bunch of workstations and Google Docs. I've just gone through the installation process, but nothing else is on the server, no user data at all, so if the answer is to reinstall from scratch, I can do it.
We'd like the mini to be a file server, print server as well as the gateway for the internet. I realize we could stick to our router and have the server as another node in the network, but we also got a Time Capsule for backing up the server and will locate it in another room to be another wireless access point there.
When going through Server Assistant, I didn't really know what to name the machine so I used corp-Server.local for the Current Hostname and corpserver.private for the DNS Hostname (though i actually use a 3-letter company acronym instead of "corp").
However, i realized after setup we'd want to access the server externally by name, so I changed the DNS hostname to server.companyname.com in the Zones tab of the DNS section of Server Admin (edited primary zone name, changed Nameservers entry for both primary and reverse zone).
I don't know what else I need to do though because there are loads of instances where corpserver.private still shows up, like in the Open Directory section of Server Admin (which btw always hangs when I open it) and the Contact Info of users (eg. user email is [email protected]). I also had trouble earlier using Server Preferences and Server Admin either not connecting or not recognizing my login, but that seems to have abated.
I guess my problem is, where else do I change the DNS hostname? Or do I have to change the DNS hostname back to corpserver.private (in Server Admin)? That way, I think at least everything will be consistent, but would I be able to still configure it somehow so that externally, we could access the server by the server.companyname.com URL?
Also, can the mini be a wireless router for the office? As mentioned before, we want to cut the existing wireless router out and use the mini instead (and use the Time Capsule as a wireless bridge).

So the ISP<->router connection can have a dynamic IP address, but the router<->server one should be static? I guess that means I have to set the IP address in the router. I hope I can get access to it. I don't suppose it matters which one I set first?
An IP router does not assign addresses.
A DHCP server does assign IP addresses upon receipt of a DHCP request from a client.
Some routers (and many firewall routers) do include a DHCP server.
A box with a static IP address does not need to send a DHCP request; it has a static address.
You'll need to ensure that the IP address pool within the DHCP server does not overlap the addresses that are manually assigned to your local hosts; the static IP addresses on your LAN.
[Here is an overview of the pieces involved here, and some of the typical terminology|http://labs.hoffmanlabs.com/node/275].
I hate to belabour the point, but I just want to clarify: in my setup where ISP<->router<->server<->clients, where the server is the only machine connected to the router, which one should be the local DNS server? The server, right? So if the DNS server is turned on in the router, I should turn it off? Or do I need both (ie. router for its LAN (to server), and server for its LAN (to clients))?
So to confirm, the configuration includes (probably) a modem, a router (firewall) and a router (Mac), and then the rest of the (local) show? That is not the simplest configuration, and it's Particularly given that Mac boxes make expensive and slow routers.
The usual configuration is ISP>firewall>LAN and the LAN is usually built from WiFi, wired connections and switches. Within one subnet (which is typical) any host inside your firewall is connected on the LAN, and can communicate (directly) with any other LAN client. The firewall is configured as the gateway; that's the default route for outbound connections.
One more thing that's bugging me: I still don't understand why I couldn't connect to the internet when I plugged in the Ethernet cable from server to router. Even if I was using DHCP to get a dynamically allocated IP, shouldn't it still have worked? I'm worried that I'm going to set up everything as it should be but the connection still won't work.
That's likely because you're trying to use the Mac as a router, and that takes specific configuration steps. It's easier to have ISP>firewall>LAN, and have the Mac OS X Server box and the rest of the stuff as peers on your LAN. If you really want to use the Mac as an IP router, look around for setting up static routes on Mac; there are postings around for that.
If your data is more valuable and your security preferences and requirements are higher, then you may want a firewall with a DMZ, and put your web-facing boxes over in the DMZ. If you're serving stuff to the web or a mail server or such, it's possible to get breached, and a breach means folks can potentially get further into your LAN. With a DMZ, they're somewhat more isolated from your LAN.

IPod Touch & Mac Mini wireless

I have:
Mac Mini
iPod Touch
Wired network.
I have read that this can be done, but cannot figure out how to do it properly.
Need: Have the iPod touch use the Mac Mini as a wireless router/station so that I can browse the web from within 10 feet of the mac mini.
problem: I cannot get the iPod to pick up any web sites, but I can see the wireless share.
Can someone point me to a clear set of instructions on how to share out the mac mini so that an iPod touch can connect and browse the web?

Is the firewall enabled on the Mac mini? If so, you will need to enable Personal Web Sharing on the Mac mini. This punches a hole through the firewall so that the normal web browsing port is accessible via the shared connection.

Brand New Mac Mini drops network after a few minutes

My new Mac Mini (Core Duo) arrived a couple of days back and I couldn't wait to set it up. The next thing I did was to download all the latest updates but the network connection kept dropping after a few minutes (seemingly randomly). This is the wired connection (not airport) and all other computers on the network are working fine.
I thought it might have been a problem with the updates site but now I'm trying to copy my data across the network from my old Windows XP PC (I want to switch) and the connection hangs again after a few minutes.
The only way to get the network back up is to reboot the system, then it works okay for a few more minutes. I've changed the Ethernet cable and the other PCs are working fine - it's just the Mac that has issues.
I wondered if the network card is faulty but does anyone have any other ideas?
I guess as this is only a few days old Apple might exchange it?
</Mark>
Mac Mini Core Duo Mac OS X (10.4.7)

Hi John,
My ISP is PlusNet and there are 2 Windows XP PCs, a Windows 2003 Server, 2 Windows 2003 virtual servers, an HP printer, a DLink Wireless Access Point and a Linksys NSLU2 NAS box all working perfectly happily here - the Mac is the only machine that doesn't want to play.
The router only has a single Ethernet port so that's connected to a Netgear 10/100Mbps hub which the other devices use.
In addition it's all NATted so the ISP could only block my external IP address - they don't have access to the router config and in any case all the other devices are communicating with the Internet over the ADSL link with no problems so I think I can rule out the ISP doing anything nasty.
Thanks for the suggestion anyway.
So... here's the progress to date:
I spent two hours on the phone to Apple Support at national rate phone charges. I finally snapped when they asked me to check the firewall settings on my Windows PC (I pointed out that if there was a firewall issue then no data would copy - not several hundred megabytes before timing out). They suggested I took the Mac to an AppleCare centre for diagnosis to see if it could copy files from another Mac (so much for interoperability - they only care that it works with Macs).
I have confirmed that the problem exists on both static IP and DHCP configurations, and whether or not I set the duplex manually or automatically on the network connection. Interestingly it only occurs connected to a 100Mbps/half duplex hub (not a 10/half hub or a 100/full switch or a 100/full crossover cable) but as all the other devices are working fine I can rule out issues withe the hub.
So, now I have the Mac connected to a 100Mbps/full duplex switch, with no other devices connected. That switch has a link to the hub with the other devices connected and on to my ADSL router.
Everything seems to be working but obviously it's not an ideal situation as the Mac should work on the same Ethernet hub as everything else.
Thanks to everyone for their suggestions. If anyone has any further ideas I'd love to hear from you.
Cheers, Mark

New Mac Mini Wireless Internet - Slow, Disconnects frequently

Hi all,
I've been doing some research and have read related posts about this, but I thought I'd share my specific situation to see if I could have any light shed on it.
As a long-time happy Mac Mini user, I was excited when I picked up one of the new 2009 mac mini models and ditched my old G4 mini.
My wireless connection on the old mini was never very fast, and I was extremely pleased when I first started up the computer and my internet FLEW! I thought, 'Finally!! I have fast internet!'
It was as fast as it had ever been, just as if it were plugged directly into an ethernet cable.
Well, that lasted only a couple of days. For several months since then, I have frequently been having connection issues. It is consistently slower than it ever was during those first several days, and at times, it is continuously disconnecting and reconnecting.
Needless to say all of this is very frustrating. My connection is to a D-link wireless router with a standard WEP key.
I haven't changed any settings since the internet was blazing fast those first couple of days, and I'm using my Macbook wired to ethernet at the moment, and it is perfectly fine.
Thanks for any insight or to anyone for pointing me in the right direction on this.

Very close to the same thing happened to me:
-- I also stepped up from a G4 (iMac) to a 2009 Mini.
-- I also saw a big improvement in my wireless connection.
-- I also saw a big drop in speed, reliability, etc. (Software Update seems to hang, etc.).
-- I am also very frustrated.
Slight differences:
-- Drop in speed happened between the first and second time I booted up -- just a few hours!
-- I'm on an Airport Extreme network (old domed UFO-style base station)... WEP key, etc.
-- My iMac is still a-ok... just a few feet from the Mini, so I don't see how it could be a location-related problem.
Have tried usual tricks (rebooting computer and router, etc) and a couple of things found on similar threads. Not a bit of difference yet.
So advanced thanks for any forthcoming help from me, too...

Mac Mini and Internet Problems

According to my re-install disks, which there are 2...I can put in 0S-9 or OSX 10.3.7. I believe currently that I am running the OSX 10.3.7. By the way, please be patient with me, I am relatively new to Macs. Anyway, this morning the internet was working perfectly. This afternoon, when I clicked on my Safari Icon, the Yahoo homepage will load about 75% and then it closes and I get an error message. I also sometimes use Netscape for ebay listings and it is doing the same thing. I called my ISP and my cable modem seems to be sending proper signals and he said it sounds like a computer issue. Through Internet explorer I am able to get on the Mac site and leave a post but this is far as I can go. Any help will be appreciated!
God Bless!!!
Mac Mini Mac OS X (10.3.7)
Mac Mini Mac OS X (10.3.7)

The Mac Mini (probably) won't boot natively to OS 9. The OS 9 disks are for what's called Classic Mode. It's for backwards compatibility for those of us who have older software we still want to run; it basically runs OS 9 within OS X. Since you are new to Macs, running old applications is probably not an issue for you, and you will save around 300 MB or so by not installing it.
About your network problem:
+Not all browsers and webpages are built to the same set of standards. Webpages built with Microsoft software tend to be especially notorious about not working with anything other than IE, but IE-Mac isn't up to the universal standards. I usually run Safari, but I have 4 browsers installed: Safari, Firefox (tends to be the most compatible, but I like Safari's interface better), IE, and Netscape (I use it for building simple html).
+Sometimes weird problems are cause when the file permissions are messed up. Go to the folder /Applications/Utilities and run the application Disk Utility, then find the button that says "Repair Permissions" and click it.
+Use the Software Update utility and download the latest updates. First download the 10.3.9 update all by itself, then any Security Updates, then others. You will be stuck rebooting more than once, so when you do this, make sure you have time to sit in front of your computer for awhile.

Mac Mini Wireless Networking Problems

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