Having problems with your HP Pavilion dv5000z Notebook ?

Laptop freezes with blank screen, backlight stays on.

\015 HP dv5000z laptop, about 3yrs old. My screen goes blank and computer becomes unresponsive seemingly at random. The backlight stays on, but the screen is black. Alt+Ctrl+Del has no effect, and neither the "Caps Lock" indicator light nor the "Mute" indicator light toggles when the respective key is pressed. If cooling fans were running before the computer blanks out, they continue to run. The only recourse is to hold down the power button till it powers down, then turn it back on, whereupon it boots up normally.This problem seems to occur once the computer has been running ~1hr, though it sometimes happens within a few minutes of starting up. This will happen whether or not the computer is being actively used. It seems that the computer becomes "busy" (i.e. hourglass cursor with no pointer) a couple seconds before blanking out, but I'm not sure if this is always the case.I have adjusted the power settings to prevent screen saver, monitor off, hard disk off, and standby, but the problem persists. The battery has adequate lifetime (~2hrs or so) and charges normally. The problem occurs whether running on AC or battery. Spyware / Virus scans come back clean when they manage to complete before the computer blanks out. Other than this, I've never had any issues with this laptop.This problem is quite frustrating, since I can do nothing to diagnose the cause once it occurs, and I also can't cause it to happen at will in order to show someone else! Most online help forums related to blank screens focus on backlight/monitor issues, which don't seem to be relevant here. I appreciate any suggestions or advice.\015

Answers :

Try to reinstall ur windows
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