USB ports no-opperational in the Windows 7 environment, does not start mode command line safe

Quick description: experienced difficulty trying to reformat a HD problem. It has been suggested that I have download the diagnosis of the manufacturer. Did. Restarted the computer as required to run the new program. After reboot, no USB port work Windows. Considering that all my USB inputs, it is extremely annoying. Input devices still work on other computers and still work during the start upward (before windows), also does not open in safe mode with the command prompt.

I tried to reformat a LaCie HD that was previously used for a Mac for PC usage. Gave me a code 43 error and a problem code: 0000002B. Had a bad"block" in the HD somewhere read that I should try to use the manufacturer diagnostic tools to check the HD on.» Downloaded the "LaCie Update Tool" and installed it. It took a reboot. After the reboot, any USB devices worked. (Will begin another thread on the HD as soon as I have this problem.)

Tried to restart in Mode without failure. Then the Safe Mode with the command of the DVD prompt. (However, I'm not 100% sure that I'm loading from the DVD, I couldn't find a good answer on how to do something so basic.) Always seems to load in the window 7 - always end upwards the newspaper account on screen - certainly no command prompt.

The keyboard and mouse work on other systems and the keyboard works fine before the Windows 7 screen (the selection of mode that starts in) so I'm pretty sure that it is a Windows 7 problem. Can't really get in the error codes that I can't enter anything now or move the cursor at all. (I'll try to borrow a non-USB keyboard and mouse).

After a reboot when it asks me what I want to start the computer in safe mode or normal windows 7, loading the drivers, it stops at:

\windows\system32\DRIVERS\CLASSPNP. SYS

I don't know if this is normal or the system stuck.

I tried a manual reset of the motherboard and deleted manually the CMOS on the motherboard did not help - but don't expect really.

I think I need to run a disk check / fix from the command prompt, but I can't even at the command prompt to the top.

Thanks to anyone who takes the time to answer, a lot of satisfaction in advance.

My system:

Windows 7 64 bit

ADM Phenom 955 Black Edition Quad

ASUS 890FXA-UD5

Microsoft USB wireless keyboard and mouse

Less relevant stuff: ADATA DDR3 1600 G XPG 2 X 2 GB, Sapphire Radeon 4670 1 GB, Western Digital Caviar Black 640 GB HD, ASUS DVD/CD drive (DRW 24B1st) Corsair TX 750 W

The Repair Mode command prompt supports USB devices. Here is how you get there:

1. put your BIOS so that it uses the DVD drive as its primary boot device.
2 start the computer with your Windows 7 repair CD.
3. press a button if you are prompted to start from the DVD.
4. Select repair when prompted.
5. Select the keyboard language when you are prompted.
6. When you are prompted, select command prompt.
In step 2, you can also use the Windows 7 installation DVD. The subsequent steps are similar to those above.

The process described above is independent of everything that is on your hard drive. If your USB devices still do not work then you probably have a motherboard problem. If it is a desktop computer then you could by a 4 port USB card.

If you get an account and password for the boot process then you dΘmarrez not from the CD/DVD. I've seen a number of messages in which people reported that they were unable to boot from the CD/DVD drive. Here are the most common reasons for these failures:
-L' poster neglected the prompt to press a key to boot from the CD/DVD drive.
-The CD/DVD boot was not a boot disk or was damaged. Use it on another machine has confirmed this.
-Some BIOS setting was incorrect. Start with some other boot CD/DVD (for example here: http://pogostick.net/~pnh/ntpasswd/) confirmed it.
-The CD/DVD drive has been damaged or is unable to boot from a boot CD or DVD.
-The machine has a hardware problem (for example, a motherboard problem) which prevents start in any mode.

Tags: Windows

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