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Re: i boot my cpu but the monitor doesnt show anything
Hi again. The beep codes you describe are memory issues or failure, take the system memory out, clean the contacts and the slots with a clean, soft, dry paintbrush. Re-seat the memory firmly and try boot the PC again. please post back with the results
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1) Is this a laptop or a desktop?
2) What OS are you running?
3) When was the last time that it booted successfully? Did anything change then? Did you upgrade the OS? Did you upgrade the software (firmware) on the processor (Intel or AMD)?
4) Do you see anything on the screen? Compaq logo? Boot options?
try to boot in safe mode by pressing F8 when you turn on the computer
use the up/down arrow key to highlight safemode and press enter
press enter to select your OS then wait until it loads.
during boot up if it still shows the little squares try a known good monitor if it has the little square the video card is busted and needs to be replaced however if ever the known good monitor doesnt have the little square then its the monitor that needs to be replaced.
hope this help
Make sure that your computer unit is working. Sometimes we suspect that it is a monitor problem but usually, it is a frozen CPU set.
When you turn on the monitor, it should light the blue led and after a while, when it does not receive signal from the CPU, it will turn orange. If that is the case, the monitor is functioning well.
So what could be the problem?
Make sure that you hooked the monitor to the right VGA port. If you have an internal VGA port (built in with the motherboard) and you also have an external Video Card, you should hook it to the external VGA port and not the internal one since it is overridden by default.
Do you hear the "short beep" sound when you boot your PC? That signals a good video system. If you don't hear that beep sound (provided your PC's speakers are okay), you should open your CPU case and try to remove your memory modules (RAM). Clean the pins with an eraser and put it on.
Now, your computer should work fine and so with your monitor.
do you see the light blinking in the monitor? I mean the POWER led light up? If so, then the monitor is ok and is working good. It is your CPU which has a problem and not sending digital signal for the monitor to display.
Try to turn off your computer. After 3 minutes turn it back on. then notice if you will hear a short beep from the CPU. That signals a successful video initialization. If you went through that process, then your computer will get back to life.
However, if you dont hear a short beep from the CPU, then definitely your CPU is frozen therefore there is nothing to display to the monitor.
You need to open the CPU case, pull out memory modules then plug them back in. Then try booting.
If not successful, try to open case and pull out the processor. Put it back in after 30 seconds. Try booting again.
Do ALL THESE while your PC is UNPLUGGED.
Try booting into safe mode. That will disable all drivers and use generic windows drivers to send commands to the devices. If that still doesnt work, id say that there is a problem with your OS installation. Backup your files using an external harddrive enclosure and reinstall the OS.
Let's start troubleshooting. First your monitor has the power thats for sure. Tka your monitor and hook it up to another computer, just to see if the monitor is gonna work. If it doesn't it could be your monitor. If it does then it could be your video card. Don't forget to try a new cable as well, it might be it, too.
If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.
see there is power in monitor and check also that your monitor is getting signal from cpu just remove the data vga data cable from cpu and see is it showing any massage on screen like check signal or any other massage. and check your keybord also by pressing num lock key see the light is on and aoff when you pressing the num lock button . if nothing is happen that mean your monitor is not getting signal from cpu and it is not monitor problem .