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How to Enable USB Port through Regedit in Windows if it is blocked

1. Click Start, and then click Run. 2. In the Open box, type regedit, and then click OK. 3. Locate, and then click the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor 4. In the right pane, double-click "Start". 5. In the Value data box, type "3" (without quotes), click Hexadecimal (if it is not already selected), and then click OK. Note :- if 3 is entered it will open the port and if 4 is entered it will close the port. 6. Quit Registry Editor.

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# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar hi pls help me 10/14/2011 1:28 PM | ravi

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I tried following the tip given but I wasn't able to do what was required. I need to put a lot of practice to this one because I think this is going to come in handy. - Mario Romano Colts Neck
1/24/2012 9:06 PM | Mario Romano Colts Neck

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks, this helped me in unlocking the blocked usb port.

Regards
Rahul 2/17/2012 8:03 AM | Rahul

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar u r best teacher. 6/15/2012 8:55 PM | sheer amman

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thank you, its working. 7/17/2012 1:38 PM | ajay

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I checked it is already set it 3 in my machine. what is the other way to enable/ open usb port. 7/18/2012 7:16 PM | sachin

#  How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar thax its working 8/9/2012 9:42 AM | diapk

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar This does not entail if there is no "Start" key 8/20/2012 7:48 AM | daryl

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Unable to locate any start in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor
please help 9/8/2012 2:49 PM | Kukaram

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar My Laptop USB Port is not accepted any USB or any HDD Please help me and send me any set up and manual 9/9/2012 8:10 PM | Asad Ameer

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi I have tried this and found the same info there, my USB is blocked by the IT team they have put some policies, is there any procedure we can open the USB and IT want be able to find 9/12/2012 7:07 PM | Prianshu

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I tried it detected mass storage device but i didn't find the device in "My Computer" 9/21/2012 8:23 PM | vijay

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I tried this but when I took a look it already was on 3 and on hexadecimal (or something like that). help pleas????? 10/28/2012 3:52 PM | lucius100

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Enable USB Port 10/31/2012 1:03 PM | siva

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar It works well. Thank you! 11/24/2012 10:02 AM | Ankur

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar please is there any solution for my ipad when i pnizedlug it to my pc it shows usb not recog 11/29/2012 6:28 AM | emmanuel

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar PLS HELP US, ITS ALREADY ''3'' IN THE MACHINE AND IN HEXA... WHAT OTHER WAY? 12/6/2012 7:23 PM | Stanley

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar usb Block and Enable 12/18/2012 8:43 PM | Ansar Khan

# re: PLS HELP US, ITS ALREADY ''3'' IN THE MACHINE AND IN HEXA... WHAT OTHER WAY?

Gravatar My USB not work I use your method but not work how can I work it, its my personal PC 1/4/2013 11:05 AM | Imran

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar this is very helf full us thanks

regards

tech team banglore 1/11/2013 6:32 PM | mehboob

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar In my systems can't open usb port how to regedit ,how to solve these type of problems,,,, 1/12/2013 11:41 AM | sathiskumar

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I can't find the correct port for my printer to print,what do I do?
1/17/2013 9:57 AM | Richard

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar its shows an error " cannot edit start : Error while the value's new contents. 1/22/2013 11:48 AM | Saurabh

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Usb block guide 1/23/2013 7:56 PM | samir shaw

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar i cant usb port since i applied regedit method . it shows result port is in open (i.e. value is 3) 1/25/2013 7:42 AM | R Padmanabhan

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar thaking u...... 2/3/2013 12:32 PM | baadshah

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar There are many tricks and tips about Enable or Disable USB Port but if you want to learn it then simply go to the http://softlinktricks.blogspot.in/2012/12/how-to-enable-or-disable-usb-port-from.html

OR simply download the Application USB PORT OPERATOR from the following link IT SOLVED your problem http://softlinkplanet.blogspot.in/2012/12/download-usb-port-opearatorexe.html 2/4/2013 1:17 PM | troubleshooter

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi,

I already followed the steps provided above but still all USB ports in my laptop was not yet detected. Please help me. Thanks 2/14/2013 9:18 PM | Cal

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar it works like a charm !! - Thanks a lot 2/22/2013 1:44 PM | Raj

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hey in the Value data box its already "3"
so is there any other way?????? 3/1/2013 5:02 PM | J

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar very good 3/2/2013 10:49 AM | BHONG

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks Mate its Work .... 3/7/2013 10:10 AM | Ravi G

# re: How to Delete usb storage through regedit for Windows 8

Gravatar Sir, pl urgent inform to me 3/20/2013 1:24 PM | bala

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi bala,

I havent used windows 8, so have no idea on that.
Sorry that I couldnt be of much help 3/21/2013 7:04 AM | Sathya

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks a lot, it worked for me. 4/15/2013 1:52 PM | Santosh

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar i unable to do this because when i m doing this it show the error " CAN'T EDIT START: ERROR WRITING THE VALUE'S NEW CONTEN'S"


please help regarding this,,,,,, 5/4/2013 4:07 AM | Malvin

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar value is already 3 still can't access usb port? how to go about it? 5/15/2013 5:47 AM | hkloo

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar it works thanks.. 5/18/2013 10:58 PM | Ravi

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar it works dude, but there is still one problem.
in my ofc pc, i got the port access, in my computer i can see a removable disk (E), but when i click on it to open, i gives an error "Access denied".

help me out 5/24/2013 11:43 PM | kedar annam

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar hey it works dude, but there is still one problem.
in my ofc pc, i got the port access, in my computer i can see a removable disk (E), but when i click on it to open, i gives an error "Access denied".

help me out 5/24/2013 11:43 PM | kedar annam

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I tried following the tip given but I wasn't able to do what was required 5/25/2013 2:16 AM | vinod

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I followed the steps but got the error: Cannot edit Start: Error writing the value's new contents.

what should i do? 6/10/2013 9:07 PM | Rick

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I followed the steps but got the error: Cannot edit Start: Error writing the value's new contents. 6/19/2013 3:49 AM | Raquibur Rahman

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar NPAV is installed in my system by Admin. Even after correcting the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor start to 3 it immediately get updated to 4 by default. Thanks in advance for the reply 6/21/2013 3:10 PM | RAVEENDRAN PS

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar MY USB PORTS WERE BLOCKED BY SYSTEM ADMIN. IT IS PROTECTED WITH PW. HOW CAN I DELETE THE SAV OR HOW TO UNBLOCK USB POTS BLOCKED THROUGH SAV. 6/21/2013 3:17 PM | anup kumar b

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I see HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor start =3
in my system. still i can not see USB but mouse and data cord working fine.

can you pls help me 7/3/2013 9:46 AM | trivani

# How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar if a USB storage device is already installed on the computer, set the Start value in the following registry key to 4:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor
When you do this, the USB storage device does not work when the user connects the device to the computer. To set the Start value, follow these steps:

Click Start, and then click Run.
In the Open box, type regedit, and then click OK.
Locate and then click the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor
In the details pane, double-click Start.
In the Value data box, type 4, click Hexadecimal (if it is not already selected), and then click OK.
Exit Registry Editor. typing 3 will enable usb again 7/4/2013 12:21 PM | mumtaz amir ranjha

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar thanks sir 7/10/2013 11:47 AM | sujeet

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar its not working in WINDOWS7............. 7/13/2013 5:12 PM | kumar

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar how to enable installed flash drive in a computer? 7/19/2013 7:14 PM | venz

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar seems like Regedit is also blocked.. is there someother way to unblock the usb at startup etc?? 7/24/2013 1:39 PM | Zohaib

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar what about value 2 or 1 7/30/2013 2:07 AM | gafer

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar when i follow the same instructions the error am getting is > cannot edit start error writing the value's new contents plz help me in this 8/28/2013 8:38 PM | KIRAN

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar but this problem is still ccomes 8/29/2013 1:14 PM | dipak

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbstor]
"Type"=dword:00000001
"Start"=dword:00000004
"ErrorControl"=dword:00000001
"DisplayName"="USB Mass Storage Driver"
"ImagePath"=hex(2):73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,44,00,\
52,00,49,00,56,00,45,00,52,00,53,00,5c,00,55,00,53,00,42,00,53,00,54,00,4f,\
00,52,00,2e,00,53,00,59,00,53,00,00,00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoWelcomeScreen"=dword:00000001 8/29/2013 6:13 PM | Chard

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks,its working 9/13/2013 3:01 PM | Shanawaz Khan

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar your information is very useful. 9/18/2013 11:09 PM | selva

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar When i connect pendrive to my pc, pc show "window no disk"
please tell me solution 9/19/2013 6:54 PM | sunil kumar

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar This Works for me..thanks... 9/23/2013 9:29 AM | Rakshit

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thank You very much.. It worked... 9/26/2013 3:29 PM | Salma Fazly

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I checked it is already set it 3 in my machine. what is the other way to enable/ open usb port. 9/30/2013 10:41 AM | Singh

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Can anyone help me to enable USB ports for a particular device only? 10/1/2013 1:32 PM | Jibin Joy

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar it works...!!! 10/10/2013 8:55 AM | sumeet

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar hi,pls help me .i can not use my usb ,so my adminestor closed my usb.tQ 10/21/2013 1:32 AM | reza

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi,
USB port is open by changing the value to 3, but it only opens data card.

If I try to open pen drive or a hard disk, it is not shown in My computer.

Please help me out, if you are aware of the solution to this specific problem. 10/22/2013 3:13 PM | Lakshit

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Enable USB Port through Regedit in Windows if it is blocked 10/23/2013 11:25 AM | pawan

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks, this helped me in unlocking the blocked usb port.

Regards
Abdul Majeed 10/24/2013 10:29 AM | Abdul Majeed

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar But some tools use more complex methods for disabling usb ports. For example take a look at USB Security Suite from www.dynamikode.com 10/31/2013 2:23 PM | Ranjana

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar thanx more
it is working 100%

11/1/2013 8:00 PM | Rajoo Prajapati

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar 'Can not Edit Start Error writing the values new contents'

Tis is the message I am getting if I follow your stems kindly assists 11/8/2013 9:45 AM | Jude

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar it really works well with enabling and disabling the USB ports, what if the device itself is not recognized?. 11/19/2013 1:46 PM | wilmwas

# USB port blocked by group policy , unable to copy into usb drive

Gravatar Error 0x800704EC: This program is blocked by grouped policy. 11/22/2013 7:02 PM | Dipak

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar check this app its easy to use and really powerfull. Download from :

http://urcaccess.blogspot.in/
http://www.freewarefiles.com/URC-Access-Modes_program_83126.html 12/1/2013 11:18 AM | Kumar

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I want both of enable or disable from regedit please 12/16/2013 6:40 PM | Kishore Subba

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thanks.. it work.. 12/16/2013 7:19 PM | Dhananjay

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar hey it works dude, but there is still one problem.
in my ofc pc, i got the port access, in my computer i can see a removable disk (E), but when i click on it to open, i gives an error "Access denied".

Plz help me 12/27/2013 5:48 PM | Joy

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar It's Already in 3 Only How to Access my USB.
If I Change the the Number, It Shows "Cannot edit start: Error Writing the Values new Contents" Please help Me. 1/12/2014 2:39 PM | rajesh

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I have reached to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services" as you can see in the following screenshot: http://screencast.com/t/OSgnihYgN
But after this, it does not show "usbstor"...Yes you can have a look for proof: http://screencast.com/t/wpAp3SSih
Can anyone explain me why I can't I see "usbstor" option?????????????????? 1/19/2014 9:21 PM | Nabeel

# How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Step 1
Click "Start" and select "Run."

Step 2
Type "devmgmt.msc" in the Open field and press "Enter" to open the Device Manager console.

Related Reading: How to Enable the Concurrent Users' Sessions on Windows XP

Step 3
Expand the computer name and expand the "Universal Serial Bus controllers."

Step 4
Right-click the USB host controller that has an "X" beside the icon and select "Enable." 1/20/2014 7:52 AM | sathya moorthy

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar this was a great help for me 1/22/2014 9:14 PM | Fuad D. Gabisi

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar thank you for your help. 1/23/2014 10:44 PM | Nimai Mandal

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I tried but an error window pop up saying...cannot edi the start. Error writing the values new contents

..pls help 1/30/2014 3:13 PM | Raymond

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar bro.....its awsome........i like it 2/1/2014 11:20 PM | sanjay

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Thank you, you are amazing! I was following another advices but nothing worked, finally I could activate my usb ports. On my regedit I did not have the HLM\System\CurrentControlSet\Services\UsbStor , so I added the entry with the 3 value and problem solved! Thank you again. 2/5/2014 9:33 AM | Manuel Canto

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar not working
3/4/2014 9:55 AM | Naveen

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar why are Enable USB Port through Regedit in Windows if it is blocked 3/14/2014 12:51 PM | bhola ram saini

# re: How to disable USB Port through Regedit for storage device not for cameras in Windows 7

Gravatar V good 3/20/2014 10:00 PM | Manoj vats

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar i m going step as per above bt there r i didn't get start .
there r only two menu thats hv no any number
wht may b pblm


all other cmptr hv got start one hv not y? 4/19/2014 11:21 AM | ravi

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I cannot see start in the registry so what can i do in this case 5/21/2014 10:05 PM | rodric

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi,
My usb port is enabled ,it is detecting but when i am clicking to open it ,it throws error that "You do not have permission to access this device."

Thanks and Regards,
Aswini Rout 6/3/2014 6:33 AM | Aswini Rout

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar my company pc usb is disenabled so pls how to enabled tell me 6/3/2014 5:42 PM | manjuanth

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi, It is too helpful, it is properly blocked and also unblocked. 6/7/2014 3:28 PM | Pulak Mondal

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar I ve done all the steps 1-16 as above but still when I open my computer I do not see the drive "F" wic is my removable storage . However wen I plug in the USB the computer shows that it has found a storage device and even makes the ping sound that it wasn't making before when it was blocked. Please assist. Do I have to put a 4 and then a 3 again perhaps.? 6/8/2014 2:27 AM | naison goremusandu

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar the 4 usb port of my ACER 4310 is not functionng anymore after the system displayed "the usb device overcurrent or surge current please remove the device and preess reset to resolve problem?" i did it remove my external DVD rom and press reset, it goes back to normal but after 12 hours i restart my laptop the USB port did not recognize my flashdisk anymore what is the problem how to re enable my port? anybody can help me please, i beg you everybody. thanks !!!!!! 6/16/2014 10:55 AM | wennie

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar My USB drives as well as Desk Drives is not function and not reading. 6/21/2014 11:39 AM | Ron

# how to enable regedit if it is disabled

Gravatar plz help me! 6/26/2014 1:52 PM | Ph4ntom

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi ,

Obviously many of us want to enable the usb ports in our offices. Where every thing is blocked either by Windows policies or by antivirus. And in general majority of us are basic users (Not windows Admin) .When i try to do the above process it is showing "Can not edit start: error in writing the value's new content.

Plz help if possible. 7/14/2014 2:39 PM | Maamba

# re: How to Enable USB Port through Regedit in Windows if it is blocked

Gravatar Hi,

could you please advice how do I enable internet dongle by blocking usb ports for pendrives.

Please help if possible. 9/14/2014 11:06 PM | mike

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