Having problems with your HP Pavilion DV5234US Notebook Laptop ?

No display at all

\015 Compaq presario v2000, no display on laptop screen, no display when connected to an external monitor. Function keys do not toggle display machine does not seem to post at all there is no beep audible at any time. Unit was working last night.\015\012\015\012Same problem with my Hp Pavilion Entertainment PC. Black screen, no noise to indicate it's doing something other than the blue on lights. Any ideas...\015

Answers :

from what you have mentioned it seems that, it can either be one of the following situation
1) you see the power light, hp/compaq logo and the windows startup logo but don't see any logon screen or desktop

2) you don't even see the hp/compaq logo at startup but only see the power light

1) this can mean your display dripers may be corrupt,
what you should do is restart the system and keep tapping F8 from the moment you see the compa/hp logo when you see a menu you will be given the option to start in safe mode select safe mode and press enter, see if you are able to see the desktop now if yes
just go to start menu >run> type in without quotes "devmgmt.msc" > ok > in here click on display adapters> right click on the entry below it select uninstall > after uninstall retsart the system , now when the system boots the system will detect your display adapter and try to load the drivers for it. now you have to follow through with the hard ware wizard and install the drivers.

2) in this case when the system is not even completing post that means there is some hard ware that is stopping it from post

take out the battery from the system and now try to start the system using AC adapter, if it doesn't work then take out all the external pheripherals attached to the system only if you are comfortable doing that
take out the Ram, hard disk, optical media drive and plugin cards that you have and then try to start the system on Ac adapter

if it does start, put one thing in at a time like

try starting it with RAM in,
then ram and hard drive in
then other things one at a time

and the time it stops posting agian it means the last thing that you have entered is faulty and was not allowing the system to post same goes for desktop

but you can check this only if you are comfortable doing it if you are not then you should check with compaq hp technical support also if you are under warranty don't do it on your own check with their technical support.

Further Queries are welcome
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