MacBook Pro 8,2 bricked radeon/i915 even outside linux

My hardware:
MacBook Pro 8,2
core i7, 8GB Ram, Radeon HD 6400M Series GPU, 1680x1050 non-glare screen
After having done a lot of reading, I tried to install Arch Linux onto my MacBook Pro. I re-installed MacOS, did all updates, and followed the wiki instructions. After a couple of failed attempts to get GRUB to EFI-boot from the Apple bootloader (carefully avoiding the usage of efibootmgr), I finally managed to EFI-boot the base system via reFind and EFISTUB. I quickly was able to set up everything I need, only X would work only with the radeon driver. But since I went through all the trouble to EFI-boot the machine solely for the purpose of being able to use the i915 graphics, I tried all the kernel paramters (radeon.modeset=0 and all the i915 parameters that are mentioned all over the places in all sorts of recommended/mentioned combinations). But no luck, startx would always exit with a "no screens found" message when configuring xorg.conf to use the "intel" driver. Needless to say, both xf86-video-radeon and xf86-video-intel were installed. Using the module acpi_call and doing "sudo turn_off_gpu.sh" ends up with "failed" messages only. Doing "lspci | grep VGA" returns both intel and AMD graphics adapter, so I should actually have successfully booted in EFI mode. I started blacklisting the radeon module, but lspci -k still shows the radeon module for the gpu. The only thing I did not try is adding the "outb" lines to GRUB as I'm not using GRUB and was very reluctant to change anything about my working EFI boot setup. Finally, I decided to try vgaswitcheroo. I read that I need to enable debugfs in the fstab before, so I added the line "debugfs /sys/kernel/debug debugfs 0 0" to fstab. Careful as I am, I rebooted before installing vgaswitcheroo.
And from then on, arch linux boots into a black screen. I can log in if I switch to tty1 or another and type blind, and I can reboot that way. Just as a routine, I try to boot up MacOS, and it also boots into a black screen. This has always worked so far, I tried that regularly. I totally panick and grab an Ubuntu 12.04 CD that happens to lie around and boot it via the apple bootloader in bios compatibility mode (which worked, before, too). It also boots into black screen. Even the darn MacOS Install DVD boots into a black scren now!
But I'm not the one that gives up easily. Since Arch displays all the boot messages until it loads the virtual console (I think), I messed around with the kernel parameters again and it turns out I can get to console login if I use radeon.modeset=0. I configured X to use the fbdev driver again, and there you go, I get graphical login and whatnot with radeon.modeset=0. Still, even though fbdev is used, the temperature is around 70 to 80 degrees Celsius. I decide to finally install vgaswitcheroo (systemd-vgaswitcheroo-units), since the whole thing is bricked anyway, and enable it via systemd. Radeon module is blacklisted. I still am only able to reach graphical or console target when radeon.modeset=0 is set, but now I got a X running with desktop effects on fbdev driver and around 50 degrees Ceslius temperature. Still, every other OS boots into black screen.
I seem to have completely messed up everything. Strangely enough, the arch system seems to be completely usable (except that it wakes up from suspend with that black screen now), but it seems to be the only system that can be run on that machine now. I would greatly appreciate any help on what might have gone wrong or what I could try to enable the gpu for other systems again.
Edit: I seem to have managed to brick reFind now, too. While trying to boot the MacOS Installation medium it seems to have magically "fixed" the EFI partition leaving me with no reFind at all now. There's no way I can access that stupid thing anymore. Gotta send it in, probably (
Last edited by halogene (2013-05-29 15:57:58)

I'm still reluctant to give up on that bricked machine... Since it is able to display part of the boot up messages of the arch install cd and the previously working installation showed everything until loading of the virtual console (at least that's what I believe it did when the screen went black), it looks to me that the problem lies in initializing a different graphical output. That would also explain why I was able to initialize X only with the fbdev driver... and the screen didn't flicker during boot-up when I did radeon.modeset=0 so I assume it stayed on framebuffer mode all along.
Does anyone know of a boot medium that boots into framebuffer video mode even though a GPU is present? All I'd need is a bash or similar shell. I can load into the UEFI shell with arch install CD, but I'm not familiar with that shell and it follows a different syntax than I am used to, as it is designed for an entirely different purpose. If anyone knows a boot medium that does not try to pipe the graphical output through the gpu (or the integrated i915 graphics). Must be something like this around?
Last edited by halogene (2013-05-31 08:16:13)

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Here's the report:
EtreCheck version: 2.1.8 (121)
Report generated 25 de febrero de 2015 15:09:42 GMT-7
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
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    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
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S.U. wrote:
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Thanks for corrrecting the year, yes your right about it, its a 3,1
The apple service place claimed that there was nothing wrong with the video card, they said that the problems was the DVD player, BT, battery and possibly the logic board itself but for that they would have to charge to test further, the test was free and the bill was over 500 euros, sounds un fair to me.
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Its scaring me know, i am forcing myself to use it more so the screen dies before its too late if its not already, i would like them to replace the parts they tested faulty with the acceptance that the battery since it still works but looks fat on one side.
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Triple-click anywhere in the line of text below on this page to select it:
PATH=/usr/bin:/bin:/usr/sbin:/sbin; clear; Fb='%s\n\t(%s)\n'; Fm='\n%s\n\n%s\n'; Fr='\nRAM details\n%s\n'; Fs='\n%s: %s\n'; Fu='user %s%%, system %s%%'; PB="/usr/libexec/PlistBuddy -c Print"; A () { [[ a -eq 0 ]]; }; M () { find -L "$d" -type f | while read f; do file -b "$f" | egrep -lq XML\|exec && echo $f; done; }; Pc () { o=`grep -v '^ *#' "$2"`; Pm "$1"; }; Pm () { [[ "$o" ]] && o=`sed '/^ *$/d; s/^ */ /' <<< "$o"` && printf "$Fm" "$1" "$o"; }; Pp () { o=`$PB "$2" | awk -F'= ' \/$3'/{print $2}'`; Pm "$1"; }; Ps () { o=`echo $o`; [[ ! "$o" =~ ^0?$ ]] && printf "$Fs" "$1" "$o"; }; R () { o=; [[ r -eq 0 ]]; }; SP () { system_profiler SP${1}DataType; }; id | grep -qw '80(admin)'; a=$?; A && sudo true; r=$?; t=`date +%s`; clear; { A || echo $'No admin access\n'; A && ! R && echo $'No root access\n'; SP Software | sed '8!d;s/^ *//'; o=`SP Hardware | awk '/Mem/{print $2}'`; o=$((o<4?o:0)); Ps "Total RAM (GB)"; o=`SP Memory | sed '1,5d; /[my].*:/d'`; [[ "$o" =~ s:\ [^O]|x([^08]||0[^2]8[^0]) ]] && printf "$Fr" "$o"; o=`SP Diagnostics | sed '5,6!d'`; [[ "$o" =~ Pass ]] || Pm "POST"; for b in Thunderbolt USB; do o=`SP $b | sed -En '1d; /:$/{s/ *:$//;x;s/\n//p;}; /^ *V.* [0N].* /{s/ 0x.... //;s/[()]//g;s/$.*: $$.*$/ $\2$/;H;}; /Apple|SCSM/{s/.//g;h;}'`; Pm $b; done; o=`pmset -g therm | sed 's/^.*C/C/'`; [[ "$o" =~ No\ th|pms ]] && o=; Pm "Thermal conditions"; o=`pmset -g sysload | grep -v :`; [[ "$o" =~ =\ [^GO] ]] || o=; Pm "System load advisory"; o=`nvram boot-args | awk '{$1=""; print}'`; Ps "boot-args"; d=(/ ""); D=(System User); E=; for i in 0 1; do o=`cd ${d[$i]}L*/L*/Dia* || continue; ls | while read f; do [[ "$f" =~ h$ ]] && grep -lq "^Thread c" "$f" && e=" *" || e=; awk -F_ '!/ag$/{$NF=a[split($NF,a,".")]; print $0 "'"$e"'"}' <<< "$f"; done | tail`; Pm "${D[$i]} diagnostics"; done; [[ "$o" =~ \*$ ]] && printf $'\n* Code injection\n'; o=`syslog -F bsd -k Sender kernel -k Message CReq 'GPU |hfs: Ru|I/O e|last value [1-9]|n Cause: -|NVDA\(|pagin|SATA W|ssert|timed? ?o' | tail -n25 | awk '/:/{$4=""; $5=""};1'`; Pm "Kernel messages"; o=`df -m / | awk 'NR==2 {print $4}'`; o=$((o<5120?o:0)); Ps "Free space (MiB)"; o=$(($(vm_stat | awk '/eo/{sub("\\.",""); print $2}')/256)); o=$((o>=1024?o:0)); Ps "Pageouts (MiB)"; s=( `sar -u 1 10 | sed '$!d'` ); [[ s[4] -lt 85 ]] && o=`printf "$Fu" ${s[1]} ${s[3]}` || o=; Ps "Total CPU usage" && { s=(`ps acrx -o comm,ruid,%cpu | sed '2!d'`); o=${s[2]}%; Ps "CPU usage by process \"$s\" with UID ${s[1]}"; }; s=(`top -R -l1 -n1 -o prt -stats command,uid,prt | sed '$!d'`); s[2]=${s[2]%[+-]}; o=$((s[2]>=25000?s[2]:0)); Ps "Mach ports used by process \"$s\" with UID ${s[1]}"; o=`kextstat -kl | grep -v com\\.apple | cut -c53- | cut -d\< -f1`; Pm "Loaded extrinsic kernel extensions"; R && o=`sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix\.cron)|org\.(amav|apac|calendarse|cups|dove|isc|ntp|post[fg]|x)/{print $3}'`; Pm "Extrinsic system jobs"; o=`launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)|\.[0-9]+$/{print $3}'`; Pm "Extrinsic agents"; o=`for d in {/,}L*/Lau*; do M; done | grep -v com\.apple\.CSConfig | while read f; do ID=$($PB\ :Label "$f") || ID="No job label"; printf "$Fb" "$f" "$ID"; done`; Pm "launchd items"; o=`for d in /{S*/,}L*/Star*; do M; done`; Pm "Startup items"; o=`find -L /S*/L*/E* {/,}L*/{A*d,Compon,Ex,In,Keyb,Mail/B,P*P,Qu*T,Scripti,Servi,Spo}* -type d -name Contents -prune | while read d; do ID=$($PB\ :CFBundleIdentifier "$d/Info.plist") || ID="No bundle ID"; [[ "$ID" =~ ^com\.apple\.[^x]|Accusys|ArcMSR|ATTO|HDPro|HighPoint|driver\.stex|hp-fax|\.hpio|JMicron|microsoft\.MDI|print|SoftRAID ]] || printf "$Fb" "${d%/Contents}" "$ID"; done`; Pm "Extrinsic loadable bundles"; o=`find -L /u*/{,*/}lib -type f | while read f; do file -b "$f" | grep -qw shared && ! codesign -v "$f" && echo $f; done`; Pm "Unsigned shared libraries"; o=`for e in DYLD_INSERT_LIBRARIES DYLD_LIBRARY_PATH; do launchctl getenv $e; done`; Pm "Environment"; o=`find -L {,/u*/lo*}/e*/periodic -type f -mtime -10d`; Pm "Modified periodic scripts"; o=`scutil --proxy | grep Prox`; Pm "Proxies"; o=`scutil --dns | awk '/r\[0\] /{if ($NF !~ /^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./) print $NF; exit}'`; Ps "DNS"; R && o=`sudo profiles -P | grep : | wc -l`; Ps "Profiles"; f=auto_master; [[ `md5 -q /etc/$f` =~ ^b166 ]] || Pc $f /etc/$f; for f in fstab sysctl.conf crontab launchd.conf; do Pc $f /etc/$f; done; Pc "hosts" <(grep -v 'host *$' /etc/hosts); Pc "User launchd" ~/.launchd*; R && Pc "Root crontab" <(sudo crontab -l); Pc "User crontab" <(crontab -l); R && o=`sudo defaults read com.apple.loginwindow LoginHook`; Pm "Login hook"; Pp "Global login items" /L*/P*/loginw* Path; Pp "User login items" L*/P*/*loginit* Name; Pp "Safari extensions" L*/Saf*/*/E*.plist Bundle | sed -E 's/(\..*$|-[1-9])//g'; o=`find ~ $TMPDIR.. $ -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $ | wc -l`; Ps "Restricted user files"; cd; o=`SP Fonts | egrep "Valid: N|Duplicate: Y" | wc -l`; Ps "Font problems"; o=`find L*/{Con,Pref}* -type f ! -size 0 -name *.plist | while read f; do plutil -s "$f" >&- || echo $f; done`; Pm "Bad plists"; d=(Desktop L*/Keyc*); n=(20 7); for i in 0 1; do o=`find "${d[$i]}" -type f -maxdepth 1 | wc -l`; o=$((o<=n[$i]?0:o)); Ps "${d[$i]##*/} file count"; done; o=$((`date +%s`-t)); Ps "Elapsed time (s)"; } 2>/dev/null | pbcopy; exit 2>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
7. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign ($) or a percent sign (%). If you get the percent sign, enter
exec bash
in the window and press return. You should then get a new line ending in a dollar sign.
Click anywhere in the Terminal window and paste (command-V). The text you pasted should vanish immediately. If it doesn't, press the return key.
If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know your password, or if you prefer not to enter it, just press return three times at the password prompt.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line "[Process completed]" to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report your results. No harm will be done.
8. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
When you post the results, you might see the message, "You have included content in your post that is not permitted." It means that the forum software has misidentified something in the post as a violation of the rules. If it happens, please post the test results on Pastebin, then post a link here to the page you created.
Note: This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
Copyright © 2014 Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Terms of Use of Apple Support Communities ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

MacBook Pro running updates won't startup, even in Safe Mode

I ran some software updates on my MacBook Pro running Lion and when it restarts it has a striped screen and says 'You need to restart your computer.' It won't even allow me to restart in Safe Mode. Any ideas?

Install or Reinstall Mavericks or Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
OS X Mavericks- Erase and reinstall OS X
OS X Mountain Lion- Erase and reinstall OS X
OS X Lion- Erase and reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible
because it is three times faster than wireless.

MacBook Pro won't recognize Canon MP800, even after reloading print drivers

Time Warner Cable updated servers. We had to update the DNS address for the MacBook Pro to maintain internet access. After doing this MacBook Pro doesn't recognize the Canon MP800 printer - shows no print drivers for Canon IJ Network , even after reinstalling printer software and downloading print drivers from Canon website - MPNavigator 2.0 keeps saying print driver has not installed. The MacBook is wirelessly networked with the printer and an EMac. We haven't updated the DNS address for the EMac because it still recognizes the printer and prints; however, we now don't have internet access with EMac as a result.

If printing wirelessly check your printer sharing settings - System Preferences/Sharing
If printer is connected directly to your computer, check your printer connections, read the troubleshooting section in your printer manual and check the printer manufacturer website for drivers you may need to update.

Photoshop CS/CS2 in Macbook Pro cannont create new file or even open file!

I got a Macbook Pro, updated all apple software to lastest version.
Installed Photoshop CS as i did in PowerPC, and it cannont create a new file after finishing installation!. The Imageready is no problem but it cannot transfer the file to PS neither.
the error message, "Photoshop cannot complete the required action DUE TO PROGRAM ERROR"
I tried to installed the PS CS2, tryout. same problem!
Please HELP!
Macbook Pro 15" Mac OS X (10.4.6)

Not sure what's happening there, but I've been running Photoshop CS2 on my MBP since the first week I had it. I updated to 10.4.6 and updated firmware today, and I just tried opening a file, and creating a new one, and it worked fine. Can you give a bit more information: for example, did you install from the original Photoshop CS2 disk?

I completely erased the operating system on an old macbook pro. Nothing is left, not even the base system. What to do?

This was stupid, I know. I didn't mean to do it that way, but the laptop (Macbook Pro intel core2duo 15 in) would freeze, was slow to load, and wouldn't let me partition the drive. I kept getting : unable to unmount when partitioning, or some other partition error. I didn't have much on it, so I know that the harddrive wasn't full or anything. I just had it fixed a few months back to boot with a whole new harddrive and motherboard.
I'm getting these same issues on my newer macbook pro come to think of it. this has all started happening to both laptops this month, only the older macbook pro was running snow leopard and the newer one is running mavericks. Nothing else other than my apple id is in common. i was able to erase macintosh HD and reintall mavericks safely without an issue on the newer laptop, but when i tried doing the very same with the older one, the entire operating system went missing.
Anyway, back to the old laptop. I tried loading linux mint onto it just to get it operational. I read on these boards to use rEFIt to load it. The laptop now has rEFIt when it loads, but it won't install anything or run anything else. Not linux mint, not ubuntu. Nothing.
I do not have any of the original disks. I know i can order them from apple, but I don't want to do that if it isn't going to load it anyway.
So i guess my question now is can I get this thing working again without having to take it to a repair shop for hundreds more? I'm trying to save money and have an extra computer for all of us to share. I'm working on my masters myself and the kids' schools are all about macbooks lately.
Please be gentle with me, I'm only trying to get answers and not insults.
Thank you,
N.

If you're wanting to put Snow Leopard back on your old laptop and you don't have the original DVDs, you should call Apple Support (800-MY-APPLE USA) and order the version of SL that came with your MBP. You'll be charged a small fee.

MacBook Pro will not detect external speakers, even though it did yesterday

I have a MacBook Pro and it is connected to my HDTV via an HDMI cable and adapter. Yesterday my laptop was able to detect the external speakers in the TV and sound was coming out of my tv from my mac. But today my mac isn't detecting the external speakers and no sound is coming out of my tv. I've tried turning things on and off in multiple ways. Unplugging and replugging the HDMI cable/ adapter. Both of the cables are plugged in properly. Whenever I go to System Preferences>Sound>Output my external speakers aren't showing up. This is so annoying, help me please! Thanks.

I had this problem, too for my 2014 MBP. The output speakers did not show up when I tried to connect through the HDMI port. However, the output speakers did show up when I used an HDMI to Thunderbolt cable.

Search on Safari is very slow on my MacBook Pro. Sometimes it doesn't even finish.

Safari doesn't seem to work on my MacBook Pro. It is really slow and never finishes. Very frustrating. Started about a week ago. Can anybody help?

Post in the Safari community for whichever os is installed on your computer.

MacBook Pro 8,2 bricked radeon/i915 even outside linux

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