Register FAQ / Rules Forum Spy Search Today's Posts Mark Forums Read
Go Back   MacRumors Forums > Apple Hardware > Desktops > iMac

Reply
 
Thread Tools Search this Thread Display Modes
Old Dec 27, 2012, 09:21 AM   #1
scaart
macrumors newbie
 
Join Date: Dec 2012
iMac G4 USB Issues

Hi, I have an imac G4, Version 10.4.11. It has been working fine for many years, now all of a sudden, after trying to connect an HD Video camera to the hub, the mouse stopped working. Ever since, every time I start up the mac, the mouse and keyboard wont work, if I reconnect the mouse to the keyboard, both mouse and keyboard will work. If I then try and connect a portable harddrive to the usb hub, the mouse and keyboard will not work again. Please can someone tell me what is going on! Thanks in advance
scaart is offline   0 Reply With Quote
Old Dec 27, 2012, 09:54 PM   #2
CIA
macrumors 6502
 
Join Date: Jun 2003
Seems like there might be a short in the hub. Is it a stand alone hub or the one in your keyboard?
I'd replace the hub first (they are cheap thankfully).
CIA is offline   0 Reply With Quote
Old Dec 28, 2012, 07:48 AM   #3
scaart
Thread Starter
macrumors newbie
 
Join Date: Dec 2012
I have tried a different hub, and have the same problem. I have also started up the mac without the hub connected and still the same problem.
scaart is offline   0 Reply With Quote
Old Dec 28, 2012, 09:43 AM   #4
CIA
macrumors 6502
 
Join Date: Jun 2003
Does it happen with a different keyboard attached?
CIA is offline   0 Reply With Quote
Old Jan 2, 2013, 03:58 AM   #5
scaart
Thread Starter
macrumors newbie
 
Join Date: Dec 2012
Tried a different keyboard as suggested, works fine when I turn on the mac, and the mouse works fine too. Looks like it could be the keyboard that was faulty, so thanks for that Only prob now is that the portable harddrive will still not work, the mac just wont see it whether I connect the usb to the hub, or directly to the mac. When connected to a different mac (macbook) it appears straight away and everything on it can be accessed with no problems.
scaart is offline   0 Reply With Quote
Old Jan 2, 2013, 12:41 PM   #6
fhall1
macrumors 68020
 
fhall1's Avatar
 
Join Date: Dec 2007
Location: NY State of mind
Unless you have the very high end iMac G4, it's USB Bus is v1.1 not v2.0....maybe the external drive controller isn't backwards compatible with v1.1?
__________________
2012 2.3GHz i7 Mini, 16GB RAM; 2009 2.93 GHz C2D iMac, 8GB RAM, GT120 GPU
1.83 GHz CD Mini, 2GB RAM, 200GB HD; 1.25 GHz 17" G4 iMac, 2GB RAM, 128GB SSD
64GB Silver iPhone 5s, 64GB White iPad Air
fhall1 is offline   0 Reply With Quote
Old Jan 2, 2013, 12:53 PM   #7
scaart
Thread Starter
macrumors newbie
 
Join Date: Dec 2012
How do I find that out? I am currently looking on the system profiler under USB but cant see where it says the version. Just to point out though, the external drive was working fine with the imac for over a year.
scaart is offline   0 Reply With Quote
Old Jan 3, 2013, 07:50 AM   #8
fhall1
macrumors 68020
 
fhall1's Avatar
 
Join Date: Dec 2007
Location: NY State of mind
I believe the only iMac G4 that had USB 2.0 was the 1.25 GHz model. Anyway, since the drive worked for a year previously, that's not the issue.
__________________
2012 2.3GHz i7 Mini, 16GB RAM; 2009 2.93 GHz C2D iMac, 8GB RAM, GT120 GPU
1.83 GHz CD Mini, 2GB RAM, 200GB HD; 1.25 GHz 17" G4 iMac, 2GB RAM, 128GB SSD
64GB Silver iPhone 5s, 64GB White iPad Air
fhall1 is offline   0 Reply With Quote

Reply
MacRumors Forums > Apple Hardware > Desktops > iMac

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Similar Threads
thread Thread Starter Forum Replies Last Post
Late 2013 iMac owners w/ USB audio issues EpsilonExordium iMac 3 Jan 10, 2014 09:47 AM
USB 3 device being shown as USB 2 in Haswell iMac yjchua95 iMac 5 Nov 1, 2013 10:46 AM
Late 2012 iMac USB issues digitalfailure iMac 8 Mar 2, 2013 03:32 PM
New iMac with thunderbolt/USB 3.0 and old MB with USB 2.0 (Transfer iTunes/iPhoto)? sallycat17 iMac 14 Jan 27, 2013 06:30 PM
Issues with USB 3.0 External SSD on new iMac eatsleepdrink iMac 2 Dec 18, 2012 03:10 PM

Forum Jump

All times are GMT -5. The time now is 11:24 AM.

Mac Rumors | Mac | iPhone | iPhone Game Reviews | iPhone Apps

Mobile Version | Fixed | Fluid | Fluid HD
Copyright 2002-2013, MacRumors.com, LLC