i have fixed the problem with BSOD but instead sometimes i have another problem. the old problem was the BSOD here http://windows7forums.com/blue-screen-death-bsod/51610-bsod-windows-7-error-new-post.html and u help me out to fix it but after that sometimes when i have turn on my computer just after the windows log in stay for a little moments and he get restarted and this happens only when the pc comes after a long time of innactivity for example in the morning. After the restart evertything is fine but i repeat this not happened every time , sometimes i don't know what the problem is and what should cause this problem but maybe u can help me out to solve this problem. i can run games do everything that i want even to restart the computer after doesn't happen nothing everything it's ok but sometimes i repeat after a long time of innactivity after a few minutes he get restarted but not every time. I have installed the registry booster and i haved run it and fixed the registry errors. pls... help me to solve this problem and what should cause it. i'll wait for an answer as soon as possible .