Hp Lj enterprice m609

[Chlgmchjiru]

I have hp laserjet enterprise 609 to to repair. When por is on every sound is ok. But no LCD screen displaying. I remove the 500G.B hard disk.and on agin screen is come and error of no hard disk i change the hard disk it the same. How can i solve this?

[ninja_unmatched]

Your post is unclear. Not sure what you saying.

[Chlgmchjiru]

At power on, all motors sound is ok, but touchscreen is blank (black). I removed 500G.B hard disk from formater power on back, Screen come with error. I change the disk no display.