crwdns2934241:0crwdne2934241:0 Yklamin

crwdns2934249:0crwdne2934249:0:

It is most likely a PSU failure and/or some capacitor blown.

You need a multimeter and a new PSU (like this: https://www.ebay.co.uk/p/5007142744), or if you have a configurable power source you could use it to verify that the problem is the PSU.

crwdns2915684:0crwdne2915684:0:

open