Hp probook 6570b flashing capslock

biosboothp-laptoplaptop

I have a hp probook 6570b that I am trying to fix for a friend. When you turn it on the first thing it doses, is that the caps lock and scroll lock key flashes once and after that only the caps lock key is constantly flashing, it never boots up and you can't get in to the bios, I have cheked the ram, remounted the cpu, Change the battery. What should I do?

Best Answer

In an HP laptop, the Caps Lock and Scroll Lock keys are used to diagnose hardware failures and startup issues. The number of flashes and on what key is used to diagnose the issue.

http://imgur.com/a/En4v3

A quick Google search would yield this: http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c01732674 which explaines this in more detail

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