HP 4530s Probook No Display Problem

[EdOr]

I have a HP Probook 4530s less than a year old running Win 7 x64. It does not display anything but when I hook it up to an LCD screen, there's output. What could be the problem with the laptop display and is this a recurring issue for HP probooks.

Regards

[Danjen]

Please define output. Do you simply mean a green light or do you see normal video? If you see normal video on the external screen, then your screen has a connection, power inverter, pinched cable, or circuit board problem in it. Things to look for are faded text or images on the screen if you shine a light from the side or top. If you see that the picture is there but just very dim, then it is probably the power inverter.  If you see nothing, then it is probably the screen and maybe the connections/cable.  If the external screen is also black and just the green light, then you probably have a video chip problem and it will need to be reflowed, reballed or replaced.

[EdOr]

Normal, using the LCD as a projector. Laptop starts up normally, displays the desktop but only on the external LCD screen and not on its own screen.

[Danjen]

Then you know where to look. I assume you tried the fn and screen icon to switch between screens from your keyboard. So the problem is now from the cable from the computer up through the screen. Did you see any image with the flashlight or carefully looking at it in the dark? Did anything happen to make you think you may have damaged your screen? Does the screen move freely or do you think you may have pinched the wires to the screen?

[EdOr]

I tried switiching back but without success. The laptop was in standby mode, when I powered it on again thats the way it behaved. Its never been dropped, but when u switchback its like it wants to display but no image is forthcoming. It has this darkish greyish feel similar to the side colors of this forum site.

[Danjen]

My best guess without actually having the machine to take apart is that you power inverter needs to be replaced. Power inverters are not expensive (usually under $100) and can be replaced if you are reasonably handy.  Do a search for replacing power inverters on google or any search engine and see how do dissemble your screen and how to replace the inverter. It may be a better idea to take it in and have a computer shop do it for you. They can also confirm what the problem is.

[EdOr]

Should still be under warranty, will take in where I bought it. Thanx mate, much appreciated

[cakeboss81]

I have this same problem, i almost scrapped it but i just kept it on the shelf for the longest time. I ran all diagnostics and at first the battery was saying it was bad but not it's saying its okay. Anyway you mentioned a video chip replacement, where do i find one and can i replace it myself?

[dbk3110]

I have the Hp Probook 4530s.

Similar display issue with laptop screen showing a few lines and and little dim colour display but nothing very visible.

the display on external screen is perfect and no issues at all.

I am from india and this laptop was bought from outside india so getting to buy the power invertor locally is diificult or even from the auhtorised HP service center please help what should be done.

I think as u mentioned it is either the display cable or power invertor problem.

How shall i confirm which one of them it is ?

Thanks in advance.

[Cycleprairie]

As my Probook 4530s was downloading updates the monitor appeared to go dead.  Upon further examination I can see that there is a very dim message shown on the monitor. I have the laptop plugged in throughout this.  I can not see what is on the monitor so cannot respond to messages.  How can I correct the situation?