Question about HP Pavilion dv2715nr Notebook

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My display works for a few mins then goes out, but displays fine on a external monitor

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  • winsto_n Dec 29, 2009

    I dont think thats the problem... the screen is intermittent... sometimes it works for hrs and its not the connection or conductor because i have moved the screen back and fwd without any effect.

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  • 194 Answers

Depending on how handy you are... my friend ordered a replacement LCD screen for laptop and self-installed. Check ebay or other on-line sources for part.

Posted on Dec 12, 2009

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Blank screen,pwr sup appears to ok, fans runs, pwr light on


The issue seems to be due to defective video card on the notebook. Connect and external monitor to the PC and check if it works fine or not. You can follow the steps listed below to connect an 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.

If your PC is under warranty, contact HP to get available options to get the notebook repaired under warranty.

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These models have known video card problems, so first thing connect an external monitor before booting - boot and see if the image on the external monitor stays on, if it's fine on the external monitor then the LCD panel might be defective, otherwise if you see blurred / distorted image on the external display it's the VGA card. which means you should contact warranty (if you still have) because the mainboard needs servicing / replacement.

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Test your laptop with an external monitor and find out if the external video goes bad too. If both, internal and external images go bad, you have a problem with the video card.
If external works fine and only internal goes bad, most likely it’s either bad video cable or LCD screen failure.

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This sounds more like a hardware issue. Now you say that the external display output is working fine. It could possibly be a problem with the lcd display itself shorting out. If there was a problem with the video hardware then I do not think you would be able to get the external display working either. The whinning noise could be coming from the lcd inverter.

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Monitor does not display picture. If i turn off and turn back on it displays screen for only 2-3 seconds then goes black?


Plase update Display/graphics driver.
If you have a external monitor try plugging into notebook, if the external monitor works fine, you can replace the display.

>Check in safemode>If its stays for long time, it could be an issue with Virus.
>Check in BIOS as well
>If the external monitor is also acting in a same way, you may have replace the system board

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