Poor quality speakers on Mid 2014

Got my new Macbook Pro MGXC2B/A and already had an issue with a left speaker, played music was crackled and distorted, speaker set has been replaced (all components must`ve been taken out except batteries to replace the speakers, just letting you know). The new one plays OK, but while left speaker plays decent bases and trebles, but the right one lacks with trebles. Is it normal it drives me crazy now LOL. Spent loads of money for it and already been in repair...

valmiki77
Welcome to the HP Community Forum.
Commentary
Notebook speakers leave something to be desired: That is a personal opinion. It is not an HP opinion on the subject.
Your system specs say your notebook has Bluetooth -- you might buy a decent Bluetooth speaker. If you take the notebook on walk-about, you can carry the speaker in a pocket or hang it on a pack. You can use Velcro and mount the speaker on the side of the notebook. Even a small sized decent Bluetooth speaker can provide some pretty nice sound.
Or, buy some decent headphones or some decent powered speakers -- which might be the best option for reasons that you can look up for yourself.
BEATS is a chip that allows you to adjust decent speakers to get the best sound out of a decent sound system.
I am not gainsaying you nor am I disparaging your concerns.
Once, in a time gone by, I had a notebook with a fairly decent sound system on it. Once.
The 17 inch HP Envy I have right now (with Beats) does sound pretty nice with some decent speakers attached. With proper adjustment, the onboard speakers sound OK, too.
===========================================
Below is (what I believe to be) a valuable Thread that may be of interest to you.
It is been helpful to many people over the years, myself included.
Should you like to participate, the thread is still active. Please do so with respect for the other participants -- the Posts are meant to gain and share information.
Beats Audio EQ Setting/ General Sound Advice - HP Support Forum
Click the Kudos Thumbs-Up to say Thank You!
And...Click Accept as Solution when my Answer provides a Fix or Workaround!
I am pleased to provide assistance on behalf of HP. I do not work for HP.
Kind Regards,
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Similar Messages

POOR QUALITY SPEAKERS

Have you noticed that the speakers installed by Apple in each MBP has poor quality in terms of crisp sound output? and even if you adjust the volume, you only get as much that you need to have your ears closer to your unit for you to hear clearly and appreciate the sound or music that you listen to?
Compare it to the Harmann & Kardon of Toshiba Protege or listen to the sound of the speakers of other laptop brands. The price we pay for an MBPro unit does not come up to standards of competition. They have better speakers that produce quality for our listening pleasure.

Try installing WOW.
http://www.srslabs.com/
-Bmer
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Mid 2014 13" rMBP - Image Persistence

Good Morning,
Last night I came across an image persistence issue that seems to plague most rMBP users that have been supplied with an LG Panel.
I'd like to confirm that this issue is still present in Apple's most recent iteration of the Macbook Pro (Mid 2014). I purchased this 13" rMBP just under a month ago, I was hoping to improve my productivity with this purchase only to find it has hindered it further. I work with illustrator and photoshop, sometimes both at the same time. I've noticed switching between applications that there seems to be a faint silhouette of the illustrator window. When I first noticed this issue I told myself "There's no way that's burn-in, this is clearly not a plasma display and it's 2014" After a prompt restart, the faint silhouette was still there and all I could feel was frustration and complete regret after making such an expensive purchase. The feeling I had at the Apple store was similar to when I purchased my Canon 5D, you save up all this money and expect a premium product. Only this time around, I'm not quite as joyful about my purchase. The faint silhouette overlays my photos, and can be a problematic during post production. Although the silhouette may only be visible for minutes at a time before it completely disappears, this has caused me to walk away from my Mac. Which is something I have been trying to avoid, and it was working until last night.
My question is, has LG made any changes to their most recent production of Retina displays?
Do 13" rMBPs come with Samsung displays?
What are my options outside of the 14-day return window?
I'd like to avoid repair, one time I brought in my iPad and the genius was practically sliding and dropping my iPad on the genius bar. I know that Apple tries to set the bar when it comes to personal computing, and in some cases customer service. So, is it wrong of me to expect quality from a premium manufacturer?
Thank you.

No, I did not misread, it died in 4 hours and 20 mins.
That sounds better. You confused me with:
...only 4:49 minutes remaining.
My science-major mind saw that as 4 minutes 49 seconds.
Still, you should get more runtime. Here is another Apple article that helps with battery life and heating issues:
Runaway applications can shorten battery runtime, affect performance, and increase heat and fan activity - Apple Support
The article was written before OS 10.9 and 10.10, so you need to make a change in Step 3 for 10.10. To make the required change from "My Processes" to All Processes," you now need to use Activity Monitor's "View" menu:
Another thing that is not clear in the article is that you will not get good results if you run the test immediately after a restart. Use the computer normally for about a day so that any runaway processes are activated, quit any apps you launched, then run the test.

Mid 2014 15" Retina Macbook Pro Bootcamp Windows 8.1

Okay, so this is part question and part rant.
The question part: Has anyone successfully installed windows 8.1 in bootcamp on a mid2014 Macbook pro?
The rant part:
This new macbook is awesome. Everything is great. Except that apple needs to get their $h1t together on this bootcamp crap. I am an engineer. It is a sad world that we live in, and there is little I can do to change it, but as of right now, Microshaft owns the corporate world. Software for engineering is developed for winblows. Hopefully that will someday change, but for now I have to put up with it.
I purchased this brand new macbook with the understanding that I would have to install winblows on it, and with the understanding that I would spend about half of my time there. This is not choice, it is necessity. When I purchased this computer I did so because I was reassured that windows would run well in a dual boot.
5 hours of my time has been wasted trying to make that a reality. Currently, I am sitting here watching my mac reinstall Mavericks after being forced to wipe the entire drive due to incompatibility bullpoop.
So far I have tried:
Letting bootcamp do it's thing. This resulted in a near perfect installation, followed by a notification that the boot configuration could not be updated. great.
booting again and trying to format the partition with winblows. Winblows cannot install because of the GPT setup.
delete partition leaving blank space, boot in efi, and then allow windows to make the partition. This resulted in windows making 2 partitions (so far so good) and getting all the way to the end before letting me know that I am right back to trial 1 and it cannot update the boot configuration.
So I go into mac to delete these two partitions. The main one deletes, and the little one wont.
So i go into recovery. Still cannot delete partition.
I was forced to TOTALLY wipe the drive, and I am not sitting here looking at a screen telling me that in 4 hours the mac will have downloaded and installed Mavericks, and I will hopefully be back where I started a day ago. This is ridiculous.
So far I STILL do not have windows, and I am not really any closer. This is total and complete bologna, and I am about ready to return the macbook, and but a piece of $h1t winblows machine simply because it will ACTUALLY do what I HAVE to do. It would suck, because I prefer the Macbook, but if it flat out won't do what I need it to AND apple won't put enough effort into their compatibility software, I am going to be forced to make a compromise.
I send this faithfully from my Late 2008 13" Macbook running the new OS that I am not allowed to mention in this post without my post getting autodeleted.... Don't get me started on that... What is happening to apple? I want to love you guys, really I do!
Somebody help me please... If not with the computer, at least send me a cocktail.
MacBook Pro (Retina, 15-inch, Mid 2014), OS X Mavericks (10.9.4), Bootcamp

This is probably late but I just finished installing Win 8.1 on my new Mid 2014 15" MBP. It still has a few quirks but it works. I just purchased my MBP and it is configured with 16Gb RAM, 1Tb SSD, 2.5Ghz CPU and the NVidia Graphic Controller. I am running the latest version of Yosemite. Here is how I was able to make it work:
1) I purchased an OEM Version of Windows 8.1 64bit Professional from Newegg.com. I needed an ISO in order to use bootcamp. For this I used my dedicated windows 7 machine and installed burnaware_free. This ripped an ISO from the Windows DVD. Some websites will say you can use the Microsoft Windows 7 USB Download tool. This tool will NOT work with an OEM DVD of Windows 8.1. I tried it 3 times and all times it barfed and told me the tool could not be used on my version of windows.
2) I used a 16gb Flash drive and plugged it into my MBP and started the bootcamp utility. (I used a 16Gb drive as I did read on a few web sites that stated you needed a Flash drive this big. I'm not sure why as it does not fill it but perhaps with a 8Gb drive there is some temp files created that cause a problem) When it gives me options I let it download the bootcamp drivers and when asked, I pointed it to my Win8.1 ISO that I created earlier. (A side note, you MUST let the Apple bootcamp utility create the bootable USB drive. Foolish me used a standard windows utility to create a bootable Win8.1 drive. Went all the way through the download tools, repartition, etc. The MBP reboots and then pukes telling me the USB I inserted is not a bootable drive. It will boot on a windows box but not on the MBP. I have no idea why but I know this to be the case.)
3) Windows should boot on the apple created USB flash drive. It will walk you through the install. The first thing you need to do is format the partition that the apple bootcamp utility created. You will most likely be given 4 partitions to choose from. Pick the partition that matches in size the one you created on the OSX side and select to format that partition. Once formatted you can hit next and go forward.
4) Just a note.... if your eyes are as old/bad as mine, when Win 8.1 is installing it is not smart enough to know to scale objects and so displays everything in the native retina resolution. I literally needed a magnifying glass to check the serial number I typed in to be sure it was correct.
5) Let the install do it's thing and finish. When it completes and reboots, it will default to boot into windows. This is probably not bad, as if you are like me there is then a whole host of things to install and multiple reboots are required. Before I did a bunch of installs however, I wanted to test to make sure I could go back and fourth between the two OS's. Here is where things get interesting. On my install, once bootcamp was complete and windows 8.1 was installed, booting my MBP no longer gives the gray screen on boot. The screen is now black. At first this had me fooled into thinking something was wrong. When it reboots and you just see the very faint change in the black screen you need to hit the alt/opt button. Better yet, just have it shutdown and then hit the on button and hold the alt button next. You will now be given two drives to boot from, the OSX side and the Windows side. The recovery disk is no longer present.
6) I picked the OSX side and booted into Yosemite. Everything on the Yosemite side is mostly right. OSX sees the bootcamp drive. I use the Paragon utilities that allow me to R/W NTFS from OSX and R/W HFS from Windows. On the OSX side I can R/W the Bootcamp drive without an issue. It is curious, however, that if I go to the system configuration and select Startup Disk, my windows drive is not visible. I don't know the reason but it does not give me an option.
7) I reboot the MBP again and this time I go into windows. On the Windows side Win 8.1, for some reason, is not seeing the OSX drive. I can to into System Management tools and the partition is clearly there but at the desktop level there is no HFS drive. For what I do this is not a huge deal but it is curious as with my old MBP, Win7 and Mavericks everything was visible on both sides. If I go to the BootCamp Utilities and select Startup Drive, the utility on the windows side DOES see the OSX partition and gives me the choice to make OSX the default boot OS if I want or I can select Windows too.
So far everything works, sans the inability to see my OSX drives on the Windows side. I've not used Windows 8.1 yet and so now I'm quickly discovering what all of the fuss is about. I don't want to turn this into a Win8.1 rant but holy crap..... what did Redmond do? Anyway, I found enough copious threads on the web to get 8.1 almost looking like 7 so I'm happy. This was a major PITA however.
PS - One last note. All of this came about because my poor mid 2011 17" MBP finally started suffering the graphic adapter fail that so many have been seeing. Really torxs my chain as I really loved this trusty laptop. Sans the graphic card issue I should have been able to run it another 5 years at least but turned itself into an unreliable time bomb that I just can't trust. Its a real shame but it is what it is. The new 15" MBP are very nice, very fast and very well built but I miss my 17" screen for certain.
I hope this helps someone so they don't have to go through the pain I did.

Extreme poor quality in full screen preview and exported movie

I have spend evenings and evenings to create the content of a project.
After dealing with error -108 and extreme poor quality in full screen preview and in exported movies (extreme stuttering) I decided to install my iMac new again.
The error -108 disappeared, but the extreme stuttering still remained in full screen preview and in exported movies.
If I make the preview screen in the iMovie browser as big as possible there is nothing to see of any stuttering.
Now I am getting pretty annoyed and have no clue what to do anymore (how to solve this problem) .....
Anyone any suggestion ?
The orginal video was recorded with a Panasonic HD camcorder.
I do have a mid 2011 iMac with 16GB ram and 256GB SSD and 1TB HD with a complete clean installation
of OS X Lion and iLife. This configuration should be enough to create a proper movie :-(

mantralightroom wrote:
why is it this option disabled? do the generate monitor sized previews increase a lot the cache a lot!
Potentially, yes. The standard Preview is 1024 pixels, longest size. Some people (like Omke) have displays 2560 pixels longest side, potentially increasing file size by over 500%.

Poor quality/customer service from Digital Services LLC (Microsoft's provider of Wallet Cards and etc.)

Hi All,
I recently chatted with MCP support to inform them of poor shoddy service by their provider of Wallet Cards. Has anyone else had any problems with quality/service with the below provider? If so who can I contact to report the problems I had with
them?
Below is a copy of the statement I provided to MCP support:
I ordered a wallet card quite awhile back. Upon delivery I discovered that it was very poor quality and some of the lettering "Solutions Associate" was very faint.
I contacted arvato digital services LLC to report it. They requested that I send them a scanned copy of the wallet card.
They then agreed to replace it. I was told that it would ship 12/17/2013 and after a month or so of not receiving it I contacted them again and Daniel apologized and said it had gotten lost in production.
I was then promised a ship date in January. I had to contact them again and I finally received it today 2/7/2014.
The papers that came with it said my credit card would be charged.
To summarize: I was shipped a poor quality card which took them over 2 months to replace,
no improvement on the card still looks like the first one they sent me and finally they said my card would be charged .... AGAIN?
I want Microsoft to know what very poor service arvato digital services LLC is providing to their Members and how I can get a quality card replacement without any additional charge.
I offered to send the second poor quality card received and also the back and forth emails requesting that they resolve the problem.
By the email time stamps they will see the very long length of time it has taken to resolve this issue and the fact that it is still not resolved.

Same here. I just received them today (21/02/2014). Very very disappointed.
I ordered the Solutions Expert & Specialist Card. Both are terrible beyond all recognition.
Both photos in the cards are blurry, unlike the ones I previewed in the design page. Just like you said, the lettering ('Solutions Expert' & 'Specialist') on BOTH cards are very faint.
I even ordered the 'Specialist' card in German just for curiousity's sake.
On the bottom at the back of the card where you find the "Download the Tag reader app at: http://gettag.mobi" sentence, I found this incomplete (and perhaps just to show their level of incompetence) sentence:
aden Sie die Tag-Leseanwendung hier herunter: htt
Missing the first "L" and the incomplete "http://gettag.mobi"
First, you discontinued the MCM/MCSM program and the whole works last year. I know this is a very different thing and has a very big difference (and revenue). Now you showed the (lack of) care even for the tiniest bit of a Microsoft Wallet Card.
I see no use of contacting Arvato, just another time-wasting effort, third party subcontractor and all that.
Guys, forewarned is forearmed.

Fujifilm X100T poor quality RAW conversion?

I've been experiencing what appears to be poor quality RAW image conversion from the new Fujifilm X100T camera that is now supported by Lightroom 5.7.
It appears that Lightroom may be "honoring" the Chromatic Aberration correction that the camera itself writes to the EXIF files. This causes images with high contrast areas to appear very blurry or almost like they've had a filter applied to make them appear hand drawn. It may also be that the camera itself isn't focusing properly, but my tests confirm that the camera can focus just fine.
I've collected a few examples and additional details here:
http://bigempty.com/projects/2014/fujix100t/
Generally speaking I don't apply any in-camera sharpening, noise reduction, or other corrections as I prefer to work with the RAW file in Lightroom. The examples linked above do not apply any post-capture noise reduction, sharpening, chromatic aberration correction, or any other post-capture edits.
Has anyone else experienced this with the Fuji X100T? Is this typical of the X100 series image quality, or with Lightroom's processing of those RAW images?

Besides white-balance, Adobe software generally ignores what camera settings you use. The poor quality is just the best Adobe has been able to do with unique XTrans photosite color layout. Adobe software is apparently optimized to the common RGBG photosite layout.

Internal mic poor quality when recording in iMovie

I noticed exceptionally poor quality of internal mic when recording acoustic guitar piece on iMovie, with the built in iSight camera. Technically, the sound is called "Phasing" - it sounds like a slow 'whoosh' over all of the audio.
After investigation, I have found the cause to be the Ambient Noise Reduction algorithm added by Apple.
To remove this - go to:
System Preferences
Sound
Input
*uncheck* 'use ambient noise reduction'
Problem solved....
Now my question - does anyone know how to use the iSight (built in) and simultaneously and synchronously record audio using an External Mic - eg the Blue "Snowball" - which is a USB mic.
In theory, the mic should plug in and then show up as an external device, but when I select iSight camera as my video source - the Powerbook automatically assumes that I want to use the internal mic as my audio source.
Have tried to go to Sys Prefs and change 'Input' to USB - but no option to do so
All help appreciated
SK

Hi thanks for the response
unfortunately, it's got nothing to do with MIDI (which is just a series of controller information)
The Blue 'Snowball' External mic is essentially a 'USB Device' and should be recognised as such by the Mac. The data will come in as 16bit, 44.1khz AES bit stream and then be assigned a destination.
The problem is that iMovie does NOT allow me to separate the iSight camera from recording with 'internal mic'
I want a way of finding how to seperate them - and then assign the USB mic to be associated with the iSight camera - giving me iMovie/iSight videos - with PROFESSIONAL sound
sorry if i didn't make this clear
thanks again
sk

Cheaply manufactured product and poor quality assurance

Where do i start with this falsely advertised "entertainment machine" HP calls the HDX 18T Premium Laptop.
A month into purchase, the case of this laptop is bulging at certain areas (top of the screen which is collecting dust and overheating, and the fingerprint scanner / sound card area, causing me to have to push it down in order to hear out of the speakers or headphones). Even when the sound does work, the quality is horrible. Think of your favorite song or movie playing and in the background the sound of nails scratching on a chalkboard. All the rubber stoppers have fell off because of cheap glue (leaving glue stains), the battery doesn't even last 30 minutes when the laptop is idle and now the charger is dead. Did i mention i payed $1,300 for all of these problems? Thank god i had a discount code or i would of paid $1,500 to get this rectangular piece of plastic.
Ive contacted HP Total Waste of Time 3 times and spoke to numerous people over the phone and email. The information, troubleshooting, and resolutions i was presented with were as helpful as a chocolate teapot.
All of these problems are due to cheap manufacturing and poor quality assurance on HPs part. These problems don't warrant a repair, but an exchange if not a refund for the amount i spent on this laptop and the numerous problems ive encountered with it.
My last conversation over the phone with my case manager (sadly i didn't get his name) just toped my whole sour experience with HP regarding this laptop. Ive been a long time HP customer, buying 4 HP G60s and this HP laptop just last year alone and forwarded many people to HP. Saving $1000 and losing a long time customer is in the better interest of HP than exchanging a cheaply and poorly made product with countless problems. At least thats what your representatives have told me.
No wounder HP took this laptop off their website only a couple months after it first shipped.

My experience with HP is very annoying.
My DV6 laptop had a broken right hinge and a loose mouse left click button. I sent it for repair and I got an email saying that the damage is not covered by the warranty, reason being... it was a damage due to accident or misuse. That really pissed me off. The notebook was never in an accident. About misuse, how can you misuse a mouse left click button and a hinge. The reason why the hinge broke was, it was set too tight. You need to apply more than a reasonable force to open it. I use Dell computer at work, never I had this problem. In fact my Dell laptop at work is one year older than this one.
What makes the situation worse is the way the call center in India handled it. I called on a Saturday to find out the status of my laptop. The guy mention that it wasn't repaired for the stated reason. I asked for someone who has more authority so that I could appeal my case. He told me to call the following Monday during office hours so that I can talk to a case manager. I called Monday, talk to a regular call center representative and requested to talk to a case manager. I was immediately informed that...that was the decision of the case manager. I told the rep to send it back immediately. I have no patience banging heads with a company who blames customers for the failure of their product. Yes, HP saved $292. Guess what, I will never buy HP product again. Also, I will share my HP experience with my friends in Facebook, Tweeter etc. I know how this big companies think, we are just one of their thousands customers.

Late 2012 13" macbook pro vs mid 2014 13" macbook pro

Hello All,
I have been using late 2012 macbook pro 13" with retina display and thinking to replace it with mid 2014 macbook pro 13", could you help me to understand the difference between the 2 models?
Thanks.

The range of reported problems using an external monitor or projector and the mid-2012 MBP is dizzying. The only way I've found to use an external monitor is to shutdown and plug the monitor in prior to rebooting. Any attempt to attach a monitor (or projector) after I'm up and running fails. All the trashing of plist files, resetting PRAM, etc etc. doesn't solve anything.
And turn off energy savings. If my MBP goes to sleep, it won't find the external monitor when waking. I have to reboot again.
Bush league problems. Our only encouragement is that it appears to be a software issue, since booting into Windows solves the problem. So we can hope for a fix. I'm pretty disgusted with Apple here. They've had a lot of time to fix this since 10.8 was released. I've been an exclusive Apple user since 1984. But as they've gotten fat and sassy, their quality control and responsive service has sunk. I can put up with their secretive, non responsive approach if things get fixed. But if they don't, they're headed for the ash heaps.

Is KVM VGA Passthrough Possible on Macbook Pro Mid 2014?

I've been using Arch on and off for a couple years on different hardware, and this time I'm trying to get it to work semi-flawlessly on my mid 2014 Macbook Pro. My Linux skills are meager, so I need some help understanding if VGA passthrough is possible on this machine, and if it is, how to set it up. I have hope that it might work after reading this blog and the Arch forums. An outline of my current setup follows. I will also document progress and research for anyone who might want to try this in the future.
Here are the specifications for this machine:
Processor: 2.5 GHz Intel Core i7
Memory: 16 GB 1600 MHz DDR3
Graphics: Intel Iris Pro 1536 MB, Nvidia GT 750M 2 GB
I have successfully dual-booted Mac OS X Yosemite and Arch with EFI on a btrfs partition using this blog and the wiki as starting points. Somlo's research also helped. All the basic functionality works (networking, WiFi, etc.), and I am able to boot the physical Arch partition as a Virtualbox VM with the help of the wiki. However, I'm having trouble with getting the integrated Intel graphics to work. The following command:
lspci | grep VGA
prints the Nvidia card specifications, and nothing about the Intel graphics.
Reading this blog, it looks like someone had to apply a "grub gmux" patch to grub to disable the Nvidia card at boot. I feel uncomfortable installing anything other than the official Arch packages, so I have to know if installing a patched grub is still necessary, and if installing it would still allow me to use VGA passthrough in KVM.
My ambitious to-do list looks like this:
1. Dual-boot Mac OS X and Arch with btrfs. -done
2. Setup the physical Arch partition to boot in Virtualbox. -done
3. Get Intel graphics to work on Arch ideally with OpenGL support. -done
4. Get Enlightenment working as the desktop environment on Arch. -done
5. Get Qemu+KVM to boot off the physical Mac OS X partition. -tbd
6. Enable VGA passthrough for Mac OS X from Qemu+KVM. -tbd
7. Install Windows as a VM in Qemu+KVM. -tbd
8. Enable VGA passthrough for Windows from Qemu+KVM. -tbd
9. Work and do research on Mac OS X from Arch, play hardcore 3D games on WIndows from Arch, play around with Arch, and live happily ever after. -tbd
Can anyone help me with this? Thanks in advance for any hints/input.
Edit:
The Ubuntu forums has something about getting the two graphics cards to be recognised by using `refind` instead of `grub`. I was able to set up `refind` to boot using the `efi-stub`, but:
$ lspci
00:00.0 Host bridge: Intel Corporation Crystal Well DRAM Controller (rev 08)
00:01.0 PCI bridge: Intel Corporation Crystal Well PCI Express x16 Controller (rev 08)
00:01.1 PCI bridge: Intel Corporation Crystal Well PCI Express x8 Controller (rev 08)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d5)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5)
00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 (rev d5)
00:1f.0 ISA bridge: Intel Corporation HM87 Express LPC Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 750M Mac Edition] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1)
03:00.0 Network controller: Broadcom Corporation BCM4360 802.11ac Wireless Network Adapter (rev 03)
04:00.0 Multimedia controller: Broadcom Corporation 720p FaceTime HD Camera
05:00.0 SATA controller: Samsung Electronics Co Ltd Apple PCIe SSD (rev 01)
06:00.0 PCI bridge: Intel Corporation Device 156d
07:00.0 PCI bridge: Intel Corporation Device 156d
07:03.0 PCI bridge: Intel Corporation Device 156d
07:04.0 PCI bridge: Intel Corporation Device 156d
07:05.0 PCI bridge: Intel Corporation Device 156d
07:06.0 PCI bridge: Intel Corporation Device 156d
08:00.0 System peripheral: Intel Corporation Device 156c
still only shows the Nvidia card. The boot options suggested by this blog did not change anything. However, this very helpful discussion led me to this on-going project. I patched the kernel according the instructions in the said project's `readme`, and Arch is now able to see the two graphics cards and an extra Intel audio controller.
$ lspci
00:02.0 VGA compatible controller: Intel Corporation Crystal Well Integrated Graphics Controller (rev 08)[/bold]
00:03.0 Audio device: Intel Corporation Crystal Well HD Audio Controller (rev 08)
01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 750M Mac Edition] (rev a1)
Also, I was able to fire up Enlightenment using the Intel graphics card and `0xbb`'s `gpu-switch` script. After using some post-installation tips from this, the computer started getting hot. I followed this thread to get it back to normal.
Edit:
So I finally got some time to experiment on this. I ended up installing Gnome 3 after trying out Enlightenment, KDE Plasma 5, and Cinnamon. I thought Gnome 3 and Cinnamon had the best Hi-DPI support of those four. Cinnamon's look was too much trouble for me to configure, so I ended up choosing Gnome 3.
To achieve the graphics card passthrough, I tried setting up and starting a VM in `virt-manager`, but starting the VM would cause Arch to freeze. Finally, I tried following the instructions on the wiki, this thread, and the Arch forums. I haven't yet tried booting the Windows installer, but the following are the steps I took so far:
1. Uninstall all `nvidia` drivers from my system.
2. Blacklist the `nouveau` driver.
3. Add `pci-stub` to the modules array in `mkinitcpio.conf`.
4. Recreate the `initramfs`.
5. Add `intel_iommu=on pci-stub.ids=10de:0fe9,10de:0e1b,8086:156c` to the `refind.conf` `options` line.
- These three IDs are ones for the Nvidia graphics, Nvidia sound, and the "Intel Corporation Device" (probably the HDMI port, or something related to the
ethernet card), which belong to the same "IOMMU group". What was curious was that a Gigabit ethernet controller would appear in the IOMMU group iff I had
an ethernet cable connected to my thunderbolt port. I don't know if I have to add the ID for this, but so far there are no complaints about it in `dmesg`.
6. Install `ovmf-svn` from the AUR.
6. Follow the "Binding a device to vfio-pci" section documented at https://bbs.archlinux.org/viewtopic.php?id=162768.
7. Follow the "Testing if its working out" section documented at https://bbs.archlinux.org/viewtopic.php?id=162768.
So far, the test at step 7 is failing -- I get a `vfio-pci 0000:01:00.0: Invalid ROM contents` complaint in `dmesg`, and I see a prompt in the `qemu` window. I'm supposed to be getting a black `qemu` window, and a prompt on an external monitor which I haven't connected yet. I read the comments on this blog about graphics card ROM and EFI compatibility, and it looks like my graphics card ROM can't be read. I also read that the graphics card ROM would only be read once by qemu/KVM and saved as a file for later use, so all I need to do to get around that is pass a snapshot of the ROM of the Nvidia GT 750M card to qemu/KVM. Apparently, "You can download the 750m rom files directly from Lenovo's website on the support page" according to this thread, but all I see is this. I will continue hunting around for a ROM file for this graphics card.
Last edited by rb3 (2015-06-05 02:01:20)

It`s not beacuse of the case. I have the same problem with a macbook pro retina 15 late 2013 (I7 - 2.3 Ghz, 16 GB, 512 SSD, GT750M) with windows 8.1 on bootcamp. The temperature is higher than yosemite. It gets easily at 80 celsius in a demanding game, while on yosemite it barely reaches 55-60 under heavy load. It`s beacuse of windows, and these are the temperatures, I got the same average 55-60 in windows and 45 celsius in yosemite. I read on the forums and I tried evend with a cooler pad. But it doesn`t seem to be any improvement with lowering the temperature in windows.

MacBook Pro Retina (mid 2014) failing Memtest ?

Hi !
I'm experiencing issues with my MB pro retina mid 2014 since I have it (1 month now) : kernel panic, reboots, freeze, and so on. As I have a little experience with computers, I thought it sound like a memory issue. So I ran memtest (from USB stick, and from the OS) after a complete reinstall (from the network).
Now, memtest from USB stick shows 10560 errors and freezes the computeur after 1h30. Memtest from the OS shows that :
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only
NOTE: No command-line arguments have been specified
Using defaults: Test all available memory, one test pass, no logfile
Mac OS X 10.9.4 (13E28) running in multiuser mode
Memory Page Size: 4096
System has 4 Intel core(s) with SSE
Requested memory: 5943MB (6232047616 bytes)
Available memory: 5943MB (6232047616 bytes)
Allocated memory: 5943MB (6232047616 bytes) at local address 0x0000000101000000
Attempting memory lock... locked successfully
Partitioning memory into 2 comparison buffers...
Buffer A: 2971MB (3116023808 bytes) starts at local address 0x0000000101000000
Buffer B: 2971MB (3116023808 bytes) starts at local address 0x00000001babac000
Running 1 test sequence... (CTRL-C to quit)
Test sequence 1 of 1:
Running tests on full 5943MB region...
Stuck Address : ok
Linear PRN : ok
Running comparison tests using 2971MB buffers...
Random Value : ok
Compare XOR : ok
Compare SUB : ok
Compare MUL : ok
Compare DIV : ok
Compare OR : ok
Compare AND : ok
Sequential Increment: ok
Solid Bits : ok
Block Sequential : ok
Checkerboard : testing 19 of 64
FAILURE! Data mismatch at local BUFA address 0x00000001a144b978, BUFB address 0x000000025aff7978
BUFA Data: 0xaaaaaaaaaaaaaaae, BUFB Data: 0xaaaaaaaaaaaaaaaa
Bit Spread : testing 1 of 128
FAILURE! Data mismatch at local BUFA address 0x00000001a42e09f8, BUFB address 0x000000025de8c9f8
BUFA Data: 0xfffffffffffffffe, BUFB Data: 0xfffffffffffffffa
Bit Flip : testing 3 of 512
FAILURE! Data mismatch at local BUFA address 0x00000001a0d4f978, BUFB address 0x000000025a8fb978
BUFA Data: 0x0000000000000005, BUFB Data: 0x0000000000000001
Walking Ones : testing 3 of 128
FAILURE! Data mismatch at local BUFA address 0x00000001a18c1978, BUFB address 0x000000025b46d978
BUFA Data: 0xffffffffffffffff, BUFB Data: 0xfffffffffffffffb
Walking Zeroes : testing 4 of 128
FAILURE! Data mismatch at local BUFA address 0x00000001a21bd978, BUFB address 0x000000025bd69978
BUFA Data: 0x000000000000000c, BUFB Data: 0x0000000000000008
*** Memory Test Failed *** Please check transcript for details.
Execution time: 512 seconds.
I run the global Apple Hardware test that says there is probably an issue with a memory module.
Here's my trouble : I went to my nearest Apple Premium reseller, the tech guy says my Macbook has no issue, and is in perfect condition... he just made a test like in the terminal : yes something, to "stress" the memory. He says memtest isn't edited by Apple and its results are not relevant, and AHT is just a simple user diagnostic tool, but it's not relevant neither...
But I'm pretty sure AHT AND memtest can't be wrong ? What can I do ?

I have the same problem with MBP 15 retina 2013 late... I think something goes wrong.... ((((

Mid 2014 Macbook Pro Hard Freezing due to GPU Hang...

Hello,
I have a Mid-2014 Macbook Pro (10.10.2) that I have been using for a few weeks now. I keep on getting random hard freezes on Google Chrome. Before, this used to happen about once a week, but now it seems to be happening much more often (like once to twice per day) - I haven't updated my software recently so this could possibly be an issue. When I had this exact same GPU hanging issue on my first Macbook Pro (bought 2 months ago), I had it exchanged for this one, but now I am encountering the same problem! I tried looking at Console.app and got a System report telling me that I had a "GPU reset"and also showed an "Intel GPU Hang Summary" with a "hang analysis". I know this is most probably relating to the GPU to some extent, but I'm not sure what exactly is the cause of this hanging. Any ideas? Also, any way to get around the hanging problem (I can just decide not to use Chrome anymore, but that would be a band-aid solution at best).
Thanks!

Could this really be a hardware issue at this point?
The best way to determine that is to have it tested.

Black boot screen and startup manager on mid 2014 rMBP after upgrading to Yosemite

After upgrading to Yosemite I'm experiencing black booting process. Moreover, I noticed that the startup manager, which we access by holding the option key, has the black background too. I didn't like the Yosemite, so I downgraded back to Mavericks, but I still have the startup manager with the black background and the initial screen during the startup sound is black too, and after that the grey screen with the Apple logo comes up, which is typical for Mavericks. I want my startup manager to have the grey background as before. And also, before there was the grey screen during the startup sound, not the black one. How to revert all this to the previous state? I'm experiencing all this on my rMBP, 13-inch, mid-2014.
I want to revert because after downgrading back to Mavericks my rMBP started freezing terribly, especially on youtube, ebay and app store. And it's not just the web browsing, it's freezing when navigating in finder too. I know there are many experienced users here, so I hope that somebody can help me with this. Before upgrading to Yosemite my machine was running flawlessly.

nobody?

Bootcamp Installation rMBP Mid 2014 Chaos

I am trying to install Bootcamp on my friends mid-2014 13" rMBP without success.
So far we have spent 2 nights and 6 hours working on this. I am convinced there are problems with Apple's Bootcamp Utility and/or firmware.
After successfully creating the USB installer drive, and partitioning the mac, we cannot boot from the USB drive.
I am an advanced user and have tried everything, including different ISO's, PRAM resets, booting from the CD with Superdrive, the whole deal.
What's disappointing is that I'm helping my mate out who is new to the Mac, he still occasionally needs Windows and this was a major feature that led him to switch. It doesn't make Apple look good. Obviously, from reading the forums, this is a common and well known issue with the last two generations of rMBP.
We are currently deployed overseas and don't have access to an Apple Store or genius.
I know these are user-forums, but I assume Apple does monitor these from time to time, they would be stupid not to.
Any ideas?

I am trying to install Bootcamp on my friends mid-2014 13" rMBP without success.
So far we have spent 2 nights and 6 hours working on this. I am convinced there are problems with Apple's Bootcamp Utility and/or firmware.
After successfully creating the USB installer drive, and partitioning the mac, we cannot boot from the USB drive.
I am an advanced user and have tried everything, including different ISO's, PRAM resets, booting from the CD with Superdrive, the whole deal.
What's disappointing is that I'm helping my mate out who is new to the Mac, he still occasionally needs Windows and this was a major feature that led him to switch. It doesn't make Apple look good. Obviously, from reading the forums, this is a common and well known issue with the last two generations of rMBP.
We are currently deployed overseas and don't have access to an Apple Store or genius.
I know these are user-forums, but I assume Apple does monitor these from time to time, they would be stupid not to.
Any ideas?

Poor quality speakers on Mid 2014

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