crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934243:0crwdne2934243:0 Donagh Murphy

crwdns2947189:0crwdne2947189:0:

Won't power on GPU fault?

crwdns2934249:0crwdne2934249:0:

I recently began fixing an iMac a1255 the first 2 diagnostic LEDs turn on but unfortunately the other 2 fail I presume it would be a GPU fault but was wondering if there were other troubleshooting steps to take
=== Update (05/09/24) ===
Update iMac was left sitting around till I sourced a CPU to try came to install first I tried powering it up before replacing but now only got diagnostic lights was working yesterday and nothing was done
+
+=== Update (05/15/24) ===
+
+Update got new ram and received error lights again but nothing else swapped CPU but no change till the morning when it booted up a few times but then it got stuck at a white screen and then multi coloured lines as well GPU ? Thanks in advance

crwdns2866306:0crwdne2866306:0:

iMac Intel 24" EMC 2134 and 2211

crwdns2915684:0crwdne2915684:0:

open

crwdns2934245:0crwdne2934245:0 Donagh Murphy

crwdns2947189:0crwdne2947189:0:

Won't power on GPU fault?

crwdns2934249:0crwdne2934249:0:

I recently began fixing an iMac a1255 the first 2 diagnostic LEDs turn on but unfortunately the other 2 fail I presume it would be a GPU fault but was wondering if there were other troubleshooting steps to take
+
+=== Update (05/09/24) ===
+
+Update iMac was left sitting around till I sourced a CPU to try came to install first I tried powering it up before replacing but now only got diagnostic lights was working yesterday and nothing was done

crwdns2866306:0crwdne2866306:0:

iMac Intel 24" EMC 2134 and 2211

crwdns2915684:0crwdne2915684:0:

open

crwdns2934245:0crwdne2934245:0 Donagh Murphy

crwdns2947189:0crwdne2947189:0:

Won't power on GPU fault?

crwdns2934249:0crwdne2934249:0:

I recently began fixing an iMac a1255 the first 2 diagnostic LEDs turn on but unfortunately the other 2 fail I presume it would be a GPU fault but was wondering if there were other troubleshooting steps to take

crwdns2866306:0crwdne2866306:0:

iMac Intel 24" EMC 2134 and 2211

crwdns2915684:0crwdne2915684:0:

open

crwdns2934251:0crwdne2934251:0:

-848512

crwdns2934245:0crwdne2934245:0 Donagh Murphy

crwdns2947189:0crwdne2947189:0:

Won't power on GPU fault?

crwdns2934249:0crwdne2934249:0:

I recently began fixing an iMac a1255 the first 2 diagnostic LEDs turn on but unfortunately the other 2 fail I presume it would be a GPU fault but was wondering if there were other troubleshooting steps to take

crwdns2866306:0crwdne2866306:0:

iMac Intel 24" EMC 2134 and 2211

crwdns2915684:0crwdne2915684:0:

open

crwdns2934251:0crwdne2934251:0:

+848512

crwdns2934241:0crwdne2934241:0 Donagh Murphy

crwdns2947189:0crwdne2947189:0:

Won't power on GPU fault?

crwdns2934249:0crwdne2934249:0:

I recently began fixing an iMac a1255 the first 2 diagnostic LEDs turn on but unfortunately the other 2 fail I presume it would be a GPU fault but was wondering if there were other troubleshooting steps to take

crwdns2866306:0crwdne2866306:0:

iMac Intel 24" EMC 2134 and 2211

crwdns2915684:0crwdne2915684:0:

open