Having problems with your HP Pavilion dv4000 Notebook ?

HP Pavilion dv4 not turning on - HP Pavilion dv4000 Notebook


Answers :

\015\012Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)

If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that

Beep codes P
You must be facing any of these four issues:
1) power issue
2) No POST
3) NO Boot
4) No
video

Power issue - the system does not turn on at all. In this case check the AC adapter and the battery.

No POST - You may have to check the Memory, Hard drive and the optical drive. Can also be an issue with the video card2.gif/ key board/ mouse/main board which can prevent the system from turning on.
try reseating all the components above except the motherboard.

No Boot - Issue with the Operating system. Try booting into safe mode and check whether the system turns on perfectly. If so try to uninstall all the software you do not use. and may also consider a system restore2.gif else consider a Dell Complete factory restore.

No video - Try flashing light on the screen and look for the desktop. If you see the icons then probably the back light needs to be changed else the issue is with the display itself or the video card.

Kindly comment with more details about the problem.
Repair Help & Product Troubleshooting for HP Pavilion dv4000 Notebook

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