Question about MSI A78M-E35 Micro ATX AMD Motherboard

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Where is CMOS located on a MSI A78M-E45 FM2 motherboard

I need to reset because after Bios all of my USB ports lose power and My keyboard and mouse dont work to install Windows 7.

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I went to MSI website and found manual, downloads, support:
http://us.msi.com/product/mb/A78ME35.html#/?div=Manual
I am assuming your problem is changes you made in configuration, and need to reset. You should be able to find info here. I hope this is helpful.

Posted on Mar 28, 2014

  • Ryan
    Ryan Mar 31, 2014

    Problem solved. I needed to update my chip set. I had to use an old PS/2 keyboard and navigate the disc that came with the motherboard without a mouse, which was difficult because im a noob and this was my first build. Once the chip set was updated windows recognized my usb ports.

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SOURCE: Mouse & keyboard not working

You're "stuck" -- if the circuitry for the PS/2 keyboard and mouse is not working, and if it does not recognize a USB keyboard, the motherboard must be replaced (by an identical moetherboard, if you can find one, or a "newer/better" motherboard that takes the same CPU and RAM as your current motherboard).

Posted on Jul 30, 2010

byteguy
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SOURCE: MSI usb problems

Sounds like your O/S was damaged when the old MB failed. I'd boot the computer with yoru system disk and run a scandisk or, in the case of Win Vista or 7, choose the option to repair Windows.

Posted on Mar 22, 2012

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http://www.ascendtech.us/emachines-kb-0705-ps-2-keyboard-black_i_kbdemkb0705bps2.aspx

Things I see here.
1) The second Keyboard you plugged wasn't any good either.

2) The PS/2 port for your keyboard on your motherboard, isn't any good anymore.
Computer off, plug it into the Mouse PS/2 port, and use a USB mouse.
BIOS will reset the I/O address for that PS/2 port, and set it for the Keyboard, when the computer is turned back on.

You may have to;
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B) Unplug from power.

C) Press the Power On button in, and hold it in for a count of 10 seconds. Let go of the Power On button. Do this same procedure two more times.

What you are doing is draining residual power, clearing CMOS Error Codes, and resetting BIOS back to the factory default settings.

Keyboard plugged in, USB mouse plugged in, plug the computer back into power. WAIT 1 minute, turn the computer on.

Still no?
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My USB is disabled on BIOS. I cannot use my keyboard/mouse (usb) when the computer start. I have no access to my BIOS due my motherboard has no PS2 keyboard connection. How to get access to my BIOS...


Hello

Reseting of your motherboard is the only solution for that problem. All you have to do is clear the CMOs battery of your motherboard. Turn off your computer then remove from the power plug or to a AC plug. Then remove the CMOS battery from the motherboard after five second return the CMOS battery to the motherboard. Plug in your computer to a AC power then power on the unit, then push delete while booting up now you can change the setting of your USB setting on the BIOS.

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Good luch.

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