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

crwdns2934243:0crwdne2934243:0 mike

crwdns2934249:0crwdne2934249:0:

You will need to open it up and check that all connections are good including CPU, GPU, hard drive, reseat RAM modules, Wi-Fi, screen cables, etc.
[document|26650|Hardware Maintenance Manual]
-https://www.ifixit.com/Answers/View/745970/Why+does+my+power+button+blink+3+times
+Have you tried the Reset option with a paper clip? Go to the explaination here:
+
+[post|745970]

crwdns2915684:0crwdne2915684:0:

open

crwdns2934245:0crwdne2934245:0 mike

crwdns2934249:0crwdne2934249:0:

You will need to open it up and check that all connections are good including CPU, GPU, hard drive, reseat RAM modules, Wi-Fi, screen cables, etc.
[document|26650|Hardware Maintenance Manual]
+
+https://www.ifixit.com/Answers/View/745970/Why+does+my+power+button+blink+3+times

crwdns2915684:0crwdne2915684:0:

open

crwdns2934241:0crwdne2934241:0 mike

crwdns2934249:0crwdne2934249:0:

You will need to open it up and check that all connections are good including CPU, GPU, hard drive, reseat RAM modules, Wi-Fi, screen cables, etc.

[document|26650|Hardware Maintenance Manual]

crwdns2915684:0crwdne2915684:0:

open