I have been using Dell GX260 since last 3 years, due to illness I could not used it for 6 months, now when I started PC it is started properly and worked for 30 minutes approximately but after that It is halted, i restarted again some bios error shown and now it is not starting at all. But one thing I noted its power LED Becomes amber,
HDD lights show progress for some time
Power Supply working
CPU Fan working
CD drive working
Please help to solve this problem.