2x usb controller wont work on pc 1 work fine

[truckercech]

hi to all

im using usb joystick controller for my project as button box for pc (for racing games and second controller for shifting gear for truck gaming)

if i plug one, its ok and working, if i plug two of them, in pc game controllers i can see two usb joystick but working only one, second is making error like ,,bad connection" and sometimes some other usb slots in pc stop working....
after restart pc all is working again fine, but only with one controller

im on newest windows 10

thank you for any info

[Vocalitus]

Could be a voltage issue or faulty board. 

Try using USB3 or get a daughter card for more ports.

I would get a better quality zero delay board from amazon for $10.

[Phreakwars]

Have you tried testing both controllers together on another PC to see if this is still an issue? That does, like Vocalitus says, sound like it could possibly be a voltage issue. I'd test just to be sure, that the issue isn't traced back to the motherboard itself.

[truckercech]

no voltage issue..as i plug some into pc and to usb hub which i have external powered....i have connected over 10usb  items like keyboard, mouse, steering wheel etc..no problem... my guess is...its look like pc dont know difference between controllers... like it show 2 controllers but can control only one in same time....

[Drnick]

I may be going mad but there was an oddity I have heard about with some zero delay encoders,  ensure that all your connections are plugged in exactly the same on both controllers.  So U/D/R/L on joystick and however many buttons you have, ensure in exactly the same sockets on both.   Do not have any additional buttons on either, so if only 1 coin input leave it out for now and use 5 on keyboard to insert coins.

[JDFan]

Also check your Mame/Emulator settings and make sure you have Multiple Mice and multiple keyboards enabled.