No items appear in the Device Manager

I can't get my laptop to detect any devices when I plug them in, I check the "Device Manager" and its empty. I checked for corrupt files as one article suggested and it looks like that's not the problem. I don't have any antivirus install either.
Any suggestions? Please help, I was told that if I don't fix the problem soon, the laptop soon won't boot.

Is there any changes before this issue happen?
I suspected this is registry issue
This step should be helpfull
http://www.registryrecycler.com/blog/2013/10/fix-blank-empty-device-manager/
If still not working, i suggest do inplace upgrade or restore your windows
http://support.microsoft.com/kb/2255099/en-us

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New ATA channel with an exclamation point appear in the device manager at each start (when no new device has been installed)

Good morning,
My desktop, (Win7 64, AMD cpu/ Gigabyte mother board) , started to generate strange problems such as my laser usb printer not reachable even after disinstal/reinstall.
I took a look in the device manager, and found 2 ATA channel with an exclamation point, "drivers not found'. I also found a USB universal controller with the same exclamation point and the same error.
I changed nothing in terms of Bios since the machine was built (AHCI, Raid not active). The main drive is a SSD on primary SATA port, classic drive on the second port.
I deleted the 3 items, the printer started to work again. They reappeared after the next reboot.
Weird thing: it looks like the problems appeared after connecting/disconnecting a Nikon camera to one of the usb port (identified as a mass storage device).
I ran multiple scans (root) in case a virus would have generated the problem, negative.
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Thank you

Hi,
I'd ask your question in the Windows forums here:
http://answers.microsoft.com/en-us/windows
Or perhaps over in the Win7 IT Pro forum here, since you seem fairly comfortable:
http://social.technet.microsoft.com/Forums/en-us/home?category=w7itpro&filter=alltypes&sort=lastpostdesc
This forum is meant for reporting issues with the forums themselves, not product support.
Good luck.
Don't retire TechNet! -
(Don't give up yet - 12,950+ strong and growing)

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Well this is a Toshiba US notebook I think so ;)
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Regards

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Be well,
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Hi there @Eliyana
Welcome to the HP Support Forums!
I understand that your Webcam is not working and does not appear within device manager. I am happy to assist.
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Webcam Troubleshooting (Windows 8)
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http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

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Is there a way of displaying the various item in my Downloads folder as icons arranged in order of Date Created, such that the most recent items appear at the bottom, rather than the top?

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Really? Nothing? This computer is one year old. Absolutely no reason for this to be happening. What a joke.

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Hi
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Tony

No items appear in the Device Manager

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