CPU 100% - OS Re-install Did Not Fix - USB Ports Stopped Working.
Feb 10, 2007
My CPU has been 100% for over a month. I first thought it was a virus so a scanned w/ every program out there and nothing would detect anything, HJT log was reviewed and nothing found so I went down the Registry Path and tried to repair with Registry Repair Tools to no avail. So I backed up all my files and did a complete OS re-install in CPU is still at 100%. And when this problem first started by USB ports stopped working.
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Aug 5, 2010
I have lost access to all the USB ports on a PC. There was no apparent crash but I realised there was a problem when the USB Mouse stopped working. Everything else is working OK. I get an Error 39 (drivers corrupted or missing) and the 2 entries in Device Manager both have yellow marks against them. I only have "Standard Enhanced PCI to USB Host Controller" and "Standard OpenHCD USB Host Controller" entries below the entry for Universal Serial Bus Controllers - no Root Hubs are there and there are no Unknown Devices anywhere else.I was running XP Pro SP2 when the ports went, but have installed SP3 and Updated to see if that did anything - it didn't. I have tried the troubleshooting suggestions on Microsoft such as deinstalling and rebooting, updating, system restore and have done a repair installation using my original XP SP2 disc all with no result.
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Apr 13, 2009
I am using windows xp sp2 professional.few days back my usb ports stopped working suddenly.They don't recognize any usb devices.Also there is nothing like usb controller or usb ehci in the device manager.I don't have anyway to know what has happened.The motherboard is intel 845 gvsr.If you have any links for updating the usb driver or the bios or any solution to this
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Jul 11, 2005
I've got a bit of a problem with my computer and was hoping some advice. Basically all the USB 2.0 ports on my computer have recently stopped working - I can still use them to charge my iPod, but not to communicate with it (I no longer get the little icon in the bottom right hand side of the screen when it's connected), and I can't use my printer because the computer insists it's off-line (I've tried two different cables so it can't be a problem with that).I've got two USB 2.0 ports on the back of my computer (built into my motherboard - can't remember the exact model offhand but the processor is one of those 2800+ Athlon 64bit ones, if that?s relevant) and I've also recently upgraded my monitor to a dell FPW2005, so I've now got another couple (not working) on the side of that too. I even tried taking the USB 2.0 card from my old computer (that has 4 USB 2.0 sockets in it and plugs directly into the motherboard) - but this didn't work either
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Jan 1, 2006
I have a Sony VGN-T1XP Vaio laptop with an Intel Pentium M Processor running XP Pro SP2. For some reason the two USB ports have stopped working and no USB devices are recognised. I have looked at the device manager under USB controllers and there are four USB controllers listed which are as follows: Intel 82801DB/DBM USB 2.0 enhanced host controller 24CDIntel 82801DB/DBM USB universal host controller 24C2Intel 82801DB/DBM USB universal host controller 24C4Intel 82801DB/DBM USB universal host controller 24C7 Underneath those are four USB root hubs.
I have previously used a USB card reader and external hard drive on both ports without any problems but now when I connect any device nothing at all happens.
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Feb 20, 2007
Hey guys, first off I'd like to say I'm not a very smart computer person (I'm not a dumb one but don't understand a lot of the more complex stuff) and I'm mainly trying to help my brother figure something out.
I used Windows Pro for awhile but started having a problem with my sound settings (mic stopped working and since I'm a Counter-Strike player I kind of needed it back for CAL :P) so we decided after trying a new sound card, etc, etc that it was the settings (well, my brother decided that after checking on it, appearently something was reveresed for some reason?), anyways we went to install Windows Home and all went well on the installing it from the CD part, but once it got into the configuring part or whatever it kept freezing at the "Install Network" part. So after trying that about 20 times we started using the Pro version to see if it would work.... same thing. So now I'm back trying to get the Home version to work (basically just going through the motions that my bro told me to do) and it keeps freezing there
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Jul 19, 2005
Last week I was hit with a multitude of viruses. Since then I've followed
the KRC Anti-Spyware tutorial, I have ewido, spybot (tea timer running), Ad-Aware, etc. and cleaned everythign up, and my system is finally stable again. I even got Norton System works and that helped a lot too. I've been to Windows update and am completely up to date with installs.2 problems still: I still have no audio, and 5 of my USB ports are not working
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Mar 20, 2010
Running HP Compaq Presario..Windows XP Home edition.Thursday I went to plug in digital Camera via cord to USB Prot#2. Message said device malfunctioned.
Tried again. No change (I have used same port, same device many times before ...no problem)decided to Uplug my HP Printer, and try Dig Camera in USB Port #1.. Same Problem... NEXT was big surprise, decided camera may be damaged so went to re-attach HP Printer and NOW IT says Printer has malfunctioned.. same message..
later tried Flash Memory Stick.
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Mar 9, 2009
i have four usb ports all of them are not working
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Aug 12, 2008
I have a machine which has suddenly stopped responding to any mouse connected to the usb port. The ports appear to still be working as i can access a usb key etc from them. As soon as i plug a mouse in i get an error saying the device may not be installed properly. When checking in the control pannel all devices appear to be fine but the port the mouse is in shows as 'unknown device' it seems to have suddenly lost the ability to recognise when something is a mouse
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Apr 5, 2008
I'm running Windows XP Home Edition and right out of the blue my USB ports [all 4 of them] on my 'puter are not working. I first noticed it when I was trying to get info off one of my thumb drives. I inserted it and the thumb drives light comes on for about 2 or 3 seconds and then goes out and now when I try to print something, I get the USB error on my screen.
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May 16, 2010
i just reinstalled xp on my laptop and now it wont show up anything when i insert something intothe usb port. the light comes on on my usb stick. but thats all. i checked the usb controllers and the hubs and it says the device is working properally.
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Jan 18, 2006
My system crashed and i had to reinstall windows xp, now i have no audio devices and my USB ports are not working. How can i mix it?
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Jul 17, 2005
I have 4 usb ports, computer not communicating anything plugged into them
BUT the green light on my memory card reader is on. It was all working before
a recent thunder and lightning storm. How can I reset them to communicate
again? XP pro service pack 2
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Jan 4, 2009
Working on a Windows XP Home Edition Dell mini ATX with no serial mouse/keyboard - just USB. I ran Malware AntiMalwarebytes at owners home - no issues (apart from adware!) Keyboard/mouse work fine in set up - so have checked BIOS etc. Soon as load Windows - no response - hence Software issue rather than Hardware. Safe mode no use as mouse and keyboard don't work once windows loaded. Any gurus sorted this before? Have run a diagnostics through utility partition and Everything working okay - especially all USB elements.
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Aug 15, 2005
I recently purchased a USB DVD burner. All of a sudden, my USB ports are not
functioning properly. I have 3 ports on my laptop, and have tried all of them. Also, my mouse works, but only if it is plugged in when I start my computer. If it is unplugged, and then plugged back in, the computer can't find it. I have very little computer knowledge, so need step by step walkthroughs. I have tried the troubleshooter, and followed all the steps, and nothing has worked.
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Feb 26, 2010
the front two USB ports on my desktop are not working right. When I plug something into them, the system freezes and I have to turn the power off. This not happen to the two USB ports on the rear of the desktop.
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Jan 4, 2009
I am working on a friends laptop, a Dell Inspiron 9200 running Windows XP Pro with SP3. I have it working well now except the USB ports do not work.The laptop was in pretty bad shape when I started. I remove Norton Antivirus (subscription expired 3 years ago), removed a few trojans and viruses using Malwarebytes and Combofix, and installed AVG Free. I also cleaned up the temp files, compacted the registry using NTRegOpt, and defragmented the drive.I have tried uninstalling the USB controllers and let Windows reinstall them, verified working status in Device manager, and disabled USB device power management. I also plugged in a USB mouse and verified the ports are supplying power.
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Sep 15, 2005
None of my USB ports are working. I believe that it was the cause of a thunderstorm. I already uninstalled all drivers and ports in the device manager and let windows reinstall them, and still none of my hardware is recognized, not even my mouse. All drivers seem to be installed correctly. Can my usb ports be fried? I dunno.
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Apr 11, 2005
I have a Dell 4600 running XP Home and all my USB ports have suddenly stopped working. When I go to the device manager and expand the Universal Serial Bus Controllers, each of the Intel(R) 8280 1EB VBB Universal Host Controller has a yellow exclamation mark beside them. When I check their status this is the message: Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19). I was not in the registry prior to this, so I don't know how it got damaged
I tried this: Click Uninstall, and then click Scan for hardware changes to load a usable driver ? no effect.
I tried this: Restart the computer in Safe Mode, and then select Last Known Good Configuration,which rolls back to the most recent successful registry configuration ? didn't fix the problem. Microsoft says that as a last resort, you can edit the registry directly ? but I not sure where and what to edit in the registry. If anyone can tell me what keys to edit in the registry I would very appreciative. I will do anything to avoid reinstall windows from scratch. I unfortuately didn't have system restore going so I cannot use that.
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Aug 30, 2006
My computer has stopped working all of a sudden. It does not even start when he turns it on. It was working perfectly the night before and when he turned it on the next morning, it just did not start. He says that it never gave any warnings or error messages and this was the first time. Could this be due to the power cord or the power supply?
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Mar 3, 2008
I'm working on computer (windows xp) and notice the cd-rom is no longer working.
I've tried a couple of things that were recommended through another site.
1) I turned "SAFE MODE" on and the cd-rom worked fine but when I got out of safe it wound not fire up.
2) I uninstalled the cd-rom and let the computer reinstall it but that did'nt work either. Please any help you could give me would be great.
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Aug 9, 2005
I decided to clear the dust out of the inside of my
computer tower today. After cleaning out all the dust, I turned on the
computer for the first time and I noticed the fan on the side had stopped
operating.
But I have a Nokia Tower/case if that is of any help to anyone. It's the
colourful fan on the side which has stopped working.
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Feb 29, 2008
My USB devices were working fine untill I went to Windows Updates and downloaded all the latest updates. This is when all my problems started. Now when I plug in a USB device I get a balloon on my task bar stating that my "USB device is not recognizied". I have done all the troubleshooting. I have XP PRo with all the latest updates.
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Jun 27, 2005
I am running XP with SP1 and SP2.My high speed USB 2.0 stopped
running at high speed. When I attach a device it indicates that device would
run faster on high speed.
My ipod shuffle which has been working normally up until this point is now
only recognized as SMTP 3500 - personal class recovery device
I have tried updating the drivers and have had no luck.
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Mar 12, 2006
What happened was this: I loaned my computer to a freind and told him, "Don't install anything without checking with me first!" He did, for about half the stuff I took off after I got it back.And my alt-tab has stopped working. The thing is, it works fine for the other profile on the computer. I'm assuming the problem is a registry setting somewhere. I looked and compared but I couldn't find anything out of line. So now I'm at a loss. I know I missed something somewhere. Oh, and I'm using WinXP SP1 on a Compaq Presario 2100, which I update on a regular basis.(This is a loptop I use as a "loaner," not my good one with all my personal stuff on it, by the way. Maybe I should get a copy of Norton Ghost before loaning it out again.?
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Feb 22, 2003
For some unknown reason my screensaver just stopped working about a week ago. If I hit the preview button it works fine but when I wait for X amount of minutes for it to turn on it never does. I use it so that it will log me out automatically and auto turn off my monitor after so long, it is very handy.
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Jun 6, 2005
my toolbar stoped functioning. I have windows XP and l could of done something by mistake but l'm unable to get it working once agian.
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Sep 5, 2006
my keyboard got messed up and stopped working. When I was messing around with the back of the tower to try to fix it, I somehow killed my sound off too. Eventually, I got a new keyboard, but after adjusting with the stuff on the back of the computer tower the sound still didn't work.
Since my sister's computer specs and mine are the same, I checked out the device manager on both of the PCs to see what was missing from mine. I found out that it was a "Realtek AC'97 Audio" listing. So of course, I google it up and download what I find. However, after installing it, it still doesn't work. It doesn't even show in the device manager! And to make matters more confusing, when I start up my computer, it says that I can press Shift+F10 to configure it. When I do that, a DOS-like menu pops up where I can change a few options but nothing I change will get the sound working.
When I go to Accessories --> Entertainment --> Volume Control, it says that there are no active mixer devices available.
I don't think it's related to viruses or spyware. I've scanned multiple times with TuneUp, Spybot, Ad-aware, Norton, and a few other programs.HiJackThis information:
Logfile of HijackThis v1.99.1
Scan saved at 5:58:14 PM, on 9/5/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
(Also, I have no clue why it says WinNT 5.01.2600 on the platform listing. That started happening when I was working with the TCP/IP connections, though it's not important as of now.)
If you need me to post any other hardware listings or, well, anything about my computer, just ask.
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Jan 24, 2007
The sound on my PC stopped working about a week ago. Hadn't installed anything in at least the few weeks before it stopped.
I decided to re format the PC a few days later thinking that it would be fine, which initially it was, am running XP professional. Windows did all its updates as per normal and the sound stopped again.
Reinstalled the PC yet again to try and get to the bottom of things and this time went through things a bit more slowly. Did it's first lot of updates, was fine after those. That was yesterday that they updated. Tonight installed Service Pack 2 and thats when it has stopped.
In the Sound and Audio Devices section of the Control Panel it is saying there is no audio device installed, yet I had installed it via the CD that came with the motherboard. Soundmax sound on an ASUS k8v SE deluxe motherbord. why something like this may have happened?
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Apr 20, 2007
I downloaded Diskeeper 2007 Pro Premier for a free 30 day trial, decided I didn't want it, uninstalled it and now my XP Pro Defrag has ceased to work any longer.
I get some weird message that it can't initialize and that I must have downloaded a different version .
guess the two were fighting each other.
Point is, can I download MS Defrag as a stand alone (Googled but no luck) or do I have to reinstall XP all over again...
Also, is MS Defrag good enough are does Diskeeper do a better job for the averge home user?
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