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My proline notebook is not displaying even when plugged in to an external Monitor.

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Hi,

When you plug in an external monitor, try to hit the combination Ctrt + F10 (or F7..depends on what key is designed for it. The key usually has a box picture on it) to make sure that you toggle displays between the laptop and the external monitor.

But if you've already done this but still didnt get any display, you can now go ahead and reinsert the memory module/s (RAM) of your laptop. A faulty or dirty memory module usually causes the unit not to POST (Power on self test). If you have 2 memory modules, try to gently clean the contacts using a pencil eraser and insert them one by one.

However, if this step will not resolve the issue, you need to consult help from an experienced technician. The video card of your computer is surely dead in this case.

Hope this helps.

Posted on May 27, 2011

Testimonial: "Thanx For the Help, this really does help, I will try the solution. Mbeko Soga"

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Monitor does not come on when laptop is switched on


This issue could be due to presence of static charges on the notebook or hardware malfunction of the display screen or defective video card on the notebook. To isolate the exact cause of the issue, perform the following steps.

Step 1: Hard Reset

1. Unplug the AC adapter from the notebook PC and remove from any port replicator or docking station.
2. Remove the battery from the notebook battery compartment.
3. Press and hold down the power button for about 20 seconds.
4. Insert the battery and plug the AC adapter back into the notebook PC.
5. Press the power button to turn the notebook PC back on.

This will discharge the static charges from the notebook. Now check for the issue. If the issue persists, then connect an external monitor to the notebook and check for the issue on it.

Step 2: External Monitor

You can follow the steps below to connect an external monitor to the notebook.

1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

If your notebook is covered under the HP warranty, then I would suggest you to contact HP to get the notebook repaired under warranty from HP.

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My hp dv4-1435dx screen is blank.It was on then it froze and then went blank. I have tried to fix it by removing the battery and replacing it a number of times. It comes on when started and plays the...


This could be due to presence of static charges on the notebook or hardware malfunction of the video card or defective LCD display screen of the notebook. To resolve the issue, perform the following steps.
Step 1: Hard Reset
To perform a hard reset, please follow the steps listed below:

1. Unplug the AC adapter from the notebook PC and remove from any port replicator or docking station.
2. Remove the battery from the notebook battery compartment.
3. Press and hold down the power button for about 20 seconds.
4. Insert the battery and plug the AC adapter back into the notebook PC.
5. Press the power button to turn the notebook PC back on.
This will discharge the static charges from the notebook. Now check if the display works fine or not. Incase, if the issue persists, then the video card or LCD screen must have gone bad, and to isolate the same, please connect an external monitor to the notebook and check for the display on it. You can follow the steps below to connect an external monitor to the notebook.
1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

If your notebook is under HP warranty, then contact HP to get the notebook repaired for free of cost.

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This issue is due to the malfunctioning of the screen or due to any other internal hardware malfunctioning of the notebook.

To further isolate the issue, I request you to connect the external monitor and check.

Once after connecting the external monitor, please tsp Fn+F3 Switch between the display and external monitor in the following order:

Display
External monitor
Display and external monitor

If the external display is fine then the issue either could be due the malfunctioning of the display cable connector between the screen of the notebook and motherboard or due to the malfunctioning of the screen.

As this the hardware issue, Please contact the nearest repair center to get it resolved.

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This could be due to corrupt display drivers on the notebook or the video card is going to die. Try updating the graphics drivers on the notebook and check for the issue.

If the issue still persists, then to isolate the exact cause of the issue, I recommend you to connect an external monitor to the notebook and check for the issue on it. If external monitor works fine, then the issue with LCD display screen of the notebook. In case, if the issue persists on external monitor then it states that the video card of the notebook is going to die.

To connect an external monitor to the PC, follow the steps listed below:

1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

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1 Answer

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Hi, to isolate the issue perform the following.

Step 1: Hard Reset
To perform a hard reset, please follow the steps listed below:

1. Unplug the AC adapter from the notebook PC and remove from any port replicator or docking station.
2. Remove the battery from the notebook battery compartment.
3. Press and hold down the power button for about 20 seconds.
4. Insert the battery and plug the AC adapter back into the notebook PC.
5. Press the power button to turn the notebook PC back on.


Step 2 :External Monitor
1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook.

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1 Answer

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This could be due to hardware malfunction of the video card on the notebook. To isolate this, perform the following steps.
*** Hard Reset ***
To perform a hard reset, please follow the steps listed below:

1. Unplug the AC adapter from the notebook PC and remove from any port replicator or docking station.
2. Remove the battery from the notebook battery compartment.
3. Press and hold down the power button for about 20 seconds.
4. Insert the battery and plug the AC adapter back into the notebook PC.
5. Press the power button to turn the notebook PC back on.
After performing the above step, if the issue persists, then connect an external monitor to the notebook and check if the display comes on external monitor or not.
*** External Monitor ***
1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

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When I turn on My HP Laptop the system start booting and all of the lights on the laptop turned on but the screen doesn't display a thing it is always dark could anybody help me... Thanks in advance...


This could be due to presence of static charges or hardware malfunction of video card or defective LCD display screen of your notebook. To isolate this issue, perform the following:

HARD RESET

To perform a hard reset, please follow the steps listed below:

1. Unplug the AC adapter from the notebook PC and remove from any port replicator or docking station.
2. Remove the battery from the notebook battery compartment.
3. Press and hold down the power button for about 20 seconds.
4. Insert the battery and plug the AC adapter back into the notebook PC.
5. Press the power button to turn the notebook PC back on.


This will discharge the static charges from the notebook. Now check for the issue. If the issue persists then connect an external monitor to the notebook and check if it works fine. You can follow the steps listed below to connect an external monitor to the notebook.

1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

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Remove the battery and then put it back after about 5 mins. Plug it into mains and see if that solves it. Sometimes when laptops "hang" like this-removing the battery solves it.

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1 Answer

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Hi, if it works with an external monitor it's more likely an LCD problem. When you push the power button, noting comes up on the main LCD screen? not even the Acer logo etc.?
Did you set your video card to use an external monitor and disabled the primary LCD? If so, you need to go to display settings, advanced and go to ATI Display and make sure that the notebook monitor is on.

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