no response from the keyboard

I have a Compac Presario SR2038X top pc office and plugged into my plasma 50 '' tv via a hdmi cable to use graphics sapphire Radeon 4550 HD on tv. Everything started, but when he asked my password to connect I have no response from my key board. My wireless mouse seems to work very well and the resolution is good too. It all started as it has always done but unable to enter my password. If anyone can help...

Wall-e, I suggest to reinstall software or a driver for the keyboard. Sometimes a small problem will occur without known reason.

Tags: HP Desktops

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