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Toshiba Tecra W50-A


dchen4649
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Actually I believe we have Dell mobile Precision workstation fitted with Quadro K2100M that run OS X with full graphics support.

https://osxlatitude.com/index.php?/topic/8593-precision-m4800-brightness-slider-need-help/

 

Intel i7-4810MQ is indeed a Haswell CPU, so kernel power management patching is required.

 

What's the error reported when you boot your USB installer?

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Thank you, Herve and Jake.

Without -xcpm in the boot command, the LCD monitor is black, and USB does not have any activity (no LED lights flashing).
With -xcpm and without load cache and kext, the LCD monitor has following error if I removed dsdt.aml (The first picture). The USB has some activities for about a few seconds.

 

Thanks again and have a nice weekend.

 

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Thank you, Bronxteck.

 

The dsdt.aml was for Latitude E6440. The first picture was taken after I removed dsdt.aml, and without loading cache and kext.

This laptop PC has only three USB-3 ports and do not have any USB-2 ports. Could that be the problem?

 

Thank you,

David

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