Question about Compaq Evo D500 PC Desktop
When boots up,fan starts , but no monitor display.the fan is slow to start,red light comes for a few seconds
Posted by Anonymous on
Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
Testing & replacing the PC's power supply
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Test all power and data leads that attach to your hard drive IDE,SATA
the leads from your (motherboard to your hard drive) make sure they have secure dust free connections and are not faulty
if its a 40 pin flat ribbon type it will be the first to fail
make sure all leads that are attached to your drives dvd\cd and floppy have secure connections and are not faulty
even something as small as a faulty electrical fan and its lead can cause you problems
computers need all power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error
Check your RAM.
The RAM is located in the middle of the motherboard.
There are tabs that you can push to release the RAM.
Remove it and put it back in place until the tabs pop out.
Loose RAM can cause your computer not to start properly where you want to see a video signal.
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.
Do not use solvent that may attract dust and never poke things like cotton buds in to slots, lightly rub alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r
Allow the pins to dry.
They will air dry in a matter of minutes.
If reseating the memory did not resolve the issue try swapping the location of the memory. Make sure your graphics card is securely seated with no dust built up or in the socket
if you remove your graphics check the socket to make sure its dust free
Restart your computer then reinstall it this should activate found new hardware wizard
Check the vga lead for secure dust free connection or try another vga lead.
Posted on Apr 15, 2014
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Posted on Jan 02, 2017
SOURCE: picture on monitor comes on
For that when you power up the computer pressF8 key 5 to 6 times then you can see safe mode and other menu.
enter in "Enable vga mode" then go to display property and change screen resolution to 1024*768 .
But if you are not able to see any display then open cpu cabinet and reattach the RAM memory then pull cmos cell from motherboard for 10 minutes.
Reattach PCI card or cga card if any.
Make sure motherboard is not ground with cabinet.
Also reconnect both connection to harddrive.
Let me know if you need further assistance.
Thanks for using FixYa.
Posted on Apr 12, 2010
SOURCE: computer wont boot Evo d510
Choose within this options with regards to your monitor:
1. You could replace your monitor with a new one.
2. Or you could send someone or send it to a technician to repair your monitor.
Boot Up Problem: 1. Try checking the Power Supply Unit (PSU) if it give out 12Voltz. If not you could replace it with new PSU. 2. Check the motherboard if there are some blown out Capacitors. If there is, send it to a technician to replace it. If none, replace your Processor. That is the defective. That causes the boot up problem.
On boot up screen. Of course it will not show a boot up screen because there is a problem on your monitor. And so, there is also a problem on your motherboard (Processor or Capacitor).
Hope this might help. Thanks.
Posted on Jul 12, 2010
SOURCE: press start button, fan trys
If your fan is trying to start up but won't, your system is going to give you a warning and most likely shut down. Make sure you have good connection for fan power and that it is clean and can turn freely. You may want to cosider replacing the fan.
Posted on Apr 09, 2011
It appears you have a faulty CPU fan and it is causing the CPU to overheat and shut down.
I suggest you replace the CPU fan. remove any dust from the heatsink and put new heatsink compound on the CPU/heatsink.
Posted on May 07, 2012
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