MY HP Probook 4421S

[OptimistDio]

my probook 4421s have about same problem,  when turn the power on,  Hp logo come up, at lower left corne said (press

the ESC key for startup menu. and I try  all the key, nothing is work.no F2,F8,F10. then  I try  to reseat all memory, still

not work, so I took the hard drive out put into other laptop, it work very good.    then I put hard drive back to hp again,

nothing chage, still only have hp logo, wireless key orange light on, Cap lock key (white) flashing.  

pppplease help help help.........

[Parvez_Admin]

Hi,
You have reached the wrong company for Printers and PC products. You need to register and post in the HP Inc. Support Forum.
Here's the link:
http://h30434.www3.hp.com/