Hardware :: Usb Ports Not Working / What To Do?
Mar 7, 2010
I've installed Debian Lenny on a Fujitsu Amilo L7310GW, and everything works well, except for the usb ports. Anything plugged into them doesn't register at all. If I plug in my usb pendrive with the light then the light comes on for a moment and then nothing.
I started up Knoppix 6.2 from the same pendrive, and it starts to boot, right up to where you can choose the OS and options, and then a bit further but then it fails because I suppose enough of the OS has been bootstrapped to use it's own usb facilities.
I've looked at the logs, dmesg/syslog/messages/debug, and also got some output from lsusb but I can't see what could be the problem.
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Sep 2, 2010
I'm starting to feel like a spamer or something. (I don't usually have this many computer questions, I'm a nerd, but known NOTHING about ubuntu).
All of a sudden NONE of my usb ports work? I can't get USB drives to work or an external drive. They aren't recogonized at all and the lights on them don't light up.
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Mar 2, 2011
The two integrated USB ports on a laptop of mine running Ubuntu 10.10 mysteriously stopped working a while back after some random updates. They still have power, and they are still recognized by the system, as per lsusb:
Code:
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
But although the ports still power up any connected appliances, they won't actually function. Any mouse I've tried so far won't work, nor will any external USB drive mount when connected. I don't even know where to begin to look. I believe the problem arose after an update to the xorg server, but I'm not sure. I just updated the kernel to 2.6.35-27, but that didn't solve the problem.
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Dec 13, 2010
How do I verify that my 6 GB/s SATA ports are working under Linux?
Linux detects the ports, and I can use them for disks but I would like to figure out if they are using a 6 GB/s controller/driver instead of the slower, more common speed.
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Jul 18, 2009
I'm trying to set up a new Dell machine with openSUSE 11.1 and KDE 4. For the rest of my PCs I use a Belkin kvm that connects the mouse and keyboard into PS/2 ports and it works. However, the new Dell doesn't have PS/2 ports and I can't get the machine to detect the mouse and keyboard (at all) unless I plug them in directly.
I'm using a Belkin four-port kvm, model number F1DJ104P. Does anyone know of a driver I could download to my Dell PC that would detect the devices via the kvm? The Belkin web site seems to be in pieces and is absolutely no use.
Alternatively, since I'm not particularly attached to the kvm, can anyone suggest a kvm switch that I could buy instead? It would have to have a minimum of four ports and be able to handle both Windows and Linux (all flavours with both OSs) machines, with both usb and PS/2 ports for mouse and keyboard. If it could handle audio, then that would be an improvement on what I've got already.
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Apr 13, 2010
I was been out of using ubuntu for while and came back.However since I have installed Karmic Koala 10 to 15 minutes I start the usb mouse stop working, then the wireless connection and then freezes I cannot do nothing. My Computer is a Laptop Toshiba Intel ATI Video Card.
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May 7, 2010
I've installed a fresh copy of the latest 10.04 distro, lucid lynx and have problems connecting to the machine via ssh because the ports are all blocked (using nmap to check). In past releases, changing the gdm.conf flag "TCPDISALLOW" from true to false would fix this. In the new /etc/gdm/gdm.schemas, I've tried making a similar change, but it's still not opening things up. I've downloaded gufw and have made sure the firewall is off. So, I'm not sure what to try next.
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Feb 27, 2011
I had 2 Ethernet ports and neither of them were working on a fresh build a friend was struggling with. After reading the suggestions to fix the issue and thinking that there had to be an easier way I had an epiphany. I would go to my spare parts box and bring out my old Netgear GA311 and pop it into the slot. So after searching for 10 minutes I found it and installed it. Booted up the rig and it found that right away (SWEET) now that's not the fix anybody can do that, once I updated Ubuntu the on-board ports started working (that's what I'm using now). I can't explain what the update did but for a few bucks a used card in the tool box might not be a bad idea!
Mother board is a Gigabyte GAX58A-UD5 Rev.1 Personally I'm an ASUS guy.
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Dec 17, 2010
I'm writting an app for desktop and embedded linux and I need to get information about the multiserial port, and I need to know which port is been used (by a printer, por example).The multiserial I'm using is an Altera Corporation Device 0004, and I just need to tell how many ports are there and how many is been used.
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Aug 11, 2010
How can I tell if my USB ports are 2.0 ports?
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Feb 2, 2010
Just did a check on "shields up" and it says that ten of my ports are open. I get the same result with or without both shorewall and firestarter. I suspect it may have something to do with the mysql server packages added automatically during installation. Am I right. If so, what can be done about it? If not, has anyone any idea how to keep my ports closed?
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Feb 7, 2010
I'm trying to setup oracle10g but, whenever I try to go to my database homepage http://127.0.0.1:8080/apex I get an "unable to connect to" error. Only reason I can think of as to why I can't connect to it is because my ports aren't open. I also recall SELinux complaining about something awhile ago, I can't seem to bring that up any more for some reason.
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Jun 29, 2010
Just installed 10.04. Inserted a flash drive into the usb port. Nothing? How do I tell if the usb ports were installed by ubuntu?
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Sep 20, 2010
All i need is to see a list, window or anything that shows all of the serial (rs232) com ports that are on my Ubuntu 10.04 machine and what their associated port numbers are.
I have one com port that is on the motherboard (so obviously its com 1) and it works fine. but i also have a usb to serial (FTDI) com port that i cant figure out what the port number is...
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Aug 7, 2011
If i've accidentally deleted the vboxusers group off my list in System-> Administration, is there a way to get it back? I really need to unlock my USB ports for my VM.
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Jan 5, 2010
I want to test automatically if the USB ports are in use.
I want to test it in a bash script
I found some information about ttyUSB0 in the /dev/
The problem is, there is usb hub between the system and the mouse/keyboard. The other USB port is in use for the Ubuntu live usb.
When I open the /dev/ map virtual and pull out the usb keyboard the hidraw1 diappears, same for the keyboard.
When both are out and I pull out the usb hub, nothing happens.
Do anyone know how to test it?
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Oct 30, 2010
I need to talk to several serial ports. I was thinking of having a bunch of USB to serial cables and then plugging all of them into a USB hub, which goes to the computer. What I want to know is, will I see each serial port as a separate thing? With 1 USB to serial cable and no hub, I see /dev/ttyUSB0. With this hub, will I see /dev/ttyUSB0, /dev/ttyUSB1, etc?
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May 10, 2011
I can successfully forward a port via:
PHP Code: ssh -L 5900:localhost:5900 test@192.168.5.1
how do I forward several ports at once. This is a wrong example but:
[Code]...
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Sep 21, 2010
Is there anyway i can ssh/rdp/telnet into my server from the outside bypassing comcast ALL blocked ports
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Dec 20, 2010
Have configured squid in routing server and it works fine. Able to block sites and allowed all http request to pass through squid so able to monitor http traffic. And the downloads from linux machine like wget, ftp, etc.. and from windows download manager cannot be monitored which is drawback right now. In squid is it possible to allow ports like ssh, ftp etc so that it can also be monitored? If so need some spark ideas on it.
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May 25, 2010
I was wondering if there is a way to have SIP and IAX2 listen on two ports other than the standard one? This is because most ISPs are blocking these standard ports especially ISPs that is also engaged in Telecom business.
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Jun 28, 2010
I have a client that wants me to install a meassuring program made for WinXP on a OpenSUSE 11.2 machine.I used wine to install and the program works fine but cant find COM ports.I have the option to go with serial or USB-to-serial, which one is best? I tried: ln -s /dev/USB0 ~/.wine/dosdevices/com1,
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Jul 20, 2010
I'm using slackware 12.1 for some time now and this morning (kind of the first day of my winter break) I decided to fix an old USB pen drive to save some docs... (bad idea #1). I had some trouble deleting some files. Slack kept telling me that the files weren't there, so (probably not the smartest decision ever) I decided to "format" the tiny thing. (bad idea #2). Cfdisk wouldn't do it and I ended up on fdisk. (bad idea #3). I thought I was formatting 4 partitions in the same pen drive which now I think might have been my four usb ports. After that, no USB Ports are working at my computer at all. I even boot slackware 13.1 from a dvd and still couldn't get any USB working. Rc.hotplug is nowhere to be found.
At the end of dmesg, I get:
usb 1-7: new high speed USB device using ehci_hcd and address 2
usb 1-7: device descriptor read/64, error -32
usb 1-7: device descriptor read/64, error -32
usb 1-7: new high speed USB device using ehci_hcd and address 3
usb 1-7: device descriptor read/64, error -32
usb 1-7: device descriptor read/64, error -32
usb 1-7: new high speed USB device using ehci_hcd and address 4
usb 1-7: device not accepting address 4, error -32 .....
usb 1-3: device not accepting address 21, error -32
I didn't mess with this kernel and everything was just great 4 hours ago.
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Sep 27, 2009
This individual has been within the Ohio State computer labs for sometime because educational endeavors ceased building another Linux personal computer since the last AMD Socket A smouldered within a RAM melt. (Have on idea way there was a smoulder because over clocking was not invoked!) This query is interesting because almost all of the new processors sold are sixty four bit. Flash which is still alpha or beta and a couple of Google applications have not been fully embraced upon the x84-64 architecture which is problematic!
Why? This is just a random post that might be locked or deleted but an individual has been disturbed with the lack of x86-64 application support within Linux considering Unix operating systems have been upon this architecture for an extended period compared to Microsoft operating systems. Citing that SUN or now Oracle possessed the sixty four but architecture when this individual started to dabble within the I.T. industry many years ago. There is still substantial grief that Redhat did not purchase SUN for the hardware.
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Mar 13, 2010
I'm here to lend your support again. I just install "VirtualBox" in Fedora12, but would like to recognize USB ports, how can I do this?
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Mar 28, 2010
I've been struggling for days trying to open port 53 and 25 but can't get it to work. My iptables at /etc/sysconfig contains the following:
# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0] .....
On the server machine when I do port scan with nmap I see the following result:
Starting Nmap 4.76 [URL] at 2010-03-28 01:03 CET
Warning: Hostname localhost resolves to 2 IPs. Using 127.0.0.1.
Interesting ports on localhost (127.0.0.1):
Not shown: 986 closed ports .....
But when I try to do telnet from an external machine, e.g:
telnet <IP of host> 53
I get:
Connection refused
telnet: Unable to connect to remote host
I also did a port scan with a tool on an external machine but port 53 and 25 weren't listed as opened ports. Also CheckDNS.net on the server returns "Connection reset. Probably DNS server is offline". I am 100% sure that named and sendmail are running. When I do a ps -aux I see:
named 9261 0.0 0.3 85528 14784 ? Ssl 00:46 0:00 /usr/sbin/named -u named
root 2550 0.0 0.0 9536 1960 ? Ss Mar23 0:02 sendmail: accepting connections
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May 8, 2010
how can i close all of ports and open ssh only?
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Jan 29, 2011
I shut down my laptop this morning and headed to the office and fired it back up to find that I no longer had the use of any of my usb ports! messages are saying that the ports have been disabled. curious if an update broke something? the ports have been working fine, I use a usb mouse instead of the touchpad most of the time.
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Apr 28, 2011
I have open ports on my computer for vsftpd, pptpd, and I need help to filter this ports because they aper as open ports on internet, and this is pretty risky
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May 26, 2011
I will scan my ports which are open or closed.Which tool can I use to scan my ports.
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