crwdns2934241:0crwdne2934241:0 Lukas OKZ technician

crwdns2934249:0crwdne2934249:0:

3 possibilities:

1.bad power supply,  (either try to repair by locating wrong component and replacing it , or but new psu for your model)

2.blown capacitors (look for any odd loking fatten caps on the board , replace if need be)

poor connection somewhere on the logic board.

good luck

crwdns2915684:0crwdne2915684:0:

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