DC Apple Hardware Test continues to appear on start-up. 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 #19 I'm going to try Not every time. Bizarre - I guess the extra cable adds some resistance/impedance that the USB circuit requires. check over here
Thanks. 🙂 TekRevue What kind of keyboard are you using? Simon On 24 Sep 2016 at 04:35, Bec said: Thank you! I'm saving this site. Thanks! https://discussions.apple.com/thread/6211069?tstart=0
Thanks! This was such a huge pain and now it works!! My desktop is a little more cluttered but that's a small price to pay for my sanity. the drivers for it load after the OS has started.
adding a few length (or shorting the wire, which is much more difficult) and the resonance is not there anymore… as Ham radio operator i could imagine something like this, as So glad I came across this!!! Also yes I think I might have encrypted files. Apple Usb Keyboard Not Working Keyboard was working fine via USB hub, but today suddenly stopped working.
Inserted between the original non-working port and it worked. In the ham radio world we want to have wires (read antennas)in resonance…with minimum SWR, (standing wave ratio), to get the most of power to the antenna and into the air… IT WORKED! https://www.ifixit.com/Answers/View/152647/How+to+fix+keyboard+that+is+not+working+during+startup Thank you so much!
If the keyboard works at boot, but not at a login window, its software. Apple Keyboard Not Working Green Light Flashing On 09 Oct 2016 at 23:01, Tim said: Holy crap, you totally rock! You should then be able to open the iMac's drive and browse the files. It doesn't sound like a Leopard problem, seeing as it appears before Leopard boots.
as I type. http://forums.whirlpool.net.au/archive/2275763 Thanks for sharing! Imac Wired Keyboard Not Working I need to talk to Apple about this on Wed. Imac Wired Keyboard Stopped Working On 29 Jan 2016 at 22:44, QJayQ said: I have a late 2013 iMac with OS X 10.9.5 Tried resetting the SMC numerous times and resetting PRAM numerous times with both
i can't believe i spent the entire evening trying to solve this by updating the sw, rebooting the os, reseting the settings…! check my blog It's a 45 min drive & they're on the top floor of a mall so I have to get a trolley from somewhere, put my big baby in it, push it My cat sat on my laptop, now the right side of my keyboard types the wrong characters How do I make an alien technology feel alien? This makes booting your Mac a simple and pleasant experience, but can also hamper troubleshooting efforts. Apple Keyboard Not Working After Changing Batteries
The other runs the volume up to max. Ever. Using a Mac Pro, with the newer aluminium wireless keyboard, Option does nothing at all, need to use a wired keyboard and mouse. http://da4design.com/keyboard-not/apple-ipad-keyboard-not-working.php There is no reason for a computer to work fine and all of a sudden have an issue that forces us to do all sort of nonsensical reboots, unplugs, resets etc...
Added in extension cable and hey presto it works ??? Imac Wireless Keyboard Not Working On Startup Thank you again. TekRevue Sorry for the delay in getting back to you; I was out of the office.
On 13 Mar 2015 at 08:39, Stuart Proctor said: Wow, weird… how and why does this actually work! Here's hoping this helps. Pressing C to start from the OS install disk doesn't work (I can't get it to boot from disk at all). Apple Keyboard Not Working Properly Recovery Mode Starting with the release of OS X Lion in 2011, Macs have offered a Recovery Mode that users can access to diagnose hardware issues, restore Time Machine backups, manage hard
On 20 Jul 2016 at 10:20, Wim said: Hi, I had another trick: when it stops working, I plug it into my colleague's macbook pro, confirm it works on his mac, And the worst thing is that Apple has some kind of magical influence over people which means they'll just put up with it or be happy to work around it. This site is not affiliated with or endorsed by Apple Inc. have a peek at these guys But it simply can not run its OS.
worked for me too. upgrades, changes of the frequencies for the power supply ??WHY is the question, maybe apple is reading through it and find out what to do for a next upgrade,until then using It's not the USB ports because I can see 2 external hard drives showing on the desktop. Bowing down in adoration . . .
They have to do with bad design. no one up for class-action lawsuit? 🙂 On 23 May 2016 at 06:12, Todd said: Why the fuck does this work. Thanks! Does this sound like a hardware issue or a software issue?
I used keyboard shortcuts to get to System Preferences and disable bluetooth and fixed the problem that way. Reply With Quote 12-10-2011,06:39 PM #9 dtravis7 View Profile View Forum Posts Member Since Jan 04, 2005 Location Modesto, Ca. Bought my new Mac in July, so it's curious it took months for the problem to first rear its ugly head. Using OS X.7 or later make a bootable USB thumb drive before running Installer!
To start viewing messages, select the forum that you want to visit from the selection below. Thank you so much for posting this. This behavior occurs every time there is a power failure. Welcome to Mac-Forums!
On 07 Mar 2015 at 08:57, Albin said: Amazing!