Question about Apple MacBook Pro PC Notebook

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USB port see's some and not others...

On my MacBook the left usb port see's everything plugged into it, but the right one see's tends to be rather pciky. For example the right one will not see my logitech mouse, but the left one will. On the other hand both work fine seeing a specific external usb dac, but only the left one will see a different external usb dac whereas the right one will not see it. help? have tried rebooting, etc.

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Posted on Aug 01, 2009

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You should be able to plug it in to your USB port and then open up Finder, the little square smiley face in the bar at the bottom of the screen. The flash drive should show up in the left column and then you can drag and drop files to it or if there is anything on it, you should be able to click on it and view the files in the larger right hand column.

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My Epson CX3900 will not read my Macbook. Everything seems to work at first but then it just will not print. The weird thing is that I can print on my other Macbook from the same printer. Do you know what...


Do both the macbooks have the same operating systems on them? If they do what I would is download the latest drivers from the Epson website and reinstal your epson drivers on the macbook that does not work.

The other thing is to check that usb port that you have put the printer on the macbook is working, so put the usb cable into another usb port on the macbook.

If your macbook is running a more uptodate system than the one that works i.e. 10.7 or 10.6 it is possible that the drivers will only work on 10.5 or earlier (according to the Epson website there are no drivers for 10.6 or 10.7).

Hope this helps.

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Keyboard and touchpad not working on macbook a1181 but power botton work fine


I've found the same problem - keyboard, touchpad and mouse buttons not responsive - and was almost ordering a new KB/touchpad replacement, thinking they were bad. I searched the internet and found that people had already done that with negative results. Studying the KB/touchpad circuit board I found that the controller was a USB device. So I had an idea, why not test it using one external USB port. I soldered the proper wires to a USB plug and connected it to a side USB port and, voil?!, it worked. Then, I removed 2 inductors from the original D+ and D- lines to isolate the KB/touchpad connector and soldered 2 pieces of wire to one of the side USB ports - in sequence, I covered that port with a small aluminum plate to avoid it being used for another device. Reassembled the computer and everything is working fine, back to normal (with one less USB port, of course).

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Trust headset HS2900 suitable for apple macbook?


On the MacBook there is no microphone port, if you look closely, it is not a microphone plug, it is a line in plug. Line in cannot record sounds from a microphone without amplification. What I would recommend doing is purchasing this adapter: http://www.newegg.com/Product/Product.aspx?Item=N82E16812186035&cm_re=usb_audio-_-12-186-035-_-Product- With this adapter, you plug your headset and mic into it and then it plugs into the USB port on your MacBook. Then you can just unplug it from the USB port when you are done.

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1 Answer

My computer says the USB port connected to my mp3 is drawing too much power and has shut down the USB port. How do I get around this? I have a MacBook Pro.


It look that your player is drawing too much current from your Macbook Pro: it is rather unusual nowadays but does happen even with some USB external 2.5in drives!
Solutions:
1) Buy a USB Power Adapter Y cable that plugs into 2 usb ports on your Computer an thus allows double the current (shop around as they are expensive on Amazon but pretty cheap on Ebay)
2) Plug your player via a 'Powered' USB Hub that can provide higher current (from its 'own AC/DC power pack') to each USB port on the Hub

Hioe it helps!

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No its not defective. If you use your usb modem, plug it in to a working port. It is the default or home port of the usb modem since it was installed on your system. If you use other port for it then it will not work.

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Sumtimez ports r damaged.somtimes not.. just chek other devices..if done..thn chek RAM!! lil chance tht u hv lost ur laptop!

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Does not work when cpnnected to the external USB hub. Says "Camers Off". Works OK when connected directly to MacBook USB port? Why?


Make sure your USB hub is working. Confirm by using the with other applications such as connecting your thumb drive or other connections. If other connections will work, then your external hub is okay. Other thing, if your usb hub runs at lower speed than 2.0, new gadgets connection may fail.

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