Having trouble connecting computer to TV with sound

I have a 2010 macbook pro and a samsung LN40B550 LCD HDTV - having trouble connecting computer to TV with sound - I'm not sure which connectors I need and have purchased a few that aren't working (HDMI: DVI cable & Mini - DP to DVI adaptor). Any help would be greatly appreciated. Thanks

Sorry to tell you that DVI does not support sound. You either have to use a HDMI cable (with the appropriate adapter) or tap your audio output port with a 'Y' type cable configuration for sound.
Ciao.

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Hi..I've had a variant of this problem; my internet was accessible but my devices on wifi could not see the PC on Lan. That meant no iTunes syncing, Airplay from iTunes etc.
Dlink has a strange default setting that isolates Wifi & Wired connections into different subnets.I'm assuming you have DHCP setup on your router and you're PC or MAC has internet access via the same router. Try the following steps to see if this solves the problem for you-
1. Go to Setup -> Local Network and Uncheck the box that says 'Configure the second IP Address and Subnet Mask for LAN' - Hit Apply
2. Go to Wireless -> Wireless Basic and Uncheck 'Enable MultiAP Isolation' - Hit Apply
3. Restart your Router
Let me know if this solves your problem. I've been frustrated by my problem for months & had nearly given up.
J

I'm having trouble connecting my Intel iMac with the internet using wifi router

I'm having trouble configuring my iMac to accept a connection with my Telstra Elite mobile broadband Wifi router.
The iMac's Wifi is turned on and the elite router is selected in the Wifi list with a tick.
The router is turned on, and connected to the internet.
I'm able to surf the net and collect emails using my MacBook Pro ( what I'm using now) and my iPad with no hassles by connecting them to the Telstra Elite Wifi router. But I'm unable as yet to get a connection using the iMac.
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hburgess3 wrote:
I'm having trouble connecting my apple tv to the wifi on my campus. To connect to this wifi on a computer or iphone you have to install a program.
Why?
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Per setting up the account, I'm getting email, so, I believe my Exchange IMAP is correct, but, I cannot send email to anyone outside my internal network. The wierd thing is that when I go to the Connection Doctor (after I get the Try Again...or...Try Again with Selected Server screen), I get a green light on the SMTP Server and a red light on the Exchange IMAP Server. Any comments would be appreciated.

Edgar,
I highly recommend, if you live in an area where there may be overlapping WiFi networks.. use recent OS X's hidden WiFi Diagnostics utility......
Hold down the Option key, click on the WiFi icon in the menu bar and click on Open WiFi Diagnostics... This works for (maybe 10.7... cant remember..) 10.8,10.9 and 10.10.
...and check for any nearby WiFis that may be on the same channel.... and if there are, change your WiFi channel to a different one so your signal remains clear of interference and more importantly uninterrupted... LR seems very susceptible to such brief 'breaks' or interruptions...
Personally because of where I live, there are no competing networks and I have no issues at all using LR with any of my 5 LP rigs here.. switching between them at will....
The only other item of interest that I have found when troubleshooting such issues.. is the use of non Apple Routers..... and a failure of automatic port forwarding for example...but this cause usually prevents connection altogether and not intermittent issues... Haven't come across anyone using an Airport Extreme for example.. from 2009 onwards, who has any issues connecting LR to LPX... but a number of older Netgear, TP-Link and D-Links ones seems to have this issue at times...
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Having trouble connecting Dell Dimension XPS with Windows XP to my new E1200 router. Any Ideas?
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Update: I have successfully connected to Vista computers but my XP will only connect as a guest. Seems like it doesn't want to take the network key or password

What is the Service Pack on your windows, also, what is the security mode configured on E1200?
To determine the Service Pack on your computer, click on the 'start' button and type in, 'winver' in the run window.
Basically, if the security mode is WPA/WPA2 mixed mode or WPA2, then minimum requirement for Service pack is Service Pack 3.
Else, if the Service pack is below version 3, then you need to lower down the security on E1200 to either 'WPA' or 'WEP'.
Here is the link for changing the security level - http://www6.nohold.net/Cisco2/ukp.aspx?pid=93&vw=1&articleid=22751
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A] With the help of Cisco Connect Software (if at all you have installed the router with the help of this software)
1] Open the software and go to the option which says "Router Settings"
2] Then click on the option which says "Advanced Settings" which will take you to the router's configuration page.
3] Then go to the Wireless tab, change Channel width to 20 MHz only and change the Channel to 6, 9, 11..Save the settings.
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http://ecross.mvps.org/howto/configwlan.htm

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Alright it didn't solve it. Any other suggestions?
I haven't suggested a solution yet. I want to know whether you still get the messages while Time Machine is disabled. Do you? If so, try any or all of the solutions proposed in this thread:
There was a Problem connecting to the...: Apple Support Communities

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There are no dumb questions...answers, yes, but not questions. Sometime I use acronyms and forget that I should explain things a bit more.
Resetting those two things sometimes helps and cannot hurt.
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http://support.apple.com/kb/HT3964
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http://support.apple.com/kb/PH4405
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http://support.apple.com/kb/PH3660
Barry
P.S. If everything fails and you are near an Apple store, make an appointment with a "genius" and take the devices in for them to assist.

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I am not certain this will fix your problem but I suggest you assign the printer a static IP address.
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And I forgot to mention I have just changed email addresses so with the old email it was all working then with the new email I'm only functioning one direction.

Having trouble connecting computer to TV with sound

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