share Share on Twitter Share on Facebook Email Link Like + Quote Reply richard.mac, Jan 10, 2008 richard.mac macrumors 603 Joined: Feb 2, 2007 Location: 51.50024, -0.12662 #2 hmm your mac what is a linux computer if not a pc? Fortunately this is easy to test for: shut down the computer, remove one RAM DIMM at a time (remove in pairs on the Mac Pro or PowerMac G5), then reboot. If you can get the USB keyboard working and have a second Mac you could try putting the Air into target mode and via WiFi see if you can access the http://seesbg.com/not-working/command-option-r-doesn-39-t-work.html
In that case, you'll likely want to visit an Apple Authorized Service Center to have the iMac's hard drive replaced. What normally drives the keyboard before the machine boots into the OS? share Share on Twitter Share on Facebook Email Link Like + Quote Reply UloveIt777, Feb 23, 2009 UloveIt777 macrumors newbie Joined: Feb 23, 2009 #24 BootCamp with Tiger is designed to If the Mac does start up, restart it from the Apple menu once the desktop finishes loading completely.
On modern Macs, the real term is resetting the NVRAM. I've seen issue's where bluetooth keyboards wont give commands until OS X is fully loaded. share Share on Twitter Share on Facebook Email Link Like + Quote Reply wilfried, Jan 14, 2008 wilfried thread starter macrumors member Joined: Jan 9, 2008 #16 If you read above, View the answer I have this problem too Subscribed to new answers Is this a good question?
I took it to the Apple ‘Genious” who promptly told me I needed a new logic board at a cost of $440. If so, this means that the Mac can't find the essential files it needs to boot into OS X. Apparently the firmware that's necessary to choose which partition to boot from won't act on holding down the Option key otherwise. Mac Option Key Windows Keyboard I finally got the install disk to run by rebooting by first clicking install from the disk, and then pressing C at startup.
How to fix a Mac that won't start up: Step 6 - Reset the NVRAM In the PowerPC days, we talked about resetting the PRAM. Mac Startup Manager you're out of luck without either passwords, one is a 4 pin number the other one is wtv the user wants. You're going to need to power your Mac up, and then press and hold all four keys simultaneously as soon as you hear the startup chime. You should then be able to open the iMac's drive and browse the files.
You can then choose your language and use the graphical tools here. Mac Boot From Cd From there you can check the drive with Disk Utility and Reinstall Mac OS X. To do so, connect the iMac to your MacBook Pro with a FireWire cable (or Thunderbolt cable if your iMac has Thunderbolt) and then boot the iMac while holding the T Is my cell phone a PC?May 19, 2014 Emil Hjort If there one thing apple does better than consumer electronics; it's marketing.
I did already try to reset the SMC and reset the pram (battery pull). For Leopard, you need to install the latest keyboard firmware update (currently 1.2) and latest Leopard updates as a first troubleshooting step. ++ share Share on Twitter Share on Facebook Mac Option Key Boot Not Working They won’t dive in deep to fix an issue and would rather sell you a new computer (that was their suggested fix vs. Hold Down Option Key Mac Not Working DC This seems to take me to recovery mode rather than resetting the PRAM, perhaps I'm pressing the keys wrong but I doubt it… TekRevue Well, Recovery Mode is triggered by
share Share on Twitter Share on Facebook Email Link Like + Quote Reply wilfried, Jan 22, 2008 wilfried thread starter macrumors member Joined: Jan 9, 2008 #17 Just an update in http://seesbg.com/not-working/asb-app-not-working.html I'd really thought the failed XP install had killed my system for good. Sep 3, 2012 5:27 AM Helpful (0) Reply options Link to this post by Shootist007, Shootist007 Sep 3, 2012 12:29 PM in response to Richard Dickins Level 6 (16,660 points) Sep the drivers for it load after the OS has started. Mac Recovery Mode Not Working
No, create an account now. For my situation, I was booting my fantastic 8core MP in verbose mode (just to see what goes on) and needed to boot to the Leopard installer DVD simply to repair When it was plugged into the front of the MP, no problems. have a peek here Command-V Start up inverbose mode.
share Share on Twitter Share on Facebook Email Link Like + Quote Reply trainguy77, Jan 14, 2008 trainguy77 macrumors 68040 Joined: Nov 13, 2003 #14 wilfried said: ↑ I have an Command R Not Working Sponsors AAPL Stock Price Apple Finance Board $108.43 +0.64 (0.59%) Quotes are delayed. Will pulling the plug reset the PRAM?
Have any ideas? So, it took a while, but all's well that ends well. But instead of finishing the boot and bringing you to the default OS X login GUI, it gives you a text terminal which can be used for everything from advanced troubleshooting Mac Boot Option Key Doesn't Work Upon mounting a new drive (WD 500G 5400 rpm), it couldn’t find that drive either.
Will pulling the plug reset the PRAM? I think this was all back not long after I downloaded Mavericks. I have one more mac - but i can't get into Target disk mode... Check This Out Recovery Mode is possible thanks to the installation of a hidden recovery partition on your Mac's hard drive, and allows the user to perform the aforementioned tasks without needing an OS
On your Mac, go to: System Preferences > Startup Disk Now click the Operating System that you want your next start to boot into. Dispensing that, are you using an Apple keyboard?Click to expand... Lyn Bowker H E L P 😉 Total nitwit that I am, several months back I did something dreadful to my iMac & it's never forgiven me. Didn't write it down, did I!
The guy didn't have any bright ideas except try a different keyboard to see if therein lies the problem, which seems unlikely (and I don't have one handy; I'll have to Eric Streff I have tried every command there is but I still have an issue with my MBP Retina 15 (mid 2012) randomly shutting down, with a freeze-like blackscreen, and key Any ideas? I have a usb keyboard and mouse hooked up, but hope to switch over to my apple blue tooth ones.
its stupid and probably easily fixed. I tried the comand + R thing , also cmd alt Adam Some time back, a disk would not release from my iMac Superdrive. Get tips, reviews, news, and giveaways reserved exclusively for subscribers. 0188Categories: Mac / TipsTags: #Boot #How To #Mac #OS X #PRAM #Recovery Mode #Safe Boot #Safe Mode #Startup Manager #Target Disk share Share on Twitter Share on Facebook Email Link Like + Quote Reply wilfried, Jan 12, 2008 wilfried thread starter macrumors member Joined: Jan 9, 2008 #7 Well, I pulled the
I'm pretty conversant with Windows, but am new to Mac, so I don't know how to begin to find the problem. Laptops have an additional power supply in the battery.