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I have a Cherry trackball keyboard model ML4400, i need to repair its both PS/2 connectors because its cutdown and lost anywhere,

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How to conect keyboard on my loptop

If it is a PS/2 keyboard (the one with the purple connector), your laptop has to have a PS/2 port, if not, you need an PS/2 to USB connector. If the keyboard is USB, just hook it up to the USB port of the laptop, and you're set!

May 28, 2012 | Computers & Internet

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I dont know how to connect the keyboard to my computer does it have any soft ware or extra wire to connect?

The keyboard does not have any software (It is plug and play). It has only a single wire. There are two different type of connectors at the end of these wires.
Some keyboards have PS/2 connectors and the connectors are round shaped and other keyboards have USB connectors which are flat in shape.
Take a good look at all the wholes on your computer and at the same time look at you connector (It will be either PS/2 or USB) and slowly and carefully insert the connectors.

note:There are two types of PS/2 connectors. One is for mouse(usually green colored) and the other for Keyboard (usually violet colored). Insert you keyboard accordingly.

Dec 11, 2010 | Computers & Internet

2 Answers

The trackball and buttons under eneath do not work

Is that a USB or PS/2 mouse? If that is a USB mouse, try connecting it into anotherUSB ports of the computer or try another machine.

Same thing with the PS/2 mouse, try another machine and if you get the same problem, then the mouse is bad and needs to be replaced.

Thank you!

Aug 26, 2009 | Dell Computers & Internet

4 Answers

My dell sk8110 keyboard has a round purple connector plug that fit my old computer. My new computer has only USB ports. How can I connect my keyboard to the new computer?
The round purple connector is refered to as "PS/2" type connector. You can find an adapter that converts PS/2 to USB connector. The above link was just to show what I was refering to. Hope this helps.

Aug 24, 2009 | Dell SK8110 Keyboard

1 Answer

Scorpius K3NT USB Keyboard prevents resume after standby in Win2K

When entering standby, the usb ports go to sleep. Most motherboards allow you to tell the bios that you are using a usb keyboard. That should solve the problem. I keep an old ps2 keyboard plugged in and on the floor as a 'just in case'.

Jul 24, 2009 | Mini iOne / Qtronix Scorpius K3NT PS/2...

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My Trackman Marble FX stopped working after dealing with a virus. Never could get it to work, maybe I just wore it out. Bought a Logitech optical mouse but the left click is messed up. It locks and does a...

It could be a bad Trackman or a bad PS/2 Port.

1st test if it's the port by trying another mouse, or by trying this Trackman in another known working PS/2 port on another computer.  (don't forget to reboot each time you plug in a PS/2 device)

2nd, you can try using a PS/2 to USB adaptor.

These two have great reviews...

$12 TRIPP LITE USB to PS/2 Adapter Model B015-000

$20 SIIG JU-ACB012-S2 USB to PS/2 adapter cable

Best of luck getting that wonderful Trackball working again!


Feb 20, 2009 | Logitech Trackman Marble FX Trackball

1 Answer

Asus M2N PS/2 port problem

there will be 4 no of fuses near the ps2 connector pls check them with mm for connectivity if all are ok then check the R pack near ps2 connector if both are ok then bga chif of mbd faulty & not repairable
Best solution is this use usb kbd & mouse

Nov 01, 2008 | Computers & Internet

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Belkin KVM STandard 9 pin mouse/keyboard to USB COnversion

You need to have the keyboard connecter (purple) connected to your computer in order for the KVM switch to recognize it. The computer is providing some power through the keyboard connector and this is what the KVM switch is feeding on.

If you have a USB keyboard, you may want to change your KVM for a USB compatible one. If you just want to use the KVM to switch your monitor, you may plug the keyboard (purple) connector of the KVM to your computer's keyboard PS/2 port and also connect you USB keyboard directly to your computer. It should work.

Feb 08, 2008 | Belkin 2 Port KVM with Integrated Cables -...

2 Answers

Logitech Trackman T-CJ12

if you havent got this yet-

theres a 4th screw under the label by the UL symbols.

just jam your screwdriver right through.

ok, joe

Sep 09, 2007 | Logitech Trackman Marble FX Trackball

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