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Am using compaq presario cq50 the device display doesnt show anything but other than than display screen everything is working.. properly...

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Your laptop is probably working with an external display.
Try to change the setting, by pressing the function key (usually on the bottom left of your keyboard) and the Fx key with a monitor (I don't know exactly which key it is but usually is F4 / F5 or F6).

Posted on Nov 28, 2008

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My compaq laptop powers up but the monitor stays black i tried to plug it in a monitor and nothing.


Unfortunately..your display may be shot...Is it a Compaq Presario? These laptops have a history of display problems...I have a Compaq Presario R3000 and the display is showing a reddish color in the left bottom corner of the screen and my brother had a similar problem with a Compaq laptop where the monitor stopped working....Unfortunately it would cost more to replace the monitor than to buy an Apple MacBook...
You can buy a cable and attach the laptop to a desktop monitor and it will work although you will lose the mobility of the laptop which is what makes a laptop so appealing.
If your laptop has a NVidia graphics card you can go to display in control panel and set it up to use Plug & Play Monitor but you may need to use safe mode or you wont be able to see anything because your screen doesn't work....You might get lucky and when you plug in the cable (just like you would to attach a PC tower to a monitor), it will work and you will be able to make the monitor the dominant screen.

Oct 29, 2010 | Computers & Internet

1 Answer

My PC won't start? every time i start it the fan just spins fast and loud and nothing happens, the screen doesn't show. this happened when i took the PC apart. it a Compaq presario sr1610nx


Initially test the monitor in another pc, if display available use the monitor in Compaq presario sr1610nx. Load to BIOS by restarting and tapping F1, if the display available, the computer is ok. restart and tap F8, if the advanced boot option screen comes up, the software is ok.
Restart the computer and tap F10 and proceed with a destructive recovery to reload the operating system on the computer

May 07, 2010 | Compaq Presario 5000 PC Desktop

1 Answer

I have a Compaq Presario 5420 computer and bought


You'll have to update your drivers for your video card by going to the Mfg. website and seeing if they have any later drivers than you're currently using. In my case, the 1440x900 monitor was recognized when I downloaded later updates, though upon initial installation it wasn't recognized. My card is an ATI from about 6 years ago.

First, we'll try setting the correct screen resolution. Go to an area of your desktop that has nothing on it and right-click with your mouse. Select the "settings" tab. See if your monitor is described properly in the drop-down box. If not, you may have to install drivers for it to get the proper resolution. Take a look at the slider and see if you can slide it to the proper native resolution for your monitor.

You can always try uninstalling the current driver. Go to control panel | system, click on the hardware tab, then click on the device manager button, expand "Display adapters" then delete your default display device. The best then then is to reboot Windows and let it find your display adapter. Possible that it will boot into the proper resolution, but if not, follow the above directions again, but this time don't delete the driver, instead right-click and select, "update driver." Let's see if that works for you.

Nov 28, 2009 | Compaq Presario 5000 PC Desktop

2 Answers

My Compaq keyboard won't display ''print screen'' when I press that key (prt scr). Everything else works fine on the keyboard. I purchased the computer/keyboard about 7 years ago. Thanks very much for any...


The print screen button doesn't usually do/display anything other then pasting the image on the screen to the clipboard. go into another application like word or paint and select ctrl+v to paste (or right click then select paste) If you hold Ctrl then press print screen, it will only copy the open window.

Apr 26, 2009 | Compaq Presario 5000 PC Desktop

2 Answers

Everything on my compaq presario cq50-215nr laptop got really big after i accidentally hit a couple of buttons on the keyboard and i dont know what i hit. how do i make them go back to normal size


Choose Screen Resolution For higher legibility of documents on screen, you can adjust the screen resolution of your monitor (for monitors that support more than one screen resolution option). The higher the number of pixels, the more information you can display on your screen and the smaller items appear. Lower screen resolution makes items appear larger and can benefit people with vision impairments. This procedure tells you how to adjust screen resolution through Display Properties in Control Panel.
Mouse actions Keyboard actions 1 On the Start menu:
  • Select Control Panel
Display the Start menu by pressing CTRL+ESC (or the Windows logo key winkey.gif).
  • Select Control Panel by pressing C.
2 In Control Panel:
  • Be sure you are in Classic View (all Control Panel icons are showing).
  • If not, under Control Panel in the left pane, select Switch to Classic View.
  • Select Display.
In Control Panel:
  • Be sure you are in Classic View (all Control Panel icons are showing).
  • If not, under Control Panel in the left pane, select Switch to Classic View by pressing TAB.
  • Press ENTER.
  • Press the RIGHT ARROW key, and then the LEFT ARROW key to select Display.
  • Press ENTER.
3 In the Display Properties dialog box:
  • Select the Settings tab.
In the Display Properties dialog box:
  • Move to the Settings tab by pressing CTRL+TAB.
4 On the Settings tab, under Screen Resolution:
  • Select a screen resolution value by moving the slider arrow.
  • Select OK.
On the Settings tab:
  • Move to the Screen resolution slider by pressing ALT+S.
  • Choose a screen resolution value by pressing the RIGHT ARROW or LEFT ARROW key.
  • Press ENTER.
5 To close Control Panel:
  • Select the Close button.
To close Control Panel:
  • Press ALT+F, C.

screenresolution.jpg Control Panel: Display: Settings tab: Screen resolution

Jan 02, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

New laptop Compaq Presario cq50-139wm com ports stopped working. Also very slow machine.


Vista = slow email me at dragon_sun252@yahoo.com and I can help you get vista off it and what antivius/firewall are you using

Dec 07, 2008 | Compaq Computers & Internet

1 Answer

My Compaq Presario Will not even show curser after start up


reboot and keep pressing F5 go to safe mode if u can see the screen , u need a video driver ,or try reformatting and re installing windows,

Nov 12, 2008 | Compaq Presario 5000 PC Desktop

1 Answer

BIG BOOT PROBLEM!!!!


You should have erased the system root directory,( the Windows XP installed drive). the boot sector still has the winxp boot information, but does not finds any file on the drive, were they are supposed to be.

You have to Install a fresh copy of winxp, with the winxp boot cd.

Jan 09, 2008 | Compaq Presario 5000 PC Desktop

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