I recently had my Hp ZD8000 reformated after it crashed on me. It was working fine for about a month then I tried to turn it on the next morning after a normal shutdown and now it does not want to finish the start up process. I have rebooted in safe mode and removed the battery and these only have random results (mainly not working). Now being an HP laptop I do not have the os disc so can not reformate myself. I have read about it being stored on the hdd and "by following these steps you can reformate" I dont seem to have these steps available. Any advice apart from drowning it (lol) will be apreciated.
Try the "Recovering from the recovery disks" section but it only works if you have a special partition that cannot be re-format/re-partitioned inside called "EISA partition". all your data will be gone though.
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Your ROM BIOS is asking you where to find bootable media, and when you tell it the HDD (hard disk dive), the ROM BIOS can't find a bootable partition on it and just quits, leaving the screen blank.
So, either your HDD is no longer connected to the system bus (was the laptop dropped recently?), or someone (or something - aka virus/worm/trojan/malware/rootkit, etc.) has erased your bootable OS (operating system) from the hard drive.
Fix: boot from a "Recovery CD" and use the utilities thereon to repair your OS (or at least find what's left of it), and try to reboot. Failing that, run any/all diagnostics that your ROM BIOS has - especially memory tests and HDD diagnostics. Why? (a) bad/jarred loose memory (RAM cards) will prevent booting (b) an HDD that fails low-level diagnostics may never be salvageable and may have to be replaced - it actually may have had a head crash - which tends to happen when a ZD8000 notebook is dropped while the system is running - or a head can crash for no apparent reason.
If you can get the system to boot to SAFE mode - run sfc (system file check) as your first attempt to repair the operating system - its already in Widows, here's how to run it:
START > run > sfc
As soon as you can get beyond safe mode, update your favorite anti-virus package database and run one (or more ) deep scans, until the last scan that ran to completion found nothing.
visit HP's site, http://www.hp.com/#Support enter your system details then download bios. after downloading the bios. close all open programs. remove any external device. make sure ac adapter is connected. then run the bios update. that should do it. =)
if the computer works fine for the first few minutes without the fan spinning, you probably only need to replace the fan. when the image is fading, do you get lots of flashy colors? that's mostly a sign of graphics overheating...
Listen up, I have had a pretty bad virus on my computer before where this guy hacked in and created his own user account on my computer! Will, I noticed that my computer was detecting any viruses! Thats because he put a virus on my virus detector, so it couldnt detect viruses! I downloaded a different virus detector and got his viruses off of my computer right away! Try downloading a different virus protecter and try that!
Try to unplug all the PCI cards and boot, if its still doing it check the ram. If its still doing it check to see if the power supply is good. If all that fails, It could be eather a bad mother board or bad processor.
In answer to your question. It may be a screen problem. as the screen has a Matrix of vertical and horizontal line configuration.
I,d suggest trying the laptop/computer on an external monitor or screen. if it works fine on an external. then it could be assumed that the TFT Panel or invertor has a fault.
if the picture/display still has vertical lines on an external monitor, then the fault may lie, with the Mainboard.
Process of elimination, before spending any Money :)
are you installed the some kind of software before freeze?, i mean, when you use it, you install the another application. if you do, then perhaps that application caused the problem. if not, then the problem is in the hardware driver. freeze problem mostly caused by unstable driver or software. make sure driver or software that you are installed into your operating system is stable or compatible.
HP uses "branded" wireless modules,which means it's got to be HP or it doesn't get to play.
Does device manager see the wireless device? I've had similar situations with the 8000s. Always the driver or the wireless utility was the problem. Try letting windows manage the device, or if you already are, disable that and use the devices utiliy to manage it.
BTW, most systems consider BT as wireless.
Good luck, hope that helps