USB to PS2 converter for keyboard: strange behavior
Thread poster: Attila Piróth

Attila Piróth  Identity Verified
France
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English to Hungarian
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Oct 24, 2009

I have recently bought a USB to PS2 converter so that I can connect a PS2 keyboard to my laptop. When plugging in, connection is established, but after a couple of seconds (which is about enough to type one word), the connection is lost. Any ideas what can cause that and whether it can be fixed?

I have Windows Vista Basic on the laptop, which is an HP 6730s.

Attila


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Natalie  Identity Verified
Poland
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Hi Attila Oct 24, 2009

Silly question: are you sure that the PS2 output is for the keyboard and not for the mouse? Or is it an adapter with a dual PS2 output?

Another question: have you tried to reboot the laptop with the keyboard already plugged in?

Natalia


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Bios Oct 24, 2009

Just a hunch: you may have to go into the Bios and look for a check box "enable usb keyboard" or some such wording.

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Attila Piróth  Identity Verified
France
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Bios -- could you be more specific? Oct 24, 2009

Thank you for the two answers so far.

Nathalie: the device has two PS2 ports, one for the mouse and one for the keyboard. When I plug the keyboard into the keyboard port, it ceases to works after a couple of seconds. (When I plug it into the other one, it does not work at all.) Rebooting does not help.

Tobias: It sounds promising -- but I cannot find it. Where is this item? I have the following main menu items: File; Security; Diagnostics; System Configuration.
Under System Configuration I have the following submenus: Boot Options; Device Configurations; Built-in Device Options; Port Options; Set Security Level; Restore Security Defaults.

Under the "Port Options" submentu all items (Flash media reader, USB Port, Express Card Slot) are enabled.

Under the "Built-in Device Options" submenu all items are enabled except for "LAN/WLAN Switching" ("Disabled" is selected) and Wake on LAN ("Boot to Network" is selected).

"Device Configurations" does not seem to be relevant. (Here, too, all items are enabled except for "UEFI Boot Mode").

So, I don't see where I could set an item that looks like the one you mention, Tobias. Any ideas?

Attila


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RieM  Identity Verified
United States
Local time: 09:54
English to Japanese
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Is this a signal conveter? Oct 24, 2009

The following link may help you answer why the keyboard does not work. You might also have to return what you have now and buy a signal conveter, or it might be just easier to buy a new keyboard. I have a docking station with a PS/2 port, and so I cam plug in the PS/2 keyboard and works fine with Vista.

http://www.clickykeyboards.com/index.cfm/fa/items.main/parentcat/11298/subcatid/0/id/124184

If you have the right converter, and then for some reason Vista's built-in driver (this should be for the USB keyboard, even though the keyboard is PS/2) does not work properly, then you need to update the driver from the Control Panels.

Regards
Rie


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Attila Piróth  Identity Verified
France
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Simple adapter Oct 25, 2009

Thank you, Rie,

for the link. My device is the simple one shown here: http://www.clickykeyboard.com/2007/ps2_usb-4.jpg , so, according to the link, no driver is used. Any more ideas?

Attila


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Natalie  Identity Verified
Poland
Local time: 15:54
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English to Russian
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Could be simply bad contact problem due to faulty adapter Oct 25, 2009

I would suggest returning it to the supplier and replacing by another one. I have exactly the same adapter, and it serves me since at least 5 years with two different laptops, one under XP, another under Vista. Never had any problems with it.

Natalia

P.S. I would also recommend to try it with some other laptop - ask someone of your friends who has a laptop to give a check to your adapter.



[Edited at 2009-10-25 11:54 GMT]


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LuciaC
United Kingdom
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English to Italian
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Wouldn't it be simpler... Oct 25, 2009

to buy a compatible keyboard? Prices start from 10 euros on Amazon.fr.

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configuration Oct 25, 2009

Attila, perhaps your laptop has no such setting. The "enable USB keyboard" setting is available on recent motherboards I have installed. If it were there, it would probably be buried under "configuration" somewhere.

Another thought: if the keyboard is truly ancient, you might need to enable "enable legacy USB" or "enable usb 1.1" in the BIOS.

As a more general observation, the symptoms you describe looks like some kind of hardware interrupt conflict.


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