Question about Acer AOpen AX 6B Plus (91.87810.321) Motherboard

1 Answer

No signal input

Hi, i have a acer desktop computer bought from currys, one of the cheaper ones with integrated graphics, over the past couple of weeks it as, on a couple of occasions when turned on, stayed on the acer screen on my moniter.... before loading windows. it has got to the point now where the acer logo will not dissapear from the moniter, and consiquently windows will not load. the computer it self sounds fine when i switch it on, no beeps, smoke etc, i have tried using the f12 button, well all of the buttons but nothing happens. It got to the point yesterday where i almost stripped my other pc down trying different components ie, hard drive , ram chips, graphics card, but nothing happened still stayed on the acer screen, i have also tried unplugging everything form the motherboard except the fans to see if it would show an error but still just the acer screen came on with a messaege no signal input before the acer logo stayed on. please can you help me, many thanks paul

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  • 3 more comments 
  • drummerpaul May 31, 2008

    hi, thankyou for your time and help! the coolant seems to be very minimal ( the grey paste at the back of the fan on the back of the processor) does this mean that the processor is possibly fried. shall i apply more paste? thankyou

  • drummerpaul May 31, 2008

    thankyou, I will try and source some coolant first then! many thanks

  • drummerpaul Jun 01, 2008

    HI, I have tried more coolant but it didnt seem to work, i have also tried resetting the c,mos by removing the jumper and reinserting, still just have the same acer screen.

  • drummerpaul Jun 01, 2008

    thankyou for getting back to me! today i tried removing the jumper (c,mos)from terninal 1 and 2 and installed on two and three then back on one and two while switched off, still nothing, i also tried installing the backup disk, the disk drive was working fine, but still nothing, i removed the ram chip and then switched on the pc, the pc started beeping once every 3 or 4 seconds, is this normal with no ram chip installed? thanks

  • drummerpaul Jun 02, 2008

    HI, THANKS! is it possible that it could be that windows are corrupt?

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Check the coolant between the CPU and the cooler to ensure it's not simply over heated.

Posted on May 31, 2008

  • 3 more comments 
  • Steven Burn
    Steven Burn May 31, 2008

    I'd recommend cleaning whats there with a paper towel to get rid of it, then replacing it with fresh coolant.

    It's possible that the CPU is fried, but I wouldn't say with any certainty until the coolant has been replaced and the fans etc, checked.

  • Steven Burn
    Steven Burn May 31, 2008

    No problem.

    You can pick up the coolant at most PC stores for a couple of quid.

  • Steven Burn
    Steven Burn Jun 01, 2008

    In that case, and unfortunately, it's only been narrowed down to one of two things;

    1. A faulty motherboard
    2. A faulty drive/RAM

    To check the drives, disconnect the power and IDE cables from the CD drive(s), and try booting. Then further, try unplugging the hard drive (with the CD drives plugged back in).

    If the problem persists after checking the drives, remove the RAM chip (if you've got more than one, only remove one chip at a time to rule out a faulty RAM module).

  • Steven Burn
    Steven Burn Jun 01, 2008

    Thats normal with no RAM chip, yes. Short of a secondary RAM chip and assuming all drives have been ruled out, I'm 95% certain the problem is with your board and would subsequently recommend replacing it.

  • Steven Burn
    Steven Burn Jun 02, 2008

    It's very unlikely (specifically because you mentioned it's not getting further than the initial Acer loading screen). However, computers will be computers, so nothing is ever definitive (if you'd like to try a repair or re-install of Windows to rule that out, the more the better (tis always best to be thorough ;o) )).

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Asrock alivenf6g vsta


try a differant monitor if not working then its the board get a new one.

Oct 09, 2013 | Motherboards

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No video after computer took fall.


http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=de&docname=c00906129#N305

Alright!
Glad to know who I am 'talking' to, and don't have to backtrack with technology.


But do to me nature, I probably will a little

There are so many things that could have gone wrong, that you may as well start with a diagnostic flowchart.

But let me ask a few simple things first;

1) Have you been FOLLOWING Anti-Static Precautions?
I would surmise that a PS/3 and X-Box repair would detail using Anti-Static Precautions, but do YOU follow them?

If not use the motherboard for a Frisbee, and the CPU (Processor) for a key fob.
(Ram Memory for Christmas tree decorations, lol!)

2) Did you try removing, and reinstalling the Ram Memory?
No mention of BIOS Code Beeps, so I assume you have.

Ram Memory modules ('Stick') get knocked loose easily.
Visual inspection alone will NOT do.

Best, and proven method is to remove all Ram Memory modules, and reinstall them. This way you are ASSURED that the Ram Memory modules are seated correctly, and tightly.

No BIOS Beep Codes period? Hmmm.

3) All cables are installed, and tightly?

4) Was the computer on when it hit the floor?
Ummm, not good my man.
The Read/Write heads on the Actuator Arms are spaced VERY close to the Platters, inside the harddrive.

Ummm, about .00003, or less.
That is 3 Hundred Thousandths.
An average human hair is .003 thick.
3 Thousandths

http://computer.howstuffworks.com/hard-disk.htm

OK, moving on.................

No graphics:
The first thing to check is to see if the monitor cable, and monitor, are any good.
Test on a working computer, or use monitor cable, and monitor from working computer.

I believe we can pass this one, lol!

Next is to see if the graphics is good.
With a desktop computer that is using Integrated Graphics, such as the one you are working on; a graphics card is installed.

(You indicated the blue VGA port. Means to me he was plugging his monitor into it. That VGA port is Integrated Graphics. Comes from the motherboard, and not a separate graphics adapter card)

IF a graphics (adapter) card was being used, I would say replace it with a known to be good, compatible graphics card, for a test.

So lets regress for a moment;

A) You think there is a problem with the blue VGA port.
This is Integrated Graphics.
Bottom of the totem pole as far as graphics is concerned.

My advice is to have him purchase an inexpensive graphics card, and use it.
It's a win/win situation.

One you will be bypassing the motherboard graphics.
Integrated Graphics, and in this case the blue VGA port.
This way you can see if the VGA port was the problem.

Two, he upgrades the video quality of his computer, and puts a smile on his face.

What economical/inexpensive graphics card?
How about an ATI Radeon HD5400?
Not too expensive, and pretty fair graphics quality.
At least beats the heck out of Integrated Graphics,

http://www.amazon.com/Radeon-HD5450-PCIe-1GB-DDR3/dp/B00B6MRJ78/ref=sr_1_55?s=electronics&ie=UTF8&qid=1360361215&sr=1-55&keywords=radeon+hd+5450

http://www.ebay.com/itm/Sapphire-ATI-Radeon-HD5450-HD-5450-1GB-PCI-E-Video-Card-100292DDR3L-Low-Profile-/170723012387?pt=PCC_Video_TV_Cards&hash=item27bfe26f23

Now no board level repair may be needed.

Just food for thought.

Reply in a Comment.

Regards,
joecoolvette

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1 Answer

Monitor display


No Signal

No video signal

(Monitors may also do this, and state Power Saver Mode, or Sleep Mode; instead of No Signal)

1) Check the monitor cable. Has to be ruled out before going on.
Either use it on another known to be working computer, and monitor; or use another known working monitor, and cable on your computer.

Monitor cable checks out go on

2) From here the logical assumption would be to check graphics.
If the graphics are coming from the motherboard, Integrated Graphics; then use a graphics card.
If the graphics is from a graphics card, use a known to be working one, for a test.

[ The I/O area is on the back of the computer. I/O stands for Input/Output. It refers to the Input and Output devices that are connected to the computer; in the rear area.

Mouse, Keyboard, Monitor, audio cables, etc.

If the monitor is connected in the I/O area, the computer is using Integrated Graphics. In the past we used to refer it as OnBoard Graphics.
ON the motherBOARD.

If it is a graphics card being used, it will be in one of the horizontal expansion slots, on the back of the computer ]

However I would like you to jump past that.
Check instead;

1) Is the computer dirty inside? If the Processor overheats it turns off.
(BIOS turns it off) This is a fail safe feature built-in. Keeps the Processor from burning up. (Literally)

Clean the inside of the computer out with a can, or two of compressed air for computers. Use Q-tips, and/or small soft brush (Makeup brush?), to dislodge the heavy 'Gunk', so the air can remove it easier.

2) Ram Memory:
Remove all ram memory modules. ('Stick') Clean the gold plated contact pins with a pencil eraser.
If you are using an eraser on the end of a pencil, and not a solid eraser; refrain from letting the metal band of the pencil, touch the gold plated contact pins.

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

Handle the ram memory module by the BODY.
The Body is everywhere on the ram memory module, EXCEPT the gold plated contact pins.
The Body is coated with a see-through protective plastic.

Rub up, and down, and across; on EACH contact pin, BOTH sides.
Use air to remove the eraser dust. You can use a can of compressed air for computers, if available; or air pressure from your mouth will be sufficient.

Reinstall.

3) Power Supply:

There are two main issues for desktop computer failure;
A) The computer is dirty inside
B) Power Supply failure

Ram Memory contact pins cleaning is an add-on; but necessary.

With a Power Supply having a weak voltage power rail, you could see LED's light, and fans spin; but NOT have enough power to turn the Processor on.

1) If ALL of the LED's (Light Emitting Diode) were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

That is why you can see LED's light, and fans spin, but no signal.

Use a KNOWN to be good, Compatible power supply; for a test unit.

Or;

Use a multimeter to test the 3 main voltages;
3.3 Volts, 5 Volts, and 12 Volts. All are DC Voltage. (DCV)
[In comparison two D cell flashlight batteries produce 3 Volts DC ]

For additional questions please post in a Comment.
Regards,
joecoolvette

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I have dell vostro 1510 with nividia graphic card which die can I replacemant the motherboard with intle integrate card?


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e_skal87.jpg

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What are the parts of mother board and its function?


Hello,

Here is a picture link from Wikipedia that has an excellent breakdown:

http://en.wikipedia.org/wiki/File:Acer_E360_Socket_939_motherboard_by_Foxconn.svg


Thanks for using Fixya.

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Acer aspire 5535 powers up but no screen display have had the screen tested that is ok , have hade the mother board tested and they said the fault is aparentley with the graphics card but if i slacken the...


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If the previous video drivers were not removed properly—and this generally requires running a “cleaner” utility in addition to uninstalling the drivers—the computer may be unstable with the new drivers installed. Also, some OSes (operating systems), such as Windows XP, automatically try to find and install graphics drivers following the obligatory reboot after a user uninstalls the old video drivers. Games may also close and drop the user back to the Desktop, and the system may spontaneously reboot.


Problems may also occur if the user installed drivers for the wrong graphics chipset, although manufacturers such as Nvidia and ATI provide all-in-one drivers to cover many graphics chipsets in one package.


Visit the Web site of the manufacturer of the graphics chip on your card or motherboard, such as Nvidia, ATI, Intel, or others. In the graphics driver download section, look for an uninstaller or cleaner utility. An example is ATI’s Catalyst Uninstaller, which is typically offered on the same pages as specific driver downloads. Download the uninstaller/cleaner utility and run it, following its instructions. Reboot and then install the latest graphics drivers for your specific card or motherboard.


A free, third-party alternative is Driver Cleaner. This has generally been safe to run as of this writing. Be sure to read all notes and follow all directions as you use Driver Cleaner to remove old driver remnants. Use the software to get rid of any drivers supplied by Windows, too, as these are often the ones WinXP automatically installs at startup before you can install the new drivers from the graphics chipset manufacturer. You probably won’t need Windows’ drivers again, as they’re usually older and slower and don’t have the latest tweaks and fixes.


Make sure you’ve properly identified your graphics chipset. First, check it in Device Manager (right-click My Computer and click Properties, the Hardware tab, Device Manager, and Display Adapters). Corroborate this by opening your computer’s case and checking the brand name and model number of your graphics card (the monitor’s cable connects to it) or the brand and model of your motherboard if the video/graphics chipset is built into it. Look up the model number on the manufacturer’s Web site, and it should tell you which graphics chipset you have.


Note that you can install ATI’s or Nvidia’s drivers on any card using their chipsets (no matter whose brand is on the card). On the other hand, if you have integrated graphics, you need to get drivers from the motherboard’s manufacturer.


If you have recently changed from integrated graphics to an add-in video card, make sure that you have moved the monitor cable to the new device and disabled the motherboard’s onboard graphics in the BIOS (Basic Input/Output System). To do so, click the indicated button to enter Setup during the boot process, usually the DELETE button. Then, look for an option that will let you disable the BIOS’ onboard or integrated video.

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