Hi, when I turn on the computer the fan starts and sounds louder. no image in the monitor...the monitor is working but I get no signal from the computer, graphics or windows. just a black. the keyboard does not work either. no lights on the keyboard...any ideas on what's going on?
Big thanks!!!!! - monica
I own a Sony that has done this before. What I did was shut down, unplug, open case and check every connection on all boards. I found several loose ones, then I cleaned it out with a can of air and a clean paint vrush. When I put it back together and powered on the problem was gone. Please let me know if this helps.
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Re: my computer does not sart
Initially I would suspect hardware failure on your PC. The only user action possible would be to open the PC and look over the memory sticks and the video card (if not built-in). Remove them and clean the little gold pin edges. Additionally, it might be of help to clean the slots where they go to with the use of a clean dry paint brush. Soon as everything is cleaned, reinsert the memory and/or video card to their respective slots. Power up your PC. If it runs OK, you're set to go if not, pls determine if you can hear a series of beeping sounds. Pls post back describing the sequence and duration of the beeps.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
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Unless you are familiar with removing and installing the internal components of the computer it is unlikely that you will be able to fix this computer yourself. It sounds like there is a hardware fault. It could be as simple as something overheating or even a fan cable coming loose but at almost 10 years old it's amazing the system is still going. I'm sorry I don't have a simple answer to give you to make your computer just work again.
Hi, sorry to hear you are having problems.
1. Start up your desktop as normal but as soon as it starts keep pressing the 'F8' key.
2. You will have a black background with white writing on and lots of options.
3. Use the up and down arrow keys and select last known good configuration, then press the enter key to select it.
Your computer should start up.
If you have a blank screen, do you hear the fans whirring and see lights on the front?
If so then your computer works but is not sending s signal out to the monitor.
Check all cables to make sure they are securely connected.
If you still have no image. Swap your monitor for a friends one that you know works.
This will test if it is your monitor that has failed. If you see an image on your friends you will need a new monitor or new monitor cable.
If you do not see an image on your friends monitor and your PC has lights and fan whirring then you need to get a new graphics card.
If you have no lights and no fan whirring it is outside the scope of this and we need some more information as it could be
1. Failed power supply
2. Failed memory
3. Blown motherboard
4. Failed processor
Please report back with answers to
1. Do you hear fans whirring?
2. Do you see a power light/led light up? (in example pic it is green)
3. Do you see the HDD (Hard Disk Drive) LED/light flash at all?
If the monitor comes on and displays a message like "no input signal" or something similar, it's working properly but there is nothing coming from the computer. People often think that the computer is working and the monitor is at fault, when in fact the computer isn't starting up.
When you turn on the computer, do you hear the normal sounds of the power supply fan running and the hard drive spinning? Most computers will give a beep when they turn on and the motherboard finishes some startup checks. Do you hear that? Do you ever hear the normal startup sounds that mean Windows is actually running?
If you are convinced the computer is starting and booting into Windows, I would suggest you borrow a known good monitor to use as a test. If it works, that obviously means yours is bad. In most cases there's nothing you can do to repair a monitor yourself beyond checking for loose connections, bent pins in the signal cable plug, or a damaged cable.
If a known good monitor still has no image, the computer is at fault. Either the video card or integrated video isn't working, or the computer isn't actually starting up. In any case, that's where you would need to start looking for the cause.
Hope this helps you along the way to solving the problem. Thanks fo using Fixya!
The high pitch sound is coming from the inverter. It is faulty and needs to be repaired or replaced. The inverter supplies high voltage to the CCFL lamp, this lamp gives the backlight to the LCD so you can see the LCD images.
Check out LCD parts for parts, service and DIY info. use this link :- www.lcdparts.net
sounds like the operating mode is at a frequency or refresh rate that is outside the viewsonic operating specifications when in normal mode. possible solution: in safe mode access control panel, system, devices (hardware) and look for display. do a right click and uninstall. repeat right click and "scan for hardware changes". That might reset the monitor operating modes but it also gives you a chance to reinstall drivers. If this does not work, try other monitor crt/lcd to see what happens.
trumpjd, Usually on startup the fans work a little harder then slow down. On newer computers they still have noticable fan noise. Most of what ou hear while the machine is running after start up is the power supply fan. When it starts to go bad you'll hear it all the time. randy320sgi
It has a fan problem. You need to check if all fans are working properly. Also install open manage server administrator on the server from Dell support website and check for hardware logs if you can see something wrong? You will see the root cause of the problem from open manage server administrator
I would say the motor is bad but to be sure test the voltage to the motor with a multimeter, you can also phisically spin the motor and if that makes it work a little not as fast and blow enough air then you know its the motor this works if you dont have a multimeter.