It's just dead. Very little heat.

So this was my xbox that I used almost every day before it broke. It said e74, so I reflowed HANA. didn't work, reflowed gpu. It worked. So I put thermal paste and put heatsink a back on, shows 0020, fixed that, then 0031. Reflowed southbridge and now it is dead. I only get a tiny bit of heat from the standby mosfets, they are giving normal voltages. What should I test?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 3
crwdns2934285:0crwdne2934285:0