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You didn't specify what type of keyboard it is or a model number, but still, here goes: If it's a wireless keyboard then make sure you've inserted working batteries from the back side of the keyboard, turned any on/off switch to "on" position (if there is one) and connected the wireless receiver (usually USB type) to you PC. It might take a while for your system to recognise your new hardware device and install drivers for it. If it's a wired keyboard, then find a socket at the back of your PC that matches the connector on the keyboard's wire and plug it in. If it's the old PS type connector, then make sure the colour codes of the connector and the socket match and reboot your PC. If it's any other connector type you don't have to colour match them, just find a socket to which the connector fits exactly and reboot your PC. Hope this helps ;)
If there are PS2 connectors be sure you put the keyboard in the keyboard and the mouse in the mouse socket. There should be symbols next to the connectors. USB connectors will identify themselves so they do not care where they are plugged in. Printers and scanners not using a USB connector will require that you tell the computer what is there. Using an adapter for USB on the old cables does not mean that the hardware will be recognized. These issues are identical to those on a desk top PC as far as recognition and setup. Some older laptops may require the BIOS to be set to use different hardware. The BIOS will have a list of options for internal or external hardware. P4 systems should be fully automated to recognize the items.
Did the old keyboard plug into a PS2 keyboard socket (round purple connector) or into a USB port (flat rectangular connector)? Similarly, what type of connector is the new keyboard?
If it is the round PS2 connector you may have connected into the green PS2 mouse socket instead of the purple keyboard socket. Although the sockets are similar, they work differently.
If it is USB, then try moving it to a different USB port.
Try the keyboard on another PC.
If you cannot get it to work then replacement keyboards are very cheap.
Unfortunately there is no color code for the cables in the PS2 connector. All the details that I can give you is that if this is the PS2
The pin #1 moves DATA. The pin #2 is not connected or DATA2 (usually not connected) The pin #3 is GND The pin #4 is VCC for power (+5 VDC) The pin #5 is CLK for Clock The pin #6 is not connected or CLK2 (Usually not connected)
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Thanks and regards Stelios direct fixya link: http://www.fixya.com/users/technical114
on the back of your computer box, you will (probably) find 2 ports that look like this. the PS2 mouse will be plugged into the green colored port. NOTE: PS2 mice (and keyboards) will only fit into the port ONE DIRECTION, so don't force it! make sure to line it up
once plugged in, you will need to reboot your computer, as PS2 can only be recognized while the computer is starting up.
one final note: some of the newest computers DO NOT have PS2 ports. if this is true of your computer, you will need to get a new mouse, or an adapter, like the one shown below:
If you mean the keyboard there are no on off buttons for that.
It works or it doesn't.
If it doesn't, then check it is connected properly first. if its a ps2 type connector then make sure its plugged into the ps2 KEYBOARD socket and not the PS2 mouse socket they are quite often colour coded to make it easy purple and green
If its USB then make sure it is plugged directly into the computer and not via a hub.
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