Two weeks ago my Dell XPS 420 refused to boot up. The diagnostic lights on the front panel ( 3 and 4) were lit, indicating that the two memory modules had failed. I removed and reinstalled the modules and got the PC to work for three days, when they failed.
I ordered two new modules and installed them. The PC worked for a week when it again failed to boot and the same diagnostic lights indicated that the memory had failed.
I tested the diagnostic system by removing both modules. Light 1 lit up. That indicated that there was no memory installed.
I suspect there may be a MOBO problem. But if that's true, why would the memory work for a while and then fail? Any suggestions as to the cause?
I've had no previous hardware problems in this 4-year-old PC.
I ordered two new modules and installed them. The PC worked for a week when it again failed to boot and the same diagnostic lights indicated that the memory had failed.
I tested the diagnostic system by removing both modules. Light 1 lit up. That indicated that there was no memory installed.
I suspect there may be a MOBO problem. But if that's true, why would the memory work for a while and then fail? Any suggestions as to the cause?
I've had no previous hardware problems in this 4-year-old PC.