Monitor Black After Start Up

How do I connect my laptop to an external monitor - Page 2 ...

h30434.www3.hp.com > Laptop & Notebook > Video/Touch

May 6, 2013 - 10 posts
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1. OS corrupted
2. Try an external monitor
3. Reset PRAM and NVRAM

Try attaching an external monitor to the notebook & see if you will get display on it or not. If this works, then you most probably have a defective or loose LCD screen cable, that need to either be replaced or properly connected.

Try restarting, if still not picture, then try hitting function key + F5 at the same time. Some laptops have a little icon the key that looks like a monitor as well.

If not try hooking up your laptop to a regular computer monitor and see if you can get a picture and fix the problem that way.

First of all, try a restart with the monitor attached.
Secondly try going to the system preferences panel- It should be in the dock - the icon with the apple and the light switch.
Try to "detect displays" and see if it comes up in the menu and if the screen responds..

Let me know what you find out.

This happens, and unless your startup disk is locked up and needs some swap space, it's just a matter of a screen whose time has come.

change display settings to 75hz

Given the environment and issue, sometimes a solid way to process of eliminate, is to add a display to the laptop. Laptop videocards are embedded/integrated in the motherboard/logic board. So, your Mac has not been specified. This provides for many variables. I'll keep this simple but thorough.


First, monitors. Unless you have a great hook up from the next level, you will most likely have a:

• VGA monitor. if the monitor has the cable attached to it, and not via connectors, but actually runs into the back of the monitor, odds are it's VGA.
• DVI monitor. Most DVI monitors do have atleast a VGA input.
  

DVI is digital and far more robust, but the cables and connectors might not outweight what you gain from it if you're not using it to, watch movies, edit video and or edit high resolution photo. If you already own a DVI monitor, then I feel the cable ( if 3-6 ft) and the "possible adapter"
($20) is well worth enjoying what you've paid for.

The "possible adapter" is a white (made by Apple for Apple) proprietary adapter that is required to connect any Macintosh laptop that IS NOT of the ALUMINUM POWERBOOK or MAC BOOK or MACBOOK PRO series, to a monitor. All recent Macintosh laptops ship with 1 form or another of a video adapter.

• Mini VGA to VGA
• Mini DVI to DVI

If you need to cross over VGA to DVI and DVI to VGA adapters are available, but you will then have to make note of the gender of the connecting port or cable end.



So, if you own:

• A white G3/G4 IBook, the video output connection is MINI VGA.
• Older Titanium Powerbooks, pre 667Mhz have a standard VGA on the rear.
• 667Mhz-1Ghz Titanium Powerbook, all Aluminum Powerbooks, and ALL Macbook Pros have an on-board DVI female ports. In the rear for TIbooks and Rear right side on Aluminumbooks and MBPs.
• All Macbooks utilize mini DVI.

SO, ON WITH THE QUESTION PLEASE!!

Connect a display to your laptop. If you get a picture, than more than likely, any component from the cable that runs from the motherboard, up into the display panel, to the inside of the display, is faulty.

If you do not get a picture, than its highly possible the video card or GPU has failed.

If you could specify your model, I can further assist you.

Do you have another power adapter to try? Sometimes those go bad, and are pretty cheap to test out (around $35-$50). Otherwise it is the DC-in board on your PowerBook. I replace about 2 of those per month with our clients up here on the PowerBooks (and iBooks). The DC-in board on your 15" is also part of your sound board.

Thinking about this one I really think the video had nothing to do with the black screen. I would try to things one is reset the power management. Not know exactly what Powerbook you have I will give the most common way. Remove the Battery and the power cord from the powerbook, wait a few minutes then hold the power button for about 40 seconds. Then put the battery and power cord back in and restart it. The second thing to do is boot from the install disk that came with it and run the disk utility. I have also seen bad RAM do this but you would get at least a chime on startup.