Laptop problems disc not reading

As far as I know, the original zd8000 operating system is Windows XP. If you have Windows 7 installed, then you need to get Windows 7 disc and its product key. If you need the Windows XP reinstallation media, then you can use HP Windows XP reinstallation disc only (for example: HP Windows XP Professional with SP2 disc).

If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN ... Power LED and battery charge LED start flickering when you wiggle the power .... HP Pavilion dv7-4080us 17.3-inch Desktop Replacement Laptop PC ... High-Capacity Battery For Hp Pavilion Zd8000 Series Laptops ...
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http://www.tradebit.com/filedetail.php/835391-hp-pavilion-zd8000-zd-8000-laptop

ITS A PROBLEM WITH THE RAM.
REPLACE THE RAM

IF THE ISSUE IS STILL THERE THEN WE NEED TO CHANGE THE RAM SLOT . WE WILL TAKE THE LAPTOP FOR RAPAIR

This can happen when the disc to which you are trying to write is corrupted, or has been partly used. Try another disc.

this pdf file gives step by ste disassembly instructions they begin around page 92 HP Pavilion zd8000 Notebook PC - Maintenance and Service Guide

you need to remove the front screen bezel (remove the screws and unsnap the cover)

then unplug the Pink and White Power Plug to the LCD Bulb..... Also Unplug the Display cable Plug from the other end of the inverter... Unscrew the inverter from the screen and remove/replace

plz clean your lens by dvd lens cleaner

Hi, the manual is available in FixYa itself.
The link is http://www.fixya.com/support/p381158-hp_pavilion_zd8000_pf456av_pc_notebook/manual-3309

One external link is
http://www.onlinefreeebooks.net/?s=Maintenance+and+Service+Guide+HP+Pavilion+zd8000+Notebook+PC.pdf+

Have you looked through all of your power options under

Control Panel -> Display -> Screen Saver (TAB) -> Power (look at these settings).