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SUCCESS - 10.10.5 on HP ProBook 6550b - Guide to follow


themacmeister
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WOW, I never thought I would see this day. Luckily I began testing well before the WIFI card arrived (BCM943224HMS) So I knew I had partial success up to that point (Sound and Video working).

 

I used a very convoluted method using a myHack Mavericks 10.9.5 USB stick, and an Enoch bootloader 10.10.5 USB stick.

 

I probably could have just used the 10.10.5 stick, but I kept forgetting boot flags, so reverted to 10.9.5 which needed less.

 

IMPORTANT: I cannot boot with AppleHPET.kext installed, this was the main reason for needing to boot with 10.9.5 to move that file, and also remove graphics kexts for IntelHD. I then replaced with default replacements for 1st Gen Intel HD Graphics (Google it!) and my boot flags look like the following:

 

ForceHPET=Yes npci=0x2000 PCIRootUID=1 GraphicsEnabler=Yes rootless=0 dart=0

 

WIFI card that was installed was on HP whitelist, and using MacBookAir5,2 SMBIOS (MacBookPro doesn't work) I got working WIFI OOTB !!!

 

Installed MausiEthernet for Ethernet (untested, but shows up in connections)

 

Patched IDT AppleHDA for 10.10.4 (by TheKing from memory) - working sound and microphone.

 

Keyboard/Trackpad working with VoodooPS2 (latest)

 

Unfortunately, all my attempts at getting a decent DSDT file extracted have failed...

 

This has only been working for a few hours, and no software is installed yet - give me some time and I will create a proper guide with links etc.

 

GenerateCStates/Pstates working

Fan working

Full QE/CI video working

App Store working

Webcam working (at 1/2 resolution)

Internal Speakers working

Webcam Microphone working (a bit quiet).

 

Everything else will be tested tonight!

 

:D  :D  :D

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Just discovered that AppleIntelCPUPowerManagement is killing my laptop. Might try removing it and reinstating AppleHPET ("no hpet in appleintelcpupm" message shows up without NullCPUPM+AppleHPET).

 

I am generating my own C states and P States, so shouldn't need AICPM kext anyway. I would love to be able to get rid of NullCPUPM kext and possibly get sleep working!

 

More news as it happens.

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Sorry for the late reply. 1st gen Core i5 560m (2.66->3.2GHz dual core/4 threads) 8GB RAM (upgraded by me), Broadcom BCM943224HMS WiFi (upgraded by me), 1st Gen IronLake Intel HD Graphics (288MB), 1366x768 anti-glare LCD screen, 3 x USB 2.0, 1 x eSATA/USB2.0, DisplayPort/VGA out, SD-Card reader, DVD-Burner, Firewire 400, com port (YUP, olde style serial port!).

 

Currently working - Everything except sleep and ACPI screen brightness. I have patched DSDT and now have slider in Displays prefpane, but main patch failed, so no change in brightness :-(

 

Now have battery status working :-)

 

Still do not have AICPM installed, due to "No HPETs found" errors  !!!  dang!!!


NOTE: have not tested either video-out port...

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  • 1 month later...

Computer is only let down by graphics speed. Disable hardware acceleration in Chrome for a big speed boost (in settings/advanced).

 

Also, remember not to close the lid and put it to sleep...  it does not sleep, and you will be stuck with a black screen and only one option (forced restart).

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  • 5 months later...

Computer is only let down by graphics speed. Disable hardware acceleration in Chrome for a big speed boost (in settings/advanced).

 

Also, remember not to close the lid and put it to sleep...  it does not sleep, and you will be stuck with a black screen and only one option (forced restart).

 
Wanted to ask if you can provide your DSDT. I have a Probook 6550b on which I have 10.11.5 installed. However I'm having trouble getting some peripherals to work.
 
I'm experiencing same issues (sleep blanks screen, and never really sleeps and I have to power cycle, brightness slider does not actually change brightness). Were you able to make progress and also do you have SD card working?
 
PS - I have DW 1520 wifi card which has same broadcom chip but HP BIOS will not recognize. Not sure if I need BIOS update or if you can send URL to correct wifi card?
 
Really appreciate any help.
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  • 7 months later...

Sorry for late reply Griff, I no longer have the laptop, I have Mid-2012 15" Retina MBP now (maxed out).

 

RehabMan's GitHub site has wonderful laptop DSDT patches etc.

 

I got an HP-Branded BCM943224HMS from eBay... make sure it is HP BRANDED!!!

 

... using it RIGHT NOW in my desktop Hackintosh via PCIe adaptor :-)

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