Macbook Pro 17inch late 2011 keyboard backlight not working

Recently near the end of sum me 2014 I only noticed the backlight keyboard not working at all. I have done the following to try and rectify;
1. Reset SMC
2. Rest NVRAM
3. Disconnected battery and the above
4. hardware test online, result showing no issues found.
with all outcomes proving nil. Pressing Fn + F5 or F6 does show the brightness either increasing or decreasing but with no light. I then opened her up and disconnected a cable that was to the LHS of the RAM boards but this only powers the White Sleep LED and not the backlight keyboard on this 17inch model. My next step is to remove the mother board and find the actual cable that does power the backlight LEDs and ensure that it is connected. Similarly around the same time I noticed this with the backlights the fans were running fast. However the weather has gotten cooler and the mbp is not running fans as it was when it was in the warmer months.
Do I have to remove the motherboard and actually make sure that the connector for the backlights hasn't been dislodged?
Anyone out there with a 17inch mbp late 2011 that has had this problem please help.
keyboard-backlight-less
2.5Ghz Intel Core i7
8GB Ram
OSX 10.7.5
SMC Veresion 1.70f5

Thanks Ogelthorpe, I found an excellent video (not in english but it didnt matter) https://www.youtube.com/watch?v=8HNAGodYMNA .
What I found was that the keyboard backlight is intergrated into the black plastic cover that is between the motherboard and the back of the keys/LEDS and its all one piece back to the connector that connects to the motherboard under the LHS fan. I need more details to find out if the LEDS are controlled by a chip or what, but it seems to me that I need to visit an apple store/repairer, however this will be really difficult for me as Im in an isolated location. If there are further tests that I can conduct on my own, I would be grateful. Even if there are tests that Apple themselves conduct to find out what the problem is
Peter

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MacBook Pro 13" Late 2011 - Internal Microphone Not Working

Hey everyone, I've been having trouble with my internal microphone on my 13" late 2011 MacBook Pro every so often. In the Sound preferences, Internal Microphone (Built-in) has been selected on the Input tab, the input volume is on full and the audio port has been set to Sound Output so the internal mic is the only input source. However, there is no signal detected by the input level bar. There's also no input on Skype, which is the main thing I use the internal mic for. I do have an external microphone by means of a headset, although I have to set up a small mixer to have a headphone and microphone input and this takes some time, which I do use but sometimes, for convenience, I'd rather just be able to use the internal mic and use some headphones in the built-in output.
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If anyone can shed some light onto this, please do!
Thanks in advance,
LiamWatson28.

You may try a PRAM reset. If that does not resolve the issue, make an appointment at the Apple store Genius bar.
Ciao.

I got my Macbook Pro 17inch (early 2011) back from Apple (they had to replace the logic board) and now my microphone is not working

I got my Macbook Pro 17inch (early 2011) back from Apple (they had to replace the logic board) 3 days ago, I had a terrible experience as the genious who gave me my solid state disk for safekeeping lost my disk's brackets thus I had to wait 2 more hours until they find one after 10 days of waiting for the repair. I noticed some weird sounds, like somehting is moving with the mac 1-2 times, even if I have no mechanical parts other than the fans, but my real issue at the moment is that my microphone is not working. I can see the mic in the System Info however and in Audio Midi Setup. In the Audio Midi Setup I see that the master chanel is turned off and I can't turn in on. Ch 1 and 2 are on full. I also noticed the first seconds after the comp. boots the blue bar goes to the middle in the System Preferences -> Sound -> Input. Any ideas what to do or try? I do not want to go back to the apple store as it is 50 minutes away from here and I need my laptop as a computer science student. Everything else is working perfectly.

You need to call both the store that did the repair and Apple directly, warranty service or Apple care, and report this problem with both of them and get a ticket number of some kind (some kind of verification number) that the unit just came back from major service with this problem and that you want it fixed when you can lose the use of it, which is not right now.
Without doing something like that they could easily say it is damage not covered under the normal warranty.
God knows what the repair center did and did not do to it while it was there.
And depending on when you actually bought it the warranty could run out in the mean time.

I have the new macbook pro from late 2011. when i try plugging my cannon gl2 into the mac via firewire 800 it does not show up in iMovie as an option to import from. i even have gone into my settings on the camera and changed it to vcr.

I have the new MacBook Pro from late 2011. "the one before the new ritina display" i have a cannon gl2 video camera which is mini dv. when i plug it into my mac via firwire 800 it does not show up in the iMovie. i have set the settings on the camera to vcr mode and changed it to av->dv out. when i click on the import from camera on imovie it doesnt even show my camera in it. it just gives me the option to import video from my facetime camera. the camera is turned on the wires are connected i know for fact that its a firewire and not a usb. i know what they each look like. i bought the firewire cable and it was marked down cause it was an opened and used item. would it be possible that it could be deffected and if that is not the reason what other options do i have?

I would say that odds are high that you have a bad cable. Maybe that is why they returned it.
I would suggest trying a different firewire cable.
You can find Firewire cables inexpensively at monoprice.com. You need a 4 pin to 9 pin firewire cable.
Here is a link.
http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10301
Other things to check:
Is your camera plugged in to wall power (not to batteries only). Must be hooked to an AC power source to import.

I have macbook pro 13 late 2011. efi 2.7 not see on software update and if download from site say in not compatible. why? in not compatible. why?

i have macbook pro 13 late 2011. efi 2.7 not see on software update and if download from site say in not compatible. why?

Because your MBP does not require it.

I have a macbook pro 13' (late 2011) 2.8Ghz Intel i7 memory 4GB 1333 MHz DDR3 and have upgraded my OS X Lion to Mavericks. Everything has slowed down. How do I go back to the older OS X Lion? Or should I improve speed differently?

I have a macbook pro 13’ (late 2011) 2.8Ghz Intel i7 memory 4GB 1333 MHz DDR3 and have upgraded my OS X Lion to Mavericks 10.9.5. Everything has slowed down and the battery lasts a bit earlier. How do I go back to the older OS X Lion? Or should I improve speed differently? Would improving memory to 8GB help?

i have run the EntreCheck and here is the report:
EtreCheck version: 1.9.15 (52)
Report generated 28 September 2014 16:16:39 GMT+3
Hardware Information: ?
MacBook Pro (13-inch, Late 2011) (Verified)
MacBook Pro - model: MacBookPro8,1
1 2.8 GHz Intel Core i7 CPU: 2 cores
4 GB RAM
Video Information: ?
Intel HD Graphics 3000 - VRAM: 384 MB
Color LCD 1280 x 800
System Software: ?
OS X 10.9.5 (13F34) - Uptime: 0 days 4:59:22
Disk Information: ?
TOSHIBA MK7559GSXF disk0 : (750.16 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) / [Startup]: 749.3 GB (203.96 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
MATSHITADVD-R   UJ-8A8
USB Information: ?
Apple Inc. FaceTime HD Camera (Built-in)
Vodafone (ZTE) Vodafone Mobile Broadband K3565-Z
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ?
Apple Inc. thunderbolt_bus
Gatekeeper: ?
Mac App Store and identified developers
Kernel Extensions: ?
[not loaded] com.ZTE.driver.ModemDriverMac (1.0.2d1) Support
[loaded] com.ZTE.driver.ZTEUSBCDCACMData (1.3.1) Support
[not loaded] com.ZTE.driver.ZTEUSBMassStorageFilter (1.3.1) Support
[not loaded] com.roxio.BluRaySupport (1.1.6) Support
[not loaded] com.roxio.TDIXController (2.0) Support
Startup Items: ?
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
HWPortDetect: Path: /Library/StartupItems/HWPortDetect
StartOuc: Path: /Library/StartupItems/StartOuc
Launch Daemons: ?
[running] cn.com.zte.PPPMonitor.plist Support
[loaded] com.adobe.fpsaud.plist Support
[loaded] com.microsoft.office.licensing.helper.plist Support
[running] PPPMonitord.plist Support
Launch Agents: ?
[running] cn.com.zte.usbswapper.plist Support
[running] com.hp.devicemonitor.plist Support
[loaded] com.hp.messagecenter.launcher.plist Support
[running] Swapper.plist Support
User Login Items: ?
iTunesHelper
Dropbox
Internet Plug-ins: ?
SharePointBrowserPlugin: Version: 14.0.0 Support
FlashPlayer-10.6: Version: 15.0.0.152 - SDK 10.6 Support
Flash Player: Version: 15.0.0.152 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
Default Browser: Version: 537 - SDK 10.9
Safari Extensions: ?
AdBlock-2
Audio Plug-ins: ?
BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
AirPlay: Version: 2.0 - SDK 10.9
AppleAVBAudio: Version: 203.2 - SDK 10.9
iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins: ?
Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes: ?
Flash Player Support
MacFUSE Support
Tuxera NTFS Support
Time Machine: ?
Time Machine not configured!
Top Processes by CPU: ?
      5% Safari
      3% WindowServer
      2% BitTorrent
      2% hidd
      0% softwareupdated
Top Processes by Memory: ?
229 MB Safari
160 MB softwareupdated
156 MB com.apple.WebKit.WebContent
135 MB com.apple.IconServicesAgent
102 MB VLC
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45 MB Free RAM
1.55 GB Active RAM
1.52 GB Inactive RAM
895 MB Wired RAM
628 MB Page-ins
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What is the max memory allowed on a macbook pro 15" (late 2011), and what speed is the max speed allowed?

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Macbook Pro 17inch late 2011 keyboard backlight not working

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