Last monday, turned on the computer the light came and the fan. The moniter also made the usual noise that is was going to light up, but no picture nothing. Also the mouse's red light did not come on. I switched moniters and still nothing. What should i do.
(I'd like to stress that this is mostly speculative. Please don't read this as gospel or a guaranteed fix; it's just an idea or two.)
True, it may be the video adapter. But there are a number of different things that can cause a computer to not display anything during its boot, even though you can tell it's booting. The best thing to try first is (and only if you're comfortable digging in a computer) unplug all the peripherals in the machine (e.g. HDD, CD, etc.) and RAM and (if it's an add-on card) the video card and turn on the computer. Obviously, it won't boot properly, but as you slowly add components back in (one at a time) you might find the culprit. Basically, a problem like this can be traced back to either a short/static build-up in some component or a failing/dead video adapter. If you're getting absolutely no display (which your description indicates) it's definitely a hardware issue of some sort.
Of course, it really helps to have a P.O.S.T. card handy to determine exactly what's going on and most computer shops you take a machine to will have one. Often, local shops will diagnose a problem for free or a nominal fee.
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When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?
When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.
Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.
Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.
Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.
The monitor is going into power-save mode because it's not receiving a video signal from your computer. Are you turning on the computer at the monitor or on the tower? If you're turning the tower on are you hearing any noise (i.e. fans running, beeps, drives spinning, etc.)? Does the power light on the tower come on and stay on? If not you may have a bad power supply or other hardware issue.
It sounds as if your on-board graphics has stopped working. If you have a graphics card to try installing it. That may solve your problem. If not you will have to contact Dell about a motherboard replacement. the last time I looked at a Dell XPS system you can't install a retail motherboard in it.
If your computer turns on and your monitor stays in stand by mode, then there is no communication between your video card and the monitor. You could check if the cable is plugged in correctly or even faulty.
It is also possible that there is a problem with your video card. Maybe physically uninstalling and reinstalling it could solve it.
If none of this helps, then you might want to check a new video card.
1.Clean the RAM twice.
2.If No display then Check with another RAM
3.If it also fails disconnect all the drives and clean the processor slots.then check again.
4. If it also fails may be problem with SMPS or Mother Board
If you have an expansion slot filled with a video card, remove the video card (provided you have onboard video connector as well) then try to reboot. I just went through similar issues with an GForce video card, it went bad, but the machine appeared to boot althugh I couldn't see the screen. Removed the card & it came up using minimal VGA drivers provide with WinXP.
Obviously you cannot check the video driver if you're not booting up...and seeing the screen.
Find a buddy with a regular monitor and hook it up and try to boot. Dell monitors sometimes require their propietary drivers, so write down the model when you take your pc to a friend's place, and DL the driver and install it (provided you got it to boot up)
The video card may have went out.The screen itself rarely goes out.its either videocard,video inverter or a loose video cable.The D8P has a tendency to overheat when the cooling fan is either not working or is blocked or dirty.Try unplugging the video cable with it powered off,then plug it back in.Maybe you will get lucky and it will work.If not i would say the videocard is damaged.
usually loud fan noise in computers means that the fan you have got is too fast for you computer or too slow for your computer. go back to the place you got your fan from and ask them to check its compatibility with your computer.
otherwise try cleaning the fan or removing it and making the screws a little bit looser. might jusdt be rubbing