Question about Acer Aspire E380-UD420A (ASE380-UD420A) PC Desktop

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Power is on all fans going but that is all no beeps screen says no signal on Monitor I can not do anything as it's a blank screen.

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Its a faulty video card, or a faulty motherboard if the video card is integrated.

Posted on Aug 06, 2010

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Blank screen, no signal to monitor, no HD light, no mouse light, no keyboard lights, no beep.


maybe it could be a frayed/broken wire leading to the visual/sound parts. if not then bring it to tech support and have them look at it

Dec 20, 2013 | Computers & Internet

1 Answer

HP Pavilion a 1245c won't boot black screen no beeps constant running fan


sound to me like a video problem. no beep codes, you hear the fan going so it must be posting. could you try with other monitor and or cable? is there power to monitor? reseat cable at both ends( monitor+ pc)

Nov 02, 2012 | HP Pavilion a1720n PC Desktop

1 Answer

I have an hp pavillion a6500f that soon as it is turned on has a constant alarm and is not sending a signal to the monitor. Screen says no signal and then remains black.


If you mean a constant beeping, open the case and see if the CPU fan is running, check also that the heatsink is firmly attached to the board, this noise usually points to a n overheating CPU, if you get no activity on screen,it is because there is no signal being sent to the monitor. Do not operate the computer until you have checked the fan is working, you need to establish if there is power getting to the fan by testing with a multimeter on the motherboard cpu fan pins. If you are getting power, replace the fan, worthwhile removing and regreasing the CPU and making sure it is firmly in place.

If there still is no signal, replace CPU, but also try a different graphics card (faulty video will give 9 beeps).

After that, check the ram is firmly in place.

Jul 28, 2011 | HP Computers & Internet

2 Answers

Blank display, machine seems to boot ok but display is blank.


If you hear your computer beep once then your system has no problem. If it does'nt show a display, try to check the power of your monitor, if it has power. Check the power cords and also the vga connection.

Nov 10, 2009 | HP Pavilion dv9000 Motherboard

2 Answers

Whenever i start my pc fan's start's even monitor start's imediately but 'no signle' massage appears on screen & monitor screen got off


Do you get any "Beep" sound coming from the internal speaker, if so is it just one straight beep or numerous beeps.

If it's one straight beep then this indicates the PC has passed it's POST (Power On Self Test), if it's a series of beeps, some long, some short, it means there is some problem inside the computer, like loose graphics card, RAM, CPU, cable, etc. The beep sequence should be in your motherboard manual under beep codes. That will give you a hint as to what to look for next.

If it is one straight beep and PC passes POST then check your monitor connections, and monitor, it could be that the power saving/signal detection pin is either not connected properly, or damaged.

If you don't have the internal speaker connected (normally in the bottom or front of the case), you need to connect this to find out what is going on.

If you need to connect it you should look at your motherboard manual for where to connect it, normally if you look at the motherboard you will see a load of thin cables coming from the front of the case going onto the motherboard at a point, the 4 pins on the bank of pins at the end are normally the PC speaker (you also get a blank pin between them and the Power Switch pin), although check your manual first, or see if you can see the SPK connection on the motherboard (normally Gigabyte boards are very well marked for this, and colour coded.)

Oct 31, 2009 | Computers & Internet

1 Answer

No signal on monitor


Do you have another monitor to test your computer? Looks like a surge went into the computer display and damaged the video card.

Sep 07, 2009 | XFX GeForce FX 5500 Graphic Card

1 Answer

My pc still won't boot up


The beeps are beep codes. Were they short or long? Also do you know who makes your BIOS?

Jul 26, 2007 | EliteGroup P4VMM2 Motherboard

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