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Windows 7: USB power question

08 Jun 2010   #1

Windows 7 Enterprise x64 SP1
 
 
USB power question

I have two PCs in my office: self-built mATX tower & HP TouchSmart IQ506. I also recently bought a WD My Passport Essential SE 1TB portable hd.

Yesterday I plugged the new drive into the self-built pc. It didn't work. Tried the ports in the front of the case and those on the back.

Then, out of curiosity, I tried the drive the TouchSmart. It worked normally.

What is the problem with my self-built pc not putting out sufficient power for the drive? The specs of the pc are below.

I have had this happen before with older portable hard drives, an inland sata/ide usb drive adapter and a 2.5" ide drive enclosure. All these devices except the usb drive adapter are powered from the pc. The adapter has an ac plug.

It is a psu problem, a mobo problem, both or what?

links of my devices are below:
Amazon.com: Western Digital My Passport Essential SE 1 TB USB 2.0 Portable External Hard Drive WDBABM0010BBK-NESN (Midnight Black): Electronics
Jim do little: Inland SATA/IDE Combo Drive Adapter USB 2.0
ASUSTeK Computer Inc.


My System SpecsSystem Spec
.

08 Jun 2010   #2

Windows 7 Professional x64
 
 

Have you tried other USB devices in the ports?

If you suspect PSU, I suggest taking the PSU from the Touchsmart and putting it in the other machine.
My System SpecsSystem Spec
08 Jun 2010   #3

Windows 7 Enterprise x64 SP1
 
 

Quote   Quote: Originally Posted by Jonathan_King View Post
Have you tried other USB devices in the ports?

If you suspect PSU, I suggest taking the PSU from the Touchsmart and putting it in the other machine.
1. Problem lies with my custom-build tower NOT with TouchSmart

2. TouchSmart is AiO so I am reluctant to mess with it since it is fine
http://www.hp.com/hpinfo/newsroom/pr..._iq506r4nq.pdf

3. Hardware from custom & TouchSmart are not interchangeable

4. I don't know what to suspect here...
My System SpecsSystem Spec
.


08 Jun 2010   #4

Windows 7 Professional x64
 
 

I'm, sorry, I didn't realize the touchsmart was a laptop.

What is your current PSU like in your desktop?
My System SpecsSystem Spec
08 Jun 2010   #5

Windows 7 Enterprise x64 SP1
 
 

PSU Corsair CMPSU-620HX 620-Watt HX Professional Series Modular
My System SpecsSystem Spec
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