Mouse and KB not working properly in BIOS

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newbs

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Dec 17, 2013
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Greetings
I have a Asus m5a97 motherboard with uefi bios. When i am in bios my mouse and keyboard stop working normally. The mouse cursor acts as if it was glued to the top left corner, i have to move it in the opposite direction to even have it on the screen. While the cursor is on the screen it keeps moving around in all directions and when i stop moving my mouse the cursor goes back to the top left corner. I have very little control of my mouse like this, clicking on something i want is more luck than anything. The keyboard doesn't respond at all unless i keep moving my mouse while repeatedly pressing a key ( esc for the menu for instance) . In the advanced menu of the bios the keyboard acts as if i was constantly pressing the down arrow, moving down to the bottom of every page very quickly. I can't navigate the bios like this.
Both mouse and keyboard work perfectly in windows. I haven't done any changes to my computer in a long time. I can't really tell when this started happening because i haven't been in the bios menu for a few months. Last time was maybe start of the year and everything was ok back then.
I tried to clear CMOS with the jumper and by removing the CMOS battery and it didn't help. I could try to update my bios but the problem is that i am already at the latest version for my motherboard.
What would happen if i tried to flash the same version again? Would a prompt appear on the screen telling me that i already have the latest version and abort the flash, or would it go through with it ? I can't go back to an older bios version because this motherboard only support my cpu (amd fx 8350) with the last update and i don't have an older amd cpu laying around.
Any other suggestions ?
 
Solution
I would disconnect the usb mouse and try a ps/2 mouse to see if bios acts out, or try using a usb mouse and usb keyboard.
I am wondering if the ps/2 and usb controllers in bios are arguing on irq's
Sorry i forgot to mention that. The mouse is a generic usb mouse and the keyboard is an old ps/2 keyboard. As i said i don't have any issues in windows and it worked before in bios as well.
 
I figured it out. This is kinda embarrassing but it turns out that issues have been caused by my usb gamepad. The gamepad can switch between directinput and xinput by press of a button. When its in directinput mode windows doesn't recognize it anymore, so i use that when i want to turn it "off" without disconnecting the usb cable. I don't know how but thats what "confused" the bios lol . When i turn it to xinput mode everything works again . I have tried it several time now, flick to directinput mouse and kb go nuts in bios, turn it to xinput and its works again :)
Sorry for wasting anyone's time. I really didn't know about this.
 
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