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Windows 7: Sometimes when I start my pc my keyboard and mouse dont respond

10 Jul 2012   #1

Windows 7 Home Premium x64
Sometimes when I start my pc my keyboard and mouse dont respond


Some of the time when I start my pc windows loads but when the desktop opens the pc wont recognise any movement form my keyboard and mouse. The light is on on the mouse so it has power but the num lock / caps lock lights dont come on on the keyboard This has happened many times now but normally if I hard reboot the pc a few times it is fine. But I'm just wondering what causes this or how I can fix it. Also pressing num lock sometimes makes it work.

keyboard - razer black widow

mouse - logitech g400

mobo - Asus P8Z68-V Pro/Gen3

cpu - i7 2600k

My System SpecsSystem Spec
10 Jul 2012   #2

Windows 7 and MAC

Check this Basic Diagnostics Tool

Troubleshoot keyboard problems
My System SpecsSystem Spec
10 Jul 2012   #3

Windows 7 Home Premium x64

okay i have run the troubleshooter and will se if this fixes it, but i think i forgot to mention if my mouse doesnt work then neither does my keyboard and visa versa.
My System SpecsSystem Spec

10 Jul 2012   #4

Windows 7 Ultimate 64 bit

Do you have your keyboard and mouse plugged in to a USB addon card by chance?
My System SpecsSystem Spec
11 Jul 2012   #5

Windows 7 Home Premium x64

bassfisher no they are plugged into the mobo ports but I just noticed that they were usb2.0 plugs plugged into usb 3.0 ports, i dno if this would change anything but I have changed them round and will see if anything changes :)
My System SpecsSystem Spec
18 Jul 2012   #6

Windows 7 Home Premium x64

Yeah it is working fine now, apparantly usb 2 plugs dont like usb port ... who knew
My System SpecsSystem Spec

 Sometimes when I start my pc my keyboard and mouse dont respond

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