Thank you for your reply. If I understand correctly it may be that the PSU has given up the ghost as it lacked the capacity to deal with the demands of the GPU. If that is the case, does it make sense to upgrade the PSU or will the PSU's failure have damaged other components, perhaps beyond...
Hello,
Several weeks ago my PC made an electrical crackling noise on start-up. However, it booted up fine but after five minutes or so switched itself off. I restarted it without a problem and subsequently it worked as normal for the few days before I went away. Having just returned from holiday...