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only one USB port works in normal mode on laptop

This is a discussion on only one USB port works in normal mode on laptop within the Windows 7 , Windows Vista Support forums, part of the Tech Support Forum category. I have a Dell Latitude E6430 laptop where only really one the USB ports works reliably in normal mode, the


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Old 03-07-2020, 08:15 PM   #1
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I have a Dell Latitude E6430 laptop where only really one the USB ports works reliably in normal mode, the one on the right side on the right https://www.dell.com/support/article...-guide?lang=en

Either my USB mouse or my USB flash drive will work in it, almost immediately, without any issues, the other two have problems. But, the USB drive and the mouse will work in ALL 3 ports with no problems at all in safe mode, just not in normal mode for Windows 7 Professional 64-bit (working on upgrading to 10, just have to do some things first)

Sofar, what I've tried is uninstalling the USB host controllers and the root hubs in device manager and turning them back on. That didn't work so well, a few times I got BSOD's when I plugged in a device in the USB ports, one time I got one when NOTHING was plugged in, another time when the mouse was plugged in. Isn't there a tool that tracks them? Maybe I can give you information about them.

Just wondering why only one of the ports work reliably, also why do I have duplicate entries in the USB controller screenshot I've attached?
Maybe this could be helpful, just not sure what steps to do, if some of them are working in safe mode.

https://www.dell.com/support/article...issues?lang=en
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Old 03-08-2020, 12:32 AM   #2
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You say ALL 3 work in safe mode, then later say SOME of them work in safe mode. Which is which? The BSOD subforum has the tools and instructions to track what's causing the BSODs and potential conflicts. Follow the instructions here https://www.techsupportforum.com/for...ta-452654.html
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Old 03-08-2020, 01:08 AM   #3
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Boot into Setup (Bios) go to Integrated Peripherals, look for Legacy USB, it is is Disabled, using your Arrow and Enter key, Enable it.
In Windows go to Start/Search and type CMD, right click the CMD results and Run As Administrator. In the Elevated Command Prompt, type
SFC /scannow and press enter. This will replace any missing System Files.
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Old 03-08-2020, 07:16 PM   #4
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Quote:
Originally Posted by Stancestans View Post
You say ALL 3 work in safe mode, then later say SOME of them work in safe mode. Which is which? The BSOD subforum has the tools and instructions to track what's causing the BSODs and potential conflicts. Follow the instructions here https://www.techsupportforum.com/for...ta-452654.html
Sorry about that, all of them work in SAFE mode and only one of them works in normal mode.
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Old 03-09-2020, 01:01 PM   #5
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Quote:
Originally Posted by spunk.funk View Post
Boot into Setup (Bios) go to Integrated Peripherals, look for Legacy USB, it is is Disabled, using your Arrow and Enter key, Enable it.
In Windows go to Start/Search and type CMD, right click the CMD results and Run As Administrator. In the Elevated Command Prompt, type
SFC /scannow and press enter. This will replace any missing System Files.
I don't seem to have that USB option, see the pics I've attached. There's one on the com ports as well. Could this be an IRQ conflict? I only have 3 physical USB ports, but guessing not that's what it refers to.
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Old 03-09-2020, 06:40 PM   #6
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Look under USB Power Share and Miscellaneous Devices
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Old 03-10-2020, 02:29 PM   #7
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Quote:
Originally Posted by spunk.funk View Post
Look under USB Power Share and Miscellaneous Devices
The option is not under any od the headings or categories, I've checked them all. I've started this thread regarding my BSOD's using the bad ports

https://www.techsupportforum.com/for...s-1241002.html
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