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Hi everyone, I hope you’re all doing great. Here’s my problem : The situation : I tried to change many components in my mac mini a1283 to boost its performance. I followed the guides to install those followings: Hard drive : intel ssd 520 series 120GB RAM : 2x 204-pin SODIMM ¤ DDR3 1066MHz CL7 (2 x 4GB, product from Corsair ) Unfortunately as i couldn’t follow the instructions but on my smartphone i didn’t notice the part where it said not to touch the thermal cable (now it’s not broken but apart of the circuit, i’ll be able to fix it). The results for now: Now the computer won’t turn on, i just have the lights on the device and a beep that repeat itself. So I looked on the internet and found it meant that there was no RAM (but the new RAM is inside). Thinking that 8GB was too much i tried to put the old ones again (with the old ATA hard-drive too), still the same result. Nothing on the screen just the one beep that repeat itself. Despite the old RAM that were working before the manipulation, there’s just nothing at all for the mac. What can I do?

hi From the data that fetches from the serial number you gave is that you have a Mac mini “Core 2 Duo” 2.26 (Late 2009). The apple specs states that it can only support 4GB(2 X 2GB) of RAM but i have read on some websites that it can support 8GB(2 X 4GB) of RAM not sure about that. But as you mentioned after installing the old RAM back it didn’t worked, For this i would suggest you to recheck if all the connectors and the RAM is been seated properly. If you still get the Beeps please explain the nature of beeps as for RAM error the beeps wold be something like this BEEP BEEP BEEP a Pause BEEP BEEP BEEP ie 3 beeps and then a pause then 3 beeps again and it continues. if the beeps are not in this fashion then its some other issue and you have to tell us how the beeps are. If you think i answered your question please rate (score) and mark it accepted. :) Thanks

If you have a “one beep” over and over continuously until power off it’s a logic board issue.

It sounds like a logic board issue but you also stated you touched the thermal connector and its disconnected…if that’s the case you’ll definitely get a Veep code and no boot as the Mac us essentially protecting itself. Make sure EVERYTHING is reconnected. RAM will always produce a 3 beep pause, 3 beep pause over and over so a single Veep,is not the RAM. Make sure the data connector to the logic board didn’t pull out when you swapped the drive, did any fan connectors come loose? The newer Mac minis have a fan connector that can be ripped off the logic board very easily if you lift the assembly up to high before removing it, it’s very, very touchy and easy to come unsoldered from the logic board by a simple wrong touch. I pulled mine out very, very, very carefully and it still came. Loose took the receiver clip off the logic board with it when I tried to unplug it, which is a horrible design, I’m not sure if the older ones have this or not, but you have to make sure every single cable is re plugged in or you’re going to get beep codes and not boot up. So I would reverse the process and check everything very carefully and be very patient as to not rip a cable. Or have something come loose from the logic board? Otherwise you could very well. Need a new logic board as some of the stuff is so small it can’t even be soldered but if you’re getting a single beep code you definitely have a logic board issue or something connected to it that isn’t and so it’s producing a code

For all Intel Macs until 2016 I believe, they do a POST (power on self test) on startup. If it passes, you’ll hear the bong. If it fails, you get the SMC beeps until you shut down the computer. One beep usually means no RAM is detected, so there could be an issue with your RAM connection. Your RAM might not be bad or incompatible - that would result in 3 beeps ( _ _ _ ) Unfortunately I believe the RAM sockets are part of the actual board itself.