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Just right after turning on the computer?While working in Windows? Or every time you open a program or application?
If problem happened just right after turning on the computer, we have 2 point of failures: Monitor or the VGA CARD/MOBO Onboard.
To test your monitor. While computer and monitor is ON. Unplug the VGA cord at the back or the monitor and check if you will see a box moving across the screen says monitor self test.
If no display replace monitor.
It monitor self test passed. Connect computer to a different monitor and if problem persist then update the video card driver or the motherboard chipset. If all fails then you have to replace your video card or motherboard.
Make sure that there is no memory card, flash disk or any other external storage disk attached to the machine and try booting again.Adjust the monitor display settings. if this does not solve it, then you have to reinstall the operating system. Boot from an an operating system compact disk.
it is trying to query components and not getting an answer back from something. So it just sits there looking stupid. Try booting into safe mode. If that doesn't work go into BIOS and turn off anything like USB ports or wireless devices if you can. - communication devices. If u get into safe mode, turn off communication devices by removing drivers one at a time.
If there is no provision for that you may need a new motherboard. Probably not a good idea price wise depending on the age of computer.
Try all the normal stuff be sure the monitor is turned on, check the cable in the rear of the computer be sure it is plugged in good. Check the contrast be sure it is not down all the way. Hook it up to another computer or unplug it from the computer it should have a no signal notice showing.
If you have power going to the machine and monitor, as soon as it turns on press del or F1 I think to get you into your bios and check that the system is booting from the correct drive, usually C: if you have access to another computer you can make a boot disk and make your system boot from the cd instead if you chang the settings to boot from D: or whatever your CD drive is :)
what u may have done is wwhen u were installing the new board, gave a static shock to the system...that will cause only the fans to come on and nothing more...this is a bad problem bc u cannot fix it...if u figure out something else is wrong, and it gets fixed, let me know
I had a similar problem with a Dell Computer. It turned out to be a bad memory card. If you have more than one memory card in the machine, take all of them out except for one. If that does not solve the problem, try swapping memory cards.
On the back of the chassis, there are 4 LEDs above the PS2 connections marked ABCD what do they indicate? During the boot process the lights normally flash on and off green, when the boot process is complete, they should all be green GGGG.
If any are Amber then they are indicating a power on self test (POST) failure. AAGG is bad memory for example.