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Thread: gigabyte ga-ep45 USB not working.




  1. #1
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    Default gigabyte ga-ep45 USB not working.

    My machine was working fine until I adjusted a few settings in the BIOS. I then went to fix them by setting it to optimized as well as safety settings, I might have even tried reboot from last successful time. Well for some reason now when it boots up my USB ports are not working. This is a pain since my keyboard and mouse are USB. Anyone ran into this before and know how to fix it?

    I tired taking the CPU battery out to rest the BIOS but that did not fix it. Please any help would be great I am pulling my hair out here.

  2. #2
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    Default Re: gigabyte ga-ep45 USB not working.

    try re-installing the motherboard drivers that came with the cd ...if you still have it
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
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  3. #3
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    Default Re: gigabyte ga-ep45 USB not working.

    Would those drivers be on the Gigabyte CD that came with it? Also I can not use my mouse or keyboard since they are USB.

  4. #4
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    Default Re: gigabyte ga-ep45 USB not working.

    Quote Originally Posted by russellmcg View Post
    Would those drivers be on the Gigabyte CD that came with it? Also I can not use my mouse or keyboard since they are USB.
    yes all the drivers for usb are on there how are you typing now??? cant u use the keyboard in the other pc? ps2 socket?? and do you have the cd? you can go to gigabyte website and look if not
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
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    Default Re: gigabyte ga-ep45 USB not working.

    I am typing on my laptop and the issue is on my desktop. Yeah I (like an idiot) got rid of my old ps2 keyboards a few years back, now I am kicking myself in the butt of it. Do you think the ps2 keyboard/mouse would work since it is not directly related to the USB? Also have you heard of this happening before?

  6. #6
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    Default Re: gigabyte ga-ep45 USB not working.

    ps2 socket might work,also go in the bios i dont know what section it will be under but look for keyboard device and select usb and save and exit then try and boot...sometimes it will corrupt software if pc crashes but look in all the bios settings first for usb keyboard
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  7. #7
    Join Date
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    Default Re: gigabyte ga-ep45 USB not working.

    Unplug PSU, use a jumper pin to clear cmos for 10 minutes, take jump pin off, boot the system with both mouse and keyboard unplugged, after system posts, turn off, plug your keyboard and mouse back in the bottom USB ports, and turn system back on back on.. .

    If that doesn't work. I would clear cmos using jumper pin, boot without any ram installed... after error beep/code, turn off, unplug, reseat ram, plug keyboard/ mouse in, turn on..

    Worth a shot.. gl

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: gigabyte ga-ep45 USB not working.

    Well the thing here is, he cleared the CMOS already by loading optimized defaults.

    The problem is USB Mouse and Keyboard are NOT Enabled by default, not sure why Gigabyte does this!

    You will need a PS/2 Keyboard, or a USB to PS/2 adapter to get back into the BIOS to re-enable these settings.

    If you need help finding an adapter let me know, they are cheap $2-3

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