ACER T690 boots up, fan starts, but no monitor display. The fan is slow to start, red light comes on for a few seconds, but nothing shows up on my monitor anymore. I removed the RAM memory sticks and replaced. Even when I hit F8 and enter to go into VGA display nothing happens, either. The monitor connection is tight as well. Help please!!!
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Re: no monitor display
Listen for beeps they are codes for wat is working or not on a boot. Go online with of course a different computer to find the defined code, The number of beeps and the durration of pauses between the beeps tells a story.
Sometime with power off, reseat the CPU of if the video card is not on board and occupies a slot reseat that too.
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It is possible that your computer is overheating and is shutting down to prevent it from doing any harm to itself.
Make sure that all fans are clean, there must be no dust present as it hinders airflow!!!
Install as many fans as possible. Computer temps should be in the region of 30-40 degrees centigrade. To avoid CPU throttling, where the CPU slows down to prevent frying itself.
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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
have u tried booting the computer with just the power supply hooked up and your battery out? iv'e had the same exact lab top and the battery went bad and the computer wouldnt do anything at all like your talking about. Even if i had the power supply hooked up and the battery. Remove the battery, and try booting it up.
It sounds more like the computer isn't starting up. The "no signal" message is coming from the monitor itself to tell you it's on but there's nothing coming in to display. Normally no special drivers are required for the monitor, and you'd see at least the computer maker's splash screen and BIOS messages if the computer was starting up properly.
You'll need to determine what is keeping the computer from starting up. Make sure it's getting AC power and that the power light comes on when you press the front panel power button. You may need a power supply. If the computer comes on but doesn't boot you may have memory problems or trouble with the motherboard. But your monitor is working properly.
If the noise is constant then it means the problem is either:
1: a Power supply issue 2: a motherboard issue 3: a keyboard problem
the latter of the three being the easiest to fix, try booting with your keyboard unplugged or even better if you have another keyboard try using it to see if that corrects the problem.
If the above does not work then you have a problem with 1 or 2, and in order to find out for certain you will need to test it, you can goto your local computer diagnostic store to see if they can check which it is.
boot to safe-mode. (f8 pressed prior to windows starts) choose "safe mode" in this advanced boot menu. If the screen displays in this mode, it's a driver issue. If it fails, it's the screen or the vid card. Swap screens (CRT preferred) if it works vid card is good, screen is bad. If it fails you must use a known good vid card to isolate the point of failure
FOR LONG BEEPS, ONE SHORT BEEP IN AN ENDLESS LOOP, BLUE SCREEN OF DEATH AT STARTUP
Try using Memtest 86+ http://www.memtest86.com/ to diagnose your memory problem.
You can also try the following methods.
Turn off power, Unplug. Remove the cover of your PC.
Remove the memory from the Motherboard. Note on the locks!
Clean the memory contacts with an eraser yes that's right a rubber Pencil eraser.
It should be shiny gold.
Reseat your memory to the motherboard and Test!
If you are having trouble with Newly bought items save your self from headaches by returning them and
demand a replacement or a refund! You may have purchased a reconditioned\repaired\factory defect product.