Question about HP Pavilion a620n (PC028A) PC Desktop

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Computer turns on but i have no image on monitor

Monitor is blank coul it be my video card?

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  • jerry_zavala Feb 02, 2009

    yes monitor workd\s

  • Brian May 11, 2010

    are you able to check the monitor on another pc? video card failure is a very real possibility.

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  • Master
  • 596 Answers

If your monitor is working, try taking all add-on cards out of your system to see if your monitor comes on. (Sound cards, modem, Network cards, etc.) If after doing this you still get no picture, very strong possibility your video card (on-board) is bad.

Posted on Feb 02, 2009

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1 Answer

What does a video card do?


The video card sends video data to the monitor. If the monitor does not display any images then the video card could be faulty.
It could also mean the monitor is faulty.
To check whether the video card or monitor is faulty, connect another monitor to your computer, if this monitor also does not displays any image then the video card is faulty.

Apr 29, 2012 | Acer Veriton M661 PC Desktop

1 Answer

My Sony Vaio PCV J100 turns on but no nothing comes on the screen/monitor. I have checked the monitor but it works fine on other computers. What could be the problem?


If your monitor works fine on another computer then most possibly its your video card since you said nothing comes on. Usually if its the operating system you should see the computer info before it goes to a blank screen. If you have an add on video card try using the integrated video card or vise versa. You can also use a known good video card from another computer.

Jul 18, 2011 | Sony VAIO PCV-J100 PC Desktop

1 Answer

The monitor suddenly went blank and displayed "no


no signal coming out from the video card input to your monitor. better check if the vga cable is properly fix on the video card and the monitor. you may need also to disconnect the video card from the motherboard and reseat it properly.

just make sure computer is turn off when you do this.

let me know if i can help you further.

Feb 01, 2011 | HP Pavilion a1210n (ED895AA) PC Desktop

1 Answer

I have an hp pavilion dv5. When I power it on the computer starts up but the monitor doesn't come on. And then it does this series of beeps. Beep beep beep. It does that series 5 times


Before you begin
Check the following items before using the steps in this document:
•If you have a flat panel LCD monitor, unplug the monitor power cable, wait about 30 seconds, reconnect the cable and then turn on the monitor. This resets the electronics on the monitor.
•Make sure the monitor has power - the light on the monitor is on. If the light on the monitor is off, the monitor does not have power. Connect it to a different power outlet.
•If the monitor has a detachable video cable, obtain a second monitor cable for testing purposes in case the cable is bad.
•Disconnect all connected devices except the mouse, keyboard and monitor. This includes thumb drives and camera-type memory cards from card reader slots.
With the devices disconnected, restart the computer. If the computer starts and the monitor now displays a picture, a device is preventing the computer from starting. Update the BIOS to resolve this issue.
Step 1: Connect the computer to another monitor
Connect another monitor to the computer to determine which device has the problem (the monitor or the computer). This step is very important to help you determine if the problem is coming from the computer or the monitor. If necessary, temporarily connect the computer to a friends monitor for troubleshooting purposes.
After the monitor is connected, turn on the computer and the monitor. What happens?
•If the newly attached monitor does not display anything , disconnect the cable and continue at Step 2: Is the video connection damaged?
•If the newly attached monitor displays the first startup screen(s) but then goes black, there is a problem with Windows starting. Skip to step 5 .
•If the new monitor works , the original monitor or its cables are faulty. Do the following:
1.Replace the monitor power cable.
1.Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
1.Replace the video cable.
Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
1.If the monitor does not work after replacing the cables, replace or service the monitor.
Step 2: Is the video connection damaged?
Inspect the video cable and video connectors for damage. Check for sharp bends or breaks in the cable and bent or broken pins at the connectors. With the monitor and computer off, try to straighten bent pins with a small metal tube, like the tip of an empty mechanical pencil or the tip of a retracted pen.
Figure 1: Video connector
If you had to straighten any pins, reconnect the monitor making sure that the video cable is firmly connected and then turn on the computer and monitor. If the display is still blank, continue to the next step.
Step 3: Resetting and updating the BIOS
You can use these steps even though you will not be able to see anything on the monitor.
In case an item was changed in the BIOS, such as the primary display device setting, use the following steps to reset the BIOS back to its default configuration:
1.Turn on the computer and repeatedly press one of the following keyboard keys. Press the key about once every second for 5 seconds after turning the computer on.
◦For HP and Compaq computers that came with Windows 7 and Vista, press F10 .
◦For HP and Compaq computers that came with Windows XP, press F1 .
◦For Compaq Presario desktop computers built prior to 2002, press F10 .
1.Wait another 5 seconds.
1.Press the F5 key. This restores the default settings of the BIOS.
1.Press the Enter key. This accepts the changes.
1.Press the F10 key. This saves the changes.
1.Press the Enter key. This saves the changes and exits from the BIOS.
1.The monitor should display the first screens received from the computer (the logo screens). If not, find and download the latest BIOS update if one is available for your computer.
1.If a BIOS update was not available or the monitor is still blank, continue to the next step.

Jun 11, 2010 | Computers & Internet

2 Answers

Just switched the pc on but monitor wont come on,green lights on but the screen is blank


Take a flash light and angle it at the screen. If you can see the image in the backround you need a new inverter board.

Nov 05, 2009 | Computers & Internet

2 Answers

My HP a6500f is acting up. An image will display during start up and then goes blank. Power light is on for the monitor, but nothing but a blank screen. The monitor works. How can I fix this problem?


what else happens i think i can help you what type of monitor lcd or fat bulk if lcd turn it off for twenty four hours of more other wise get new vidoe card

Oct 04, 2009 | HP KQ495AA Pavilion A6500F Desktop PC

1 Answer

Screen is blank; can not see image with computer on


STEP: Toggle the Video Mode with the <Fn> and <F8> Keys
Additional Information
Press the <Fn> and <F8> keys to toggle the display mode between the video modes (LCD Only, Monitor Only, and Both).
STEP: Determine if an external monitor is being used.
Additional Information
Determine if an external monitor is connected to the docking station.
STEP: Determine if the video problem occurs outside of the docking station.
Additional Information
View the LCD panel on the system to determine if the same video issue occurs while the system is outside of the docking station.
STEP: Remove Any Docking Stations or Port Replicators From the Computer
STEP: Unplug All Accessories From the Laptop Computer
Additional Information
Unplug any accessories from the laptop computer, such as PCMCIA cards, external mice, external keyboards, external serial or parallel port devices, external monitors, external USB peripherals and port replicators.

Apr 23, 2009 | Computers & Internet

1 Answer

Monitor went blank


Let's try to isolate the problem:

-If possible try both monitors on a different computer.

-does the computer makes any sound when you turn it on?... do you get any image at all when you turn it on?

Jun 28, 2008 | Gateway 310S (2900621) PC Desktop

1 Answer

No video display


If the video card is built into the motherboard then try starting in safe mode and reinstalling the drivers from scratch. Download the latest drivers from the dell website. Safe mode will reduce the resolution and use a generic VGA driver. If your video card is plugged into a PCI slot try unplugging the video card and using a different slot and going through the same process. If you are still not getting any output to your monitor and you are positive the monitor is fine then you may need a new video card. To be sure, if the video card isn't embedded to the mother board, you could take it out and try it in a different computer. Hope that helps.

May 23, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Blank moitor


can you chk anything abt the lights on the monitor ? ie.. the small ones near the power switch .. is it green / orange ..

Also do u hear any beeps when you power on your computer ? I vaguely remember that in case you hear three beeps, it could be a video card issue.

- Ranjit

Nov 08, 2007 | Dell Dimension 4600 PC Desktop

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