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Windows 7: USB port of HP laptop not working

02 Aug 2013   #1
hasibme05

windows 7 ultimate 32 bit
 
 
USB port of HP laptop not working

suddenly all of my usb ports of HP pavilion g6 laptop stopped working. i was using 1 usb mouse and 1 external hard disk. but both of them are not working now. in device manager, it shows unknown device with a yellow triangular mark. i tried some ways like shut down laptop, unplug ac connection, remove battery for half an hour and then again put all back.....but it not worked. i tried update driver but it shows latest driver is installed. Plz help


My System SpecsSystem Spec
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02 Aug 2013   #2
maxie

windows 7 home 64bit
 
 

Hi there .. What is the exact Model number of your Laptop ? .. Can you please post a screenshot of the Device Manager with the USB ports expanded ... The Link below will help you with that

Screenshots and Files - Upload and Post in Seven Forums
My System SpecsSystem Spec
03 Aug 2013   #3
hasibme05

windows 7 ultimate 32 bit
 
 
model no. & snapshot

product name: HP Pavilion g6 Notebook PC
product no.: LQ439PA#UUF

SNAPSHOT:USB port of HP laptop not working-capture-1.png

i tried also by uninstalling all the drivers under USB serial bus controllers & restart PC.....it shows 'installing device driver software'.....then 'device is not successfully installed' message comes with the yellow sign in device manager. Clicking properties of that unknown service, Device Description tab says "Windows has stopped this device because it has reported problems. (Code 43)". what should i do now?


My System SpecsSystem Spec
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03 Aug 2013   #4
maxie

windows 7 home 64bit
 
 

Hi there ... Do you have a Drivers disc that came with your Laptop ? .. The product number you gave me is not listed on the HP website .. But after a bit of Research i think i have found the right Drivers .. You should try the chipset Drivers . Do not worry about the missing item for now .. We need to get your USB ports working

Software & Driver Downloads HP Pavilion g6-1008tu Notebook PC | HP® Support
My System SpecsSystem Spec
03 Aug 2013   #5
hasibme05

windows 7 ultimate 32 bit
 
 

hi.....i have downloaded drivers as you directed which are: sp52791, sp52794, sp52795
i have not got any CD with my laptop but the soft copies of the drivers are stored in one of my laptop hard drive. however i have installed the downloaded drivers but an error message comes while installing last driver sp52795 "This computer does not meet the minimum requirements for installing the software. Then in tried to install my old drivers but it showed that the version is old rather than the downloaded version. i m still in problem with ports.
i got the product code from my system information........is there any easy way to get the product code?
My System SpecsSystem Spec
04 Aug 2013   #6
maxie

windows 7 home 64bit
 
 

Hi there .. Do not worry about the last Driver as it was an older Version and was not needed .. Is your Card Reader working ? That could be the missing Device .. Is any of your USB ports working now . And do you have USB3 ports ? Also can you post me a screenshot of your USB devices again and also System Devices expanded
My System SpecsSystem Spec
04 Aug 2013   #7
hasibme05

windows 7 ultimate 32 bit
 
 
screen shots

hi maxie.......thanx for your continuous support, but still my ports are not working
1. my card reader working
2. i have 3 usb ports.....but not working
3. no usb 3.0 port
4. plz find the screen shots
[ATTACH]USB port of HP laptop not working-system-devices.png[/ATTACH]


Attached Thumbnails
USB port of HP laptop not working-usb-controllers.png  
My System SpecsSystem Spec
04 Aug 2013   #8
maxie

windows 7 home 64bit
 
 

Hi there ... Lets see if we can find that missing Device ... Follow the Link below and post back the Results

Device Manager - Finding Unknown Devices

Then try the Fix below


Hardware devices are not working or are not detected in Windows
My System SpecsSystem Spec
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 USB port of HP laptop not working




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