Hello, I've dell n5010.
few days ago it has stopped displaying any thing on internal monitor with 8 beeps, while it works fine on external display.
after many reboots it works again.
the problem is: sometime it works normally and others it display nothing with 8 beeps.
I've googled the problem, and replaced the lcd flat cable but the same it still the same issue.
btw few times it display scratch line on external monitor.
Any help plz.
Regards,