Hello MajorGeeks! I have a problem with my PC I have not had before. I hope I'm placing this in the correct sub-forum, but I'm really not sure what the problem is, so I'm opting first for hardware. I have a Dell Dimension 8400 PC with a 200GB SATA internal hard drive. The PC is about six years old, the hard drive is about four years old. It has been running Windows XP Professional SP2. The drive at last use had about 50% used space. There are no partitions. RAM is 1GB. The PC was running normal and without incident until Sunday. I powered it down and everything was normal. When I turned it on later that night, the power button light illuminated, there were about four beeps from the PC and then the fan started racing faster and harder than I ever heard it before. Nothing comes on the screen, no BSOD, no error message, nothing appears on the screen at all. Each time I have tried to turn on the PC, the same thing happens, only sometimes the fan does not kick into high gear. I maintain Anti-Virus and Firewall software, along with some legit Anti-Spyware tools for maintenance, and recently incremented the security settings on my DSL Modem's Firewall. There were no evident signs of a malware infection. I haven't added/removed any applications very recently. Please assist me with any suggestions as to what this problem could be, or how I may best determine what it is. Thank you.