Posting in this forum as i felt this is appropriate I get blank screen after the system enters Windows XP option. This happened after the system got affected with a Trojan. I got message that a Trojan has been detected and system needs to restart. When I restarted, the system did not start up. Following is the sequence : Systems starts. a.I press power buton & Wierd sound (light but wierd) comes b.Dell logo appears c will get two option 1. Windows XP recovery conole 2. Windows XP professional When it enters Windows XP professional, nothing comes up, only black screen. Windows XP recovery console works fine Same problem happens for the following 1 Safe mode 2 The best last know configuration I do not have the Windows XP CD as I missed it. I guess some virus is causiong this problem. Any inputs on this.