The laptop seems to be booting up on powering on, but there is no display. It also seems to be powering on only when the adapter is plugged in. Battery life is also low. It is an AMD Duron64 proccessor. Please advise as early as possible.
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Re: no display on V3000
The LCD requires alot of power so if your battery does not have enough juice in it
the computer just starts up the things that don't use as much power.
I would purchase a new battery and it will rectify what's going on.
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Based on your statement its like the laptop is booting normally but there is no display. Common problem on HP is their poor design on cooling system. In your case I would say the video card has reach its full extent. But you may want to observe this:
If it has a dedicated video it probably have a secondary fan for it, check if its rotating, if not then it caused the video to overheat.
Unless you know how to tore apart your laptop, you will not be able to further check this. Better send it to a service center.
In this case I would recommend you to please connect the external monitor to the laptop and check if you get the display on the external one or not
If yes, it means the LCD has some issues with the LCD cable
If nothing on the external as well, it indicates that the system video card or motherboard has some issue
Have a look at the label on the bottom of the V3000 laptop and check the voltage and amps power rating of the laptop.
If the DV9000 adapter has the same voltage and current rating (amps) or higher amp rating then it is suitable for the V3000 laptop, provided the power plug fits the V3000 power socket.
HP has identified a hardware issue with certain HP Pavilion
dv2000/dv6000/dv9000 and Compaq Presario V3000/V6000 series notebook
PCs, and has also released a new BIOS for these notebook PCs, version
F.39 for dv2000/V3000, and version F.3D for dv6000/dv9000/V6000.
It seems all Compaq laptops are infected by this problem.
If you are sure that the AC port and the AC adapter is working?
Can you hear the laptop trying to boot? ..e.g. Hard Drive spinning up, Floppy Disk Drive noise, etc.. if so ...Try hooking up a external monitor..
Does it smell like anything has burnt? (Call for service)
Is there anything that sounds loose when you shake it? (Call for service or you can to open it?)
Try booting your laptop from a bootable floppy if you have one. Or use Compaq's Recovery CD. But I doubt if you use recovery CD, you might lose data on your HDD. Which O.S. are you using?
The Boot-up mechanism checks all the hardware before starting Windows. Some times floppy drive doesn't allow the laptop to boot further by either not responding or sending wrong signal.