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How to make USB port on my Monitor work?

post #1 of 3
Thread Starter 
Ok so i have yet to recive my new pc
but i was testing the mouse and keyboard on a alienware monitor conected to ps3
and usb ports on monitor wont work that way

Acording to what i read here:
http://answers.yahoo.com/question/in...2101335AAGtaiY
Dell monitors only have usb hubs
and need to be poweered up by the pc to work:


I guess the same happens with alienware.

1. So what cable do i need to make the usb hub on the monitor work
just a USB-extension cable and plug the one side in one of the 4 usb hubport on the monitor and the other end in one of the usb ports on the pc ?


2. Now... i do have a problem with Lack of usb ports
I am going to conect by usb this:

- 1 Usb mouse
- 1 keyboard that need 2 usb cables conected
(this cannot be conected to a usb hub)
- 1 free USB port to conext a mp3 player or External HDD sometimes

NOW my problem is this:
The keyboard does not have usb port
the monitor has usb port but is kind of a USB HUB
so i probaly cant conect the keyboard to it

My HAF-X pc have 4 usb ports in the front
2x 2.0 and 2x3.0

If i have to conect a usb extension cable from monitor to PC to power up the usbhub on the monitor
i need to use one of the 4 usb port
and it probaly be one of the 2.0 ports

then i left with: 1x 2.0 usb port + 2x 3.0 usb port

Now where do i conect the keyboard 2 usb cable
and the External hardisk...

Can 3.0 usb port still be used as a 2.0 port ?
i mean will all 2.0 devices work when plugged into a 3.0
if not how do i solved this since the keyboard cant work in a usb port.

Since i am coming from a laptop marked i am not sure how to solved it yet
yea i probaly figure it out when i get the new pc
but good if i could get a solution for it now

And what can be conected safely to a USB port on the monitor
when i get it powered:

- Can mp3 players be conected if they dock as a external hardisk
- Can a external hardisk be conected to a usb hub on monitor?
- can pendrives be conected?

there is some limitation to what will work and what not in usb hub
i remember conecting a older hardisk (one that needed 2 usb ports)
to a usb port and it didnt work...

OK so to resume

1) How do i power up the USB port on the Alienware monitor
i buy a extension usb cable plug it in one of the 4 usb ports
and then conect it to a usb port on the pc ?
Or is it enough to conect the Monitor by DVI or HDMI to pc
and that will power up the usb hub on the monitor

2) if i cannot conect the keyboard to the usb hub on the monitor
i need to conect it to the pc
but on the pc i have just 4 usb ports in HAF-X case in front
2x 2.0 and 2x3.0

so can the keyboard if is a 2.0 usb conexion be conected to a 3.0 usb port?
and if not how do i solved this?

3) my mobo asrock fatal1ty p67 has this usb conexions:
2 x Front USB 3.0 ports, 4 x Rear USB 3.0 ports,

What does that means FRONT usb?
there is already 2 front 3.0 usb front on haf-x
will this mean i have 4 front 3.0 usb
2 from the mobo and 2 from the haf-x (+2 2.0 on the haf-x)
but how do you conect to the front usb of a mobo
i dont see a whole on the front of the pc for this
(sorry i come from a laptop marked and been a long time yr2000 since using stationary pc)

i guess the rear on the mobo would give me 4 more 3.0 ports on the back of my pc
when mobo is mounted ?

but it confuse me the front 3.0 on mobo
or are they just supose to power up the 2 whole on the haf-x that is already there
then what with the 2.0 usb port will they not work since the mobo dont have 2.0 usb port.


Update:
I had a smalh cheap usbhub so i did a test with it
mp3 players and camera plugged in fine
but i got a message of "use 2.0 instead so it wont be so slow"

Then i plugged in my external lacie hardisk into the usbhub
and it didnt detected

i googled a bit around and found that it might be the usbhub dont have enough power
and can be solved with a usbhub that has external power source

anyway this probes to me that i probaly can conect easy the mp3 player and camera to the Alienware monitor but might run into problem when conecting the external hardisk...

Now the usbhub on the monitor i guess it has a external power source
since monitor is plugged into the wall right?
so it might work

OK i also tested a keyboard into the usbhub but it was so slow typing on the keyboard it was useless so thats for sure the keyboard has to be plugged directly into the PC
or maybe it will work if i get a usb hub with external power source?
Edited by Gilgamesh9 - 4/23/11 at 9:27am
post #2 of 3
Based on what you are saying I am guessing that most likely your problem is the power draw from the usb hub is too much for the hub. I am unsure as to whether or not the usb hub in the monitor is powered (would need to know the model number and do some searching), but I would highly doubt if it was, even though the monitor itself plugs in to the wall.

To answer one of your questions, yes USB 3.0 will support 2.0, 1.1, and 1.0, but it won't see any speed improvement.

If you are not opposed to buying another hub you could take one of a few routes. You could either buy an external hub and bring it closer to your computer such as this (you could decide to go cheaper and get a 2.0 if you wish):
http://www.newegg.com/Product/Produc...82E16817364029

you could buy an internal hub and plug directly in to your computer (this one is $50 and supports USB 3.0 if you have more expansion plugs on your board) http://www.newegg.com/Product/Produc...82E16817270024

Or, you could get something like a keyboard with a usb hub built in, though this likely wouldn't have an external power supply (in fact I don't think I've ever seen one).
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-930 @ 3.9 GIGABYTE GA-X58A-UD3R ASUS 5970 6 GB Mushkin Redline 1600 
Hard DriveOptical DriveOSMonitor
Kingston 64 GB SSD Sony DVD Burner Arch x64 Samsung 27" 
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post #3 of 3
Thread Starter 
Is a Alienware optx 2310 which is made by Dell
Good to know 3.0 usb ports will suport 2.0 except for the speed
then i can plug in the keyboard that way

So this leave my situation like this:

- plug the monitor using a usb cable to the usb conexion on the pc to power the usbhubs on monitor
- Plug the mouse into the monitor
- Plug mp3 players and camera into the monitor
- Plug the keyboard 2 cables into 2 usb conexions on the pc
- Plug the external hardisk into the last usb conexion on the pc

What i have to buy then is:
1 Usb extension cable that goes from monitor to pc to power the monitor
2 usb extension cables for the keyboard
1 usb extension cable for the external hardrive
and all to be conected in the front
hmm or maybe in the back if i have usb conexion there

or i could also get a usb hub with external power source...
um this was more expensive than i suspected

Now if i am able to get the keyboard plugged into the monitor fine
but if it make me type slower i have to invest in 2 extension usb cable to plug the keyboard right into the pc
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