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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 06-10-2015, 11:06 PM   #1
Red Squirrel
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USB SD card reader stopped working after Installing gfx card


I have a generic card reader (no brand name on it) that always worked, but since I installed a new graphics card, for whatever reason it refuses to work now. Any card I plug in it does not show up on the desktop, and nothing in dmesg. It's basically acting like it's not plugged in, but it is. If I plug a USB stick in the same USB hub then it works. The video card I installed is a Gigabyte GTX750 using Nvidia driver on Linux Mint 17.

How would I go about getting this to work? Thanks in advance.
 
Old 06-11-2015, 04:00 PM   #2
rokytnji
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Can't tell you how to fix it. Sounds like maybe a IRQ conflict in the bios that precedes the operating system.

I run into the same thing with a touchpad freeze on my netbooks after I put my netbook on the a/c charger that is not
stock but aftermarket chinese charger instead. I have to use a external mouse while on the charger.

So I guess what I am suggesting. Get a USB to SD external adapter and read your SD cards with that if sticking with that
graphics card. I can't really say for sure though with the little info given.

Just a best guess.
 
Old 06-11-2015, 04:30 PM   #3
jefro
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Double check with a live media or original 17 installer to see if usb shows up.
 
Old 06-11-2015, 04:55 PM   #4
Red Squirrel
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IRQ conflict? Isin't that a problem from the win98 days? That's the last time I had to deal with that.

I tried a live distro and it still wont show up, so this is looking pretty grim... I really want to be able to read SD cards from this machine. I have a DSLR that I use a lot. Is there a way to change the IRQ or something?

This motherboard sucks though, it acts very strange with an add-on video card. The post can take like 5 minutes at times, it's brutal. This is my main machine so RMAing is not an option or I'd be down for weeks, can't afford that not to mention I really don't feel like having to reinstall, I just dealt with that not that long ago and I finally have more or less stuff working like I want. Is there anything else I can do to get this working? If I buy another card reader is there a chance that it will work?

USB sticks work fine. Do they make card readers that just emulate a USB stick? I'm only really concerned about SD cards.
 
Old 06-11-2015, 05:01 PM   #5
rokytnji
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What I was talking about
 
Old 06-11-2015, 05:30 PM   #6
Red Squirrel
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Hmm nice to know Walmart has that, saves me from having to order and wait. Think I'll go check it out now.
 
Old 06-11-2015, 06:37 PM   #7
TobiSGD
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Just a shot in the blue, but what PSU are you using for this machine?
 
Old 06-11-2015, 07:39 PM   #8
Red Squirrel
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Found a USB reader at Future Shop, and that one works! It's basically one that does only SD and micro SD so it probably just emulates a USB stick, which works fine.

PSU is Corsair CX Series CX600M 600W ATX 12V 80 Plus Bronze.
 
Old 06-12-2015, 03:24 AM   #9
TobiSGD
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OK, that is a high quality PSU with enough power, so my suspicion does not work out.
 
  


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