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I hate to inform you but the graphics chip in these laptops are known for doing this. HP is aware of that. Every time some one brings me a Hp Dv6000 laptop about 75% of the problem is the system board or overheating issues.
First try cleaning the laptop screen with laptop screen cleaner
if its still blurry connect a external monitor to your laptop to see if the display is blurry on the external monitor (to get to toggle the video from your laptop you will have to press the Fn key + F4)
If its still blurry then its the graphics card or chip needs to be replaced. They are all integrated with the system board / mother board.
If its clear and images are good then the laptop screen will need to be replaced. hope that helps.
If the laptop boots up all the way and you don't see an image on the lcd
screen or on the external monitor then the video card inside the
computer is bad.
a flashlight on the dark screen to see if you barely see the icons on the
desktop. If so, then the LCD Inverter is bad.
Plug in an external monitor and see if the display shows up on it. It can be
any kind of monitor even the old big fat crt monitors as long as it has a vga
cable to connect to your computer's vga port. If the video shows on the
external monitor that proves your video card is ok, ,but your lcd screen is
bad. The video will show on most systems when you reboot without you having to
do anything. Some systems will require you to hit the FN (Function key) + F1
thru F12. Hold down the FN key then hit the correct key for displaying on
the monitor (F1 thru F12). The correct key will normally have CRT/LCD on
it or it will have the icon of a display.
If you see no icons by shinning a flash light and the external monitor works,
then your screen is bad. If you see no icons by shinning the flash light
and nothing shows on the external monitor, then most likely your video card is
What you are experiencing with your laptop is "POST" (Power-on self test) issue. Here are some steps which you can try.
- Remove the battery and ac adapter (as well as external peripherals attached), press the power button for atleast 15 seconds, try to power on your computer again.
- If you have external monitor, hook it up. Display on the external monitor would mean that you have a LCD issue (check LCD cable, LCD inverter and LCD backlight in this case). No display on the external monitor would mean that you need to replace the video card (if dedicated) or replace the whole system board (if integrated).
- Try to reseat or replace the memory module as well, it might help.
If you don't get a display on the external monitor, then most likely your video circuit is the problem. If your laptop has a plug-in video card it can be replaced. However if it's integrated into the motherboard then you'll have to have that replaced.
connect an external monitor and check how is the display,if the display is fine on external monitor,then it would be your LCD OR VIDEO CONNECTION OR CABLE NEED TO CHECK . If you are getting the garbled picture on the external monitor also it could be
SHARED MEMORY AT FAULT( If the laptop uses shared video memory (part of the main memory is used
for the video purposes), it's possible that you have a faulty RAM
VIDEO CARD (if the video card is discrete replace take out that and
check the video with integrated video card and if the video card is
integrated then you have to replace the mother board)
Attach an external monitor. Does the external come on? May have to use the FN key + F8 to toggle it between the LCD and the attached monitor.
When you say that the laptop LCD glows a little bit, this makes me think the back light of the LCD has gone bad. If it displays fine on the external, then it is a pretty good chance the LCD back light has failed. If you can attach an external monitor and see something on it, run the built hardware test. This is done from a powered down state. Then press the FN key + Power, this places it into the diagnostic. Follow the on screen instructions. If it comes back with an error code, write this down and compare it to this list at Dell website. http://support.dell.com/support/topics/global.aspx/support/dsn/document?c=us&l=en&s=gen&docid=14B3819735D6B40EE0401E0A55177ED2
Occasionally, reseating the LCD video cable to the mother board will have a positive effect. Here is a link to the online service manual that explains how to reset it. In the diagram it is labeled #5 It is located under the keyboard.
It will either be your motherboard or LCD. The first thing you want to do it hookup an external monitor to your laptop and then power it on. If you get normal video on your external monitor then it is an issue with your LCD that can either be the cable that connects the LCD to the mother board or the LCD itself.
If you get no video at all on the laptop or the 2nd monitor then it is a problem with your motherboard and you will need to have that replaced. Be sure to test for video on the 2nd monitor with the laptop closed and then opened. Also, make sure you press the function keys on the keyboard to switch displays. It would be no fun to think the mother board was bad when it was really the LCD and you just forgot to enable the external port :)
who makes the mother board and what bios is it using? can u access the bios at boot up? if so, is the integrated video option on? have you checked for upgrades / updates for the bios ? if you can access the bios, remove all non integrated devices from the mother board, select the option for "default settings" save and exit. then restart. after assuring the keyboard is plugged in the correct port. it should be color coded.