power button blinking continuously and will not power on

Question

HP ProBook 4540s

This HP model was released in 2012. Upgrades include a anti-glare 15.6" screen and a finger print reader.

crwdns2934065:0crwdne2934065:0: 1

1

crwdns2933897:0crwdne2933897:0

left working and plugged in while out of town for 5 days, now this when I came home. What happened and how can I fix it?

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

yes did that and also pressed and held button 20 secs then plugged back in and reinserted battery, same blinking. devastated!

crwdns2934271:0Nhl 19, 2017crwdnd2934271:0 alice fulwiler crwdne2934271:0

I'm sorry I can not be of any other help, that is the only way I know how to fix it. You should most likely take it to a repair shop then.

crwdns2934271:0Nhl 19, 2017crwdnd2934271:0 Galen P Garofalo crwdne2934271:0

yes did that and also pressed and held button 20 secs then plugged back in and reinserted battery, same blinking. devastated! — alice fulwiler
I'm sorry I can not be of any other help, that is the only way I know how to fix it. You should most likely take it to a repair shop then. — Galen P Garofalo