Card reader no longer recognized

My Imac builtin card reader is not recognizing an SD card when it is inserted--have tried several that have been recognized fine in past. This has never happened before. Any suggestions?

Please do a SMC reset, if that doesn't have restart in Safe Mode to clear some caches. Please report back what occurs after trying new cards.
SMC RESET
Shut down the computer.
Unplug the computer's power cord and all peripherals.
Press and hold the power button for 5 seconds.
Release the power button.
Attach the computers power cable.
Press the power button to turn on the computer.
PRAM RESET
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Roger

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[SOLVED]Laptop Internal SD card reader no longer working

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uname -r
3.9.8-1-ARCH
lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 02)
00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 4 (rev 02)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] (rev 02)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02)
01:00.0 VGA compatible controller: NVIDIA Corporation G73M [GeForce Go 7600] (rev a1)
02:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller (rev 01)
06:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0)
06:04.0 CardBus bridge: ENE Technology Inc CB-712/4 Cardbus Controller (rev 10)
06:04.1 FLASH memory: ENE Technology Inc ENE PCI Memory Stick Card Reader Controller (rev 01)
06:04.2 SD Host controller: ENE Technology Inc ENE PCI Secure Digital Card Reader Controller (rev 01)
06:04.4 FLASH memory: ENE Technology Inc SD/MMC Card Reader Controller (rev 01)
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Bus 001 Device 002: ID 0c45:624f Microdia PC Camera (SN9C201 + OV9650)
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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 74.5G 0 disk
|-sda1 8:1 0 9.3G 0 part /
|-sda2 8:2 0 63.3G 0 part /home
`-sda3 8:3 0 1.9G 0 part [SWAP]
sr0 11:0 1 1024M 0 rom
fdisk -l
Disk /dev/sda: 80.0 GB, 80026361856 bytes, 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000f2f32
Device Boot Start End Blocks Id System
/dev/sda1 * 63 19535039 9767488+ 83 Linux
/dev/sda2 19535040 152296199 66380580 83 Linux
/dev/sda3 152296200 156301487 2002644 83 Linux
dmesg | tail
[17198.557922] mmc0: new SDHC card at address aaaa
[17535.391900] mmc0: card aaaa removed
[17537.984043] mmc1: new SDHC card at address aaaa
[18198.208331] usb 4-1: new full-speed USB device number 3 using uhci_hcd
[18199.855227] mmc1: card aaaa removed
[18221.345032] usb 4-1: USB disconnect, device number 3
[18473.771242] mmc1: new SDHC card at address aaaa
[20787.874847] mmc1: card aaaa removed
[21102.784624] mmc1: new high speed SDHC card at address e624
[21119.691467] mmc1: card e624 removed
It seems I have all the necessary information, but I am not sure where to go from here. It's obvious my laptop is detecting the card being inserted and removed, but the card reader is never listed in /dev so I can't mount it. It's listed under lspci but not under lsusb. I'm assuming that it was two weeks ago and that's why it worked, but I'm not sure how to get lsusb to detect it so it will work again. Thanks for any help you guys have.
Last edited by coolcashews (2013-07-06 00:32:55)

Thanks for your quick reply. Here are the logs you asked for:
lsmod | grep mm
mmc_core 94486 2 sdhci,sdhci_pci
usb_common 954 1 usbcore
pacman -Qi linux
Name : linux
Version : 3.9.9-1
Description : The linux kernel and modules
Architecture : x86_64
URL : http://www.kernel.org/
Licenses : GPL2
Groups : base
Provides : kernel26=3.9.9
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Required By : None
Optional For : None
Conflicts With : kernel26
Replaces : kernel26
Installed Size : 65511.00 KiB
Packager : Tobias Powalowski <[email protected]>
Build Date : Wed Jul 3 16:00:01 2013
Install Date : Fri Jul 5 11:31:57 2013
Install Reason : Explicitly installed
Install Script : Yes
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Can we get Apple to fix this...PLEASE?
This is a user-to-user forum. To make sure Apple gets your feedback, use the appropriate link on this page:
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Compatibility
Questions about compatibility?
Call
0800 048 0408 or Chat now
iPad models
iPad with Retina displayiPad miniiPad mini with Retina displayiPad Air
To sort the iPad suggest you restore the device especially if you did the update ovrer the air

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Card reader no longer recognized

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