It just shut itself down when I was watching TV and can't be boot up againCry

Everything works great before this happen.

Selling the complete desktop including the wireless keyboard and mouse and a remote control.
I will consider any resonable offers.

P4 2.8 GHz - RAM 512 MB (no sure)- HDD 1 x 160 GB - DVD-RW - TV-tuner - Mdm - Win XP Home - Monitor LCD display 15" TFT