MacBook Pro :: USB Recognized Only When Connected Before Boot

Nov 4, 2010

I have a 17' MacBook Pro and when I connect my PNY 8gb USB it does not recognize it. It only recognizes it if I boot the Mac with the USB already connected.

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Hardware :: Drive Recognized When Connected Via USB But Not When Connected Via FireWire?

Jan 28, 2009

I consider myself very good at all things Mac. But this one has me stumped.

I've just arrived home with a WD My Book Home Edition 1TB external drive. Formatted for Windows it mounted correctly via FireWire and USB.

First things first: I formatted it for the Mac... Mac OS Extended (Journaled), two GUID partition tables. So far so good. Each partition is recognized, each mounts like it should.

Time Machine then backed up my Intel iMac... again, everything's normal. No odd or unusual behavior.

Here's where things get strange.

For whatever reason I formatted the drive via USB. But my intention hereafter is to connect via FireWire... I need each USB port for peripherals.

But the drive isn't recognized through FireWire. I'm asked if I want to initialize it. When reconnected through USB the drive mounts again.

What's going on? Why is the drive recognized when connected via USB but not when connected via FireWire?

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MacBook :: USB Drive Not Being Recognized At Boot Up

Dec 17, 2010

So I expanded a bootable .iso image of openSUSEx64 11.3 onto my 16GB USB thumb drive following the steps I found on a website. When I restarted the MacBook with the option key pressed, the USB drive did not appear. Why the USB drive's not being recognized at boot-up? Here is the website I used (option 4): URL

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MacBook Pro :: Doesn't Want To Boot When CD Rom Is Connected

Jun 4, 2014

I have an issue with my MacBook Pro (2009) model.

When I'm connecting CD-ROM (internal one) computer doesn't want to boot nither from DC ROM nor from HDD.

As soon as I am dissconecting CD ROM system is booting up without any problem.

Info:
MacBook Pro, OS X Mavericks (10.9.3)

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MacBook Pro :: Unable To Boot From HDD But Works When Connected Via SATA

Apr 4, 2012

I recently was forced to restart my 13" MacBook Pro with Lion OS. After the standard start up sound and gray screen the startup ceased. After multiple failed tries and attempts to use command-r I removed the hard drive and connected it via. a SATA to USB2 connector. I'm assuming since I can work off the HDD because of the USB adaptor it is not a HDD error but something else. Would a new HDD solve the problem?

Info:
MacBook Pro, iOS 5.1

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OS X :: Automatic Safe Boot - Password Not Recognized

Sep 12, 2010

I own a MacBook, bought in 2008 with Leopard as an OS. It is the black model, if this helps. While I was browsing, Firefox started behaving strangely. It was taking forever to minimize windows and could not use the top right function to view all applications/windows open. I restarted the mac but when it booted up again it did not do it properly. For 10 minutes I had the greyish screen with the loading sign underneath the apple logo, then eventually it showed me the safe boot mode, asking for my password.

When I enetered it, it did not accept it (login window shakes at each attempt). I tried to log in from the CD, but again asked the password and did not accept the one I put in, even though I know it was the right one! Now I can't use the mac and can't access safe boot either. Would you know any workaround solution for this, like a way to reset the password? Have you got any clue on why the mac decided all in a sudden to boot up through the safe boot mode?

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Windows On Mac :: Boot Camp Partition Not Recognized?

Aug 14, 2009

After letting Windows 7 install (with empty, unpartitioned space) it created a 100MB recovery partition (WinRE) which seemed okay. But I can't mount the NTFS partition in OS X now. It fails to recognize it. It sees the unrecognizable WinRE partition and seems to not look any further (that's my guess, at least).

Picture attached from Disk Utility of the space that SHOULD contain TWO separate partitions. One for WinRE, the other an NTFS partition for Windows 7.

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OS X :: Won't Work With Camera / Only Recognized In Safe Boot Mode

Sep 7, 2010

Samsung TL350
OS X 10.5.8, MacBook

I cannot get my camera to be recognized by my computer when I plug it in and the computer is normally booted.

* If plug the camera into my MacBook, Image Capture and iPhoto will not recognize it.
* If I plug the SD card into my computer with a card reader, the card will be read just fine.
* The camera works on two other MacBook Pros
* The camera will be found on my MacBook if I boot into Safe Mode
* The camera is found in System Profiler when the computer is normally booted, however, the information provided is limited.
* The camera is found in System Profiler when the computer is Safe Booted, and the camera shows the full amount of information about the camera


When I open the system log and then plug the camera in, I receive the following:

Sep 6 11:46:14 JoAlDe kernel[0]: USBF: 958.769 AppleUSBEHCI0x27b8800::Found a transaction which hasn't moved in 5 seconds on bus 0xfd, timing out! (Addr: 3, EP: 0)
Sep 6 11:46:19 JoAlDe kernel[0]: USBF: 963.770 AppleUSBEHCI0x27b8800::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 3, EP: 1)

From what I understand, this means that the computer is unable to see that the camera is a Mass Storage Device, thus it times out and is unable to boot it as such.

So I set up my system with the USB Prober and the associated logging file.

I ran the USB Prober on level 7 while I connected the camera.

I know zilch about reading and comprehending any of the results except this snippet really stuck out to me:

It occurred twice more:

3635.575 [5] Finding driver for interface #0 of Samsung Digital Camera, matching personality using com.apple.iokit.IOUSBUserClient, score: 104999, wildCard = 5
3635.575 [6] Matched: idVendor (8107) idProduct (4152) bcdDevice (256) bConfigurationValue (1) bInterfaceNumber (0)
3635.575 [6] Didn't Match: nothing

Just looking at this particular result, it looks like the computer is unable to identify what exactly USB device is being plugged in.

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Mac Pro :: Remove Mac Raid Card From System / Drives Are Not Recognized At Boot Up

Oct 15, 2009

So I have followed a bunch of the 'MacPro with mac raid card users wanting to do bootcamp' threads. I have attempted all the hacking required but have not been successful. I heard that bootcamp 3.1 will fix this problem possibly... so in the mean time I would like to remove my SAS drives and raid card and just use the sata drives that I have to do Mac OS and Windows.

I have removed the card but when I plug the drives in and boot up the machine, the drives are not recognized. Is there some plug that I need to reconnect somewheres?

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OS X :: No Boot Up When FireWire Device Connected

Mar 8, 2009

I recently had to take my mac mini to pieces to upgrade its RAM to 2GB. I initially had problems with booting up - it would get to the white screen with the apple logo and think for about 2 minutes then restart and repeat the process indefinitely. I managed to fix this by removing the clock battery for a while. I also zapped the PRAM after installing. But now, the strange problem is that OS X wont boot up (it will get to the white screen, think, then restart) if my firewire devices are connected. In case this helps, I have two HDDs and a DVD burner connected in daisychain to the firewire port. It definitely boots up fine with any other peripherals/connections. Once OS X has booted successfully, I can then connect my Firewire devices which seem to work fine.

I have tested my new RAM with memtest and rember and everything seems fine. After upgrading my RAM, I would also get two alerts on start up - "Do you want the application "configd" to accept incoming network connections" and "Do you want the application "mdnsresponder" to accept incoming network connections ". I have fixed this problem with the help of this post: [URL]. Aside from the horrible idea that I have damaged some hardware, does anyone have any clues as to how I can mend this? A wise colleague of mine said that if it was a windows machine, he would look at the BIOS settings as he thinks my computer is trying to boot from one of the HDDs, and that I should try to find a list of boot drives and remove the firewire HDDs if they're on it. I know macs don't run BIOS, but is there anything similar I could check?

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Mac Mini :: Won't Boot With VGA Monitor Connected

Jun 13, 2012

I have a new Mac Mini connected to an older VGA monitor using the Apple brand VGA adapter.  The mini is fully up to date and runs perfectly when booted.  However, if I reboot the mini with the VGA monitor connected, it fails to boot.  I just hear the faint chime sound every other second.  There is no output to the monitor and the only way I can get it to boot is to disconnect the monitor and then power cycle the mini.  I can reconnect the monitor just seconds after powering back on and it finishes booting properly. 

I've also tested with an HDMI connected monitor (without the VGA adapter) and it boots just fine and the display works properly.  

Info:
Mac mini, Mac OS X (10.7.4)

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Mac Mini :: Slow Boot With Usb Connected On 2006?

Jul 5, 2012

My Mini Mac (early 2006) was working ok till 2 days ago when the boot times went into the 4 minute range with the USB CD printer from primera pluged in. I check the firm ware on both devices and they are current.

Info:
Mac mini, Mac OS X (10.4.11)

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PowerPC :: G4 Will Not Boot After Using Target Disk Mode Connected Intel IMac?

Feb 3, 2006

We have some new Intel iMacs and have transferred some information from our previous G4 PM (one MDD and one Quicksilver) to the new iMacs. For some reason the G4's will now not boot up and kernal panic on the gray Apple boot screen. This has happened to all the G4's we have in our office. They are running OSX 10.2.8 and the iMacs are running OSX 10.4.4. We can still mount the drives from the G4's using FireWire Target Disk mode.

I have tried zapping the PRAM etc but they still wont boot. I have also tried running the OSX 10.2 Installer disks to try and reinstall OSX on the G4's but the installer cannot see the drives?

I tried running the disk utility. It finds the hard drive but wont let me verify/repair permissions (the option is grayed out). It will only let me verify/repair the disk, but it finds no errors. The installer cannot find the disk at all.

We have more than one hard drive in the G4's and the target disk mode will only mount the system drive, it doesnt see the others, so we cannot retrieve out information. Whats going on. Never had this problem before.

Anyone have any idea what is wrong. Never had this problem before using the FireWire transfer.

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Windows On Mac :: XP Bootcamp - Connected, But Not Connected?

Aug 15, 2009

The little icon on the lower right corner of my XP partition shows that I am connected to my internet, and the connection is very strong. But when I open up Firefox or Steam or AIM, it all says I'm offline and asks if I would like to connect. I tried restarting, repairing the connection, and almost everything else I can think of.

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OS X :: Connected To The Internet, But Shows Not Connected?

Jun 10, 2010

I have a 13" MacBook Pro and it is not connecting to the internet! Airport says im connected to my internet connection, but safari won't load the internet. I tried Firefox and still, the same result. I resetted the modem and the router, but still nothing. The internet connection on my other computer works fine. So I got on the Windows partition and it connects to the internet! So it's just OSX that won't let me connect cause my Windows partition works fine.

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OS X :: External HD Not Recognized On New MacBook Pro

Jul 24, 2007

I recently bought a 2.2 Ghz Macbook Pro, and one of my external hard drives isnt recognized, its a USB powered Western Digital Passport [URL]. (Same as this one, but only 120GB). It runs fine on my old iBook G4, but when plugged into my new MBP, it doesnt run at all. Has no recollection of the hard drive at all. I've tried reformatting it, still nothing.

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MacBook :: Internet Not Recognized?

Feb 27, 2009

I just got my first Mac today. It's the 2.4 Ghz aluminum MacBook. I was really excited about starting things up, and then came setting up the internet. It recognized my family's DSL wireless network, but would not let me into it without a password. We never gave our router a password/encryption. Does anybody have any idea about what I should do? I'd really like to access the internet as soon as possible.

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MacBook Pro :: External HDD Not Recognized?

Mar 10, 2012

I am trying to connect a external HDD to the MacBook Pro. The external HDD used is Seagate FreeAgent GoFlex 1 TB powered by a USB cord connected to the laptop. The light on the HDD is not glowing neither does it feel like moving when touched. get the HDD working on the Mac?

Info:
MacBook ro, Mac OS X (10.7.3)

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MacBook :: PNY USB Drive Not Recognized?

Jun 18, 2012

I tried doing a few Google searches to find a resolution to this problem, but nothing that came up seemed to work, so I'm throwing this question out there. I recently bought a 16GB PNY metal attache for my  2011 MacBook Pro (OS X). That computer fails to recognize the drive. Here are a few notes: 

1. I tested the drive on a windows vista computer, and that computer recognizes the drive. I can read/write from it on that computer.

2. Neither USB port on my apple is faulty; other USB devices function fine via both ports.

3. I have tried several solutions including:

a) Restarting

b) Powering off, unplugging the power cord, waiting 15 seconds, replugging the cord, and booting up the computer

c) Restarting WITH the drive in the port

d) Leaving the drive in for a while to see if it would eventually recognize it (no results)

e) Reformatting the drive to FAT32 to make sure it's possible for my mac to read/write from it 

Info:
MacBook Pro (13-inch Late 2011), iOS 5.1.1

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MacBook Air :: 3G Dongle Is Not Recognized At All On It

Jun 21, 2012

I just bought today a Mac Book Air 11 "and my 3G dongle is not recognized at all on Mac yet it works fine on my Mac Book Pro Mac OS 10.6 Snow Leopard

Info:MacBook Air, Mac OS X (10.7.4), Modem 3G USB : HUAWEI E173s

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OS X :: Macbook Pro 13 - Importing JPG Files - Not Recognized

Sep 21, 2010

I recently bought a macbook pro 13, and this is my first time using my camera to take the pictures out. Whenever I go onto iPhoto or Image Capture it says the file in not recognized. Does anyone know what I can do?

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MacBook Pro :: SSD Not Recognized - Unable To Install

Nov 13, 2010

I have a MBP mid 2009 ( 3.06 Ghz - 8GB Ram). Through work I managed to obtain a Lenovo 256GB ( Toshiba ) SSD. When I replace the current 500GB drive with the SSD and boot with the snow leopard (10.6.3) disc, the drive is not recognized. I go into disk utility and the only drive is the DVD drive. I put the SSD in a pc laptop and booted with a Ubuntu Usb drive and it found the SSD first go, no issue, so the drive works.

Info on drive sticker is
Lenovo PN: 45N8206
Lenovo FRU : 45N8207
SOLID STATE DRIVE
THNS256GG8BAAA

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MacBook :: ISight Camera Not Recognized?

Nov 22, 2008

i bought a new alum. macbook about 3 weeks ago and so far i love it, but suddenly my isight camera isn't recognized in anything, and it doesn't light up? What could be wrong?

I tried in ichat and in photobooth

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MacBook :: Newly Installed HDD Not Recognized

Aug 5, 2009

I have the 13" MacBook Unibody with the 250 GB HDD. I wanted to replace that with my Seagate Freeagent Go 500 GB external HDD. I took off the enclosure and replaced the 250 gb with the 500 gb but the computer won't recognize the new 500gb HDD. All I get is a blinking question mark during start up which I know stands for HDD issues. The 500 gb HDD is working fine btw, I tested it after I took it out of the enclosure.It is a Serial ATA 2,5" and works just fine. Is the Macbook 13" Unibody not supporting 500 gb HDDs maybe? I checked the specs for the MacBook Pro 13" which is supposed to be the same as the one I have and it does say that it supports 500gb HDD.

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OS X :: Mouse Recognized As Keyboard On MacBook

Oct 25, 2009

Recently I bought a new mouse, I was overexcited and plugged it in, and there was a pop up saying there was a new keyboard but I clicked "Contine" this mouse doesn't work at all now, I thought it doesn't support mac at all! I searched about it on the net, they said that when they got that same pop up, they click "x" at the top left corner, you now, exits the pop up and got to use the mouse immediately. I tried it at my dad's laptop, got the same pop up but instead of clicking continue, I clicked "X" The mouse Works. So now I think this mouse is recognized as a keyboard on mine.

Additional Info:
Steelseries Ikari Laser (mouse)
MacBook running Leopard.

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Mac :: Headphones No Longer Recognized By Macbook?

Nov 2, 2009

I have been using my headphones in new macbook pro for about 3 months and everything has worked fine. About two weeks ago I started using external speakers, but my headphones still worked when I plugged them in, until about yesterday. The headphones are not even recognized the the volume just goes throught the laptop speakers. My headphones work with my ipod still so I know they are fine.

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MacBook Pro :: External HD Not Recognized When Replugged

Nov 21, 2009

I have a Iomega external hard drive and it was working great until two days. I must have unplugged the usb before I ejected it and now my macbook pro cant recognize it. In disk utility I saw the hard-drive but it would not let me format it. I dont know what to do?

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MacBook :: Cannot Play DVD - Not Recognized By System

Jan 17, 2010

MacBook about 1 yr old. It has been great playing DVD's. But I have this one DVD which the Mac won't play. I also tried it on my friends MacBook...no go. But the DVD does play on my PC's and my home DVD player. I made a copy of this DVD on my PC and tried the copy. No good as well. The MacBook does not recognize it. The DVD player never launches. I have to reboot the MacBook and hold down the mouse key to get the DVD to eject.

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MacBook Pro :: Old And New Hard Drives Not Recognized?

Aug 4, 2010

Last week, my Macbook Pro (13", Mid-2009 model) froze. I held the power button to shut it down, and when I tried to start it back up, it gave me the blinking folder of death. I tried to boot using my Snow Leopard disk to try and repair the disk, but there was no drive except my DVD drive found.

So, I brought it into a local Apple store, and the "geniuses" told me my hard drive had failed and that they could replace it for $300 (I'm 1 month out of warranty, no AppleCare). I declined the offer and bought myself a hard drive off NewEgg for $50 (Western Digital Scorpio Blue 500GB).

I opened the computer up, took out the old hd and put in the new one. I booted to my Snow Leopard disk to install it, and again there was no hard drive found. I tried to go through Disk Utility as well and there was no listed hd.

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MacBook Pro :: Apple Password Not Recognized On New?

Feb 1, 2012

I just bought a new macbook pro and used my time machine disk. All went fine until a message appeared that a device was incorrectly ejected. I clicked the message away and the transfer seemed to continue althpugh it suddenly needed twice the time as before the message. At a certain stage it asked for my apple password (as used o  my old machine which i was tranferring to the new one) but Now it doesnt accept my apple password anymore so i  am stuck!! I am sure the password is correct.  This thing is extra cruel as i had to buy the new one abroad after i was robbed at the airport. Luckily i always travel with my harddisk with backups from time machine but despit this i cant use my new macbook pro because of the above trouble.

Info:
MacBook Pro (13-inch Late 2011)

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