Non-volatile random access memory; RAM that doesn't lose the stored information when the power is turned off, unlike traditional RAM
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votes
2answers
88 views
nvram -p shows “LocationServicesEnabled %01” … does that mean I have a GPS?
What does LocationServicesEnabled mean on a MacBookPro Retina?
1
vote
0answers
205 views
Troubles with resetting PRAM
I followed Apple's instruction to reset PRAM ("Press and hold the Command-Option-P-R keys before the gray screen appears.") and the only thing that happened was that my Mac rebooted repeatedly until I ...
4
votes
1answer
581 views
How can I view/inspect my Mac’s Parameter RAM (NVRAM)?
Inspired by this question I started looking for apps that allow to read the data saved in my Mac’s Parameter RAM. Aside from a very antique (pre OS X) application for Classic, I could not find any. Is ...
0
votes
0answers
205 views
Mac OS X Base System interference
I have reviewed what has been written here regarding the Mac OS X Base System and I am still scratching my head.
The impetus for this inquiry is how these partitions interfere with booting problem ...
3
votes
1answer
366 views
MacBook Pro will not wake from sleep after installing third party application
I installed an application called Air Parrot that uses air play with an Apple tv to mirror or extend the desktop. I noticed that after I installed it, I am no longer able to wake my Mac from sleep. ...
1
vote
1answer
205 views
PRAM and NVRAM differences and overlap with eachother and UEFI firmware chip
Is PRAM stored on the same NVRAM chip that non-PRAM variables are stored. I always assumed that NVRAM was the UEFI firmware chip on the logic board. Are all of these one in the same (NVRAM - PRAM - ...
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votes
3answers
4k views
Poor battery performance after SSD install
I recently installed a Crucial SSD into my Macbook Pro (2.66 GHz Intel Core i7), and now the performance of my battery is probably about 50% of what it used to be.
I've tried to reset the PRAM, but ...
3
votes
2answers
734 views
Can't reset PRAM and reinstall OS!
I have a problem with my MacBook Pro 2010 13 inch, 2.4 GHz. Originally I had Snow Leopard installed on my Mac, then I was trying to upgrade it to Lion (official version from App Store).
During the ...
2
votes
3answers
5k views
How can I reset the PRAM if Recovery Mode keeps overriding the PRAM command?
Lion uses the ⌘ + R to boot into recovery mode. Resetting the PRAM in anything less than 10.7 was ⌘ + ⌥ + P + R.
Recovery mode now seems to override the PRAM command. Does anyone ...
