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There is a red light glowing on my motherboard

At first the usb didnt respond... all four of them.. then there was no video input at the screen and at last there was a a red light glowing on my motherboard.. What that light means...? May i with the power supply of my pc...?

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Red light always glows on mine.

Posted on May 20, 2009

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Give me sound dirivers of ibm thinkpad R50

Posted on Dec 23, 2008

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Acer laptop switched on light up on switch but no screen display


A blacked-out screen doesn't necessarily indicate a broken monitor. If the computer has run out of charge or is in hibernation or sleep mode,

if the screen is too dark, or if the display cable has come disconnected from the motherboard, the screen may appear black or fail to turn on.

To fix a blacked-out laptop screen, troubleshoot the screen settings, check the LCD connector and see if the computer is awake and receiving power.

Touch the touchpad or move the external mouse to see if the computer is asleep or hibernating. If the computer fails to respond, press "Enter" on the keyboard.

Press the power button if the screen remains black. Confirm that the power indicator light, found at the front of the computer or above the keyboard, is glowing solid green or blue.

Confirm that the power adapter is plugged into the computer and into a wall outlet. Confirm that battery indicator light is glowing solid green or blue.

Hold down the "Fn" key. Press the up-arrow to see if the screen brightness increases. Some computers also use the "F6" or "F7" keys to increase screen brightness.

Hold down the power button for 10 seconds to turn off the laptop. Remove the AC adapter from the computer, close the screen, and then turn the PC over.

Slide the battery latch to eject the battery. Pull the battery out of its compartment.

Turn the computer back over, open the lid, and insert the edge of a flathead screwdriver or other flat, solid object beneath the bezel above the keyboard.

Wedge the edge of the keyboard bezel off of the top cover. Work your way along the edge of the keyboard bezel to loosen it. Pull the bezel off the laptop.

Trace the cable coming from the laptop screen to the connector found beneath the bezel. Reconnect the display cable to the motherboard if the cable has come loose from the connector.
Line up the tabs on the bezel with the slots along the top of the keyboard. Insert the right edge of the bezel into the gap above the keyboard, and then push the bezel back in place.

Turn the computer back on. If the laptop screen is still blacked out, connect an external monitor to the video port on the side of the PC to confirm that the video card isn't defective. If the external monitor works, the LCD screen could be broken.
If the monitor doesn't work, the motherboard or video card might need to be replaced.

hope this helps



A blacked-out screen doesn't necessarily indicate a broken monitor.
If the computer has run out of charge or is in hibernation or sleep mode,


if the screen is too dark, or if the display cable has come disconnected from the motherboard, the screen may appear black or fail to turn on.


To fix a blacked-out laptop screen, troubleshoot the screen settings, check the LCD connector and see if the computer is awake and receiving power.


Touch the touchpad or move the external mouse to see if the computer is asleep or hibernating. If the computer fails to respond, press "Enter" on the keyboard.


Press the power button if the screen remains black.

Confirm that the power indicator light, found at the front of the computer or above the keyboard, is glowing solid green or blue.


Confirm that the power adapter is plugged into the computer and into a wall outlet. Confirm that battery indicator light is glowing solid green or blue.


Hold down the "Fn" key. Press the up-arrow to see if the screen brightness increases.
Some computers also use the "F6" or "F7" keys to increase screen brightness.


Hold down the power button for 10 seconds to turn off the laptop.
Remove the AC adapter from the computer, close the screen, and then turn the PC over.


Slide the battery latch to eject the battery. Pull the battery out of its compartment.


Turn the computer back over, open the lid, and insert the edge of a flathead screwdriver or other flat, solid object beneath the bezel above the keyboard.


Wedge the edge of the keyboard bezel off of the top cover.
Work your way along the edge of the keyboard bezel to loosen it.
Pull the bezel off the laptop.


Trace the cable coming from the laptop screen to the connector found beneath the bezel. Reconnect the display cable to the motherboard if the cable has come loose from the connector.

Line up the tabs on the bezel with the slots along the top of the keyboard. Insert the right edge of the bezel into the gap above the keyboard, and then push the bezel back in place.


Turn the computer back on. If the laptop screen is still blacked out, connect an external monitor to the video port on the side of the PC to confirm that the video card isn't defective.

If the external monitor works, the LCD screen could be broken.

If the monitor doesn't work, the motherboard or video card might need to be replaced.


Hope this helps





Nov 24, 2012 | MSI P45 Neo3-FR (MS-7514-010) Motherboard

1 Answer

Screen lights up and then goes black


sounds like a coil break down under heat. It is a common fault. You will need to get it fixed at your local dealer or a repair shop.

Nov 24, 2012 | LG Agf37000701 Main Board For 26lg30-ua

2 Answers

My acer aspire 4530 have a problem in screen. as i swithct it on, nothing appear in the screen as in all blank. but all lights in my keyboard are on,, only the screen... Is it a problem in hardware? if...


Hi,
This is because of backlight problem. Check you didnt accidently turn off the backlight. Usually pressing the Fn button and F6 at the same time is the backlight on/off togle on acers.
Please try holding the Fn button and pressing the left/right arrow keys raises/lowers the backlight brightness.
If this helpful, please give a testimonial and vote by pressing button four thumbs up icon.
Sincerely Thiyaga

Aug 28, 2011 | Acer Motherboards

1 Answer

I have a intel D945GCNL MB Its sound driver are loaded and ikon is show in the start up bar. but there are no sound.and also usb not working.usb light not glow when inputed usb pen drive or others.


if your computer came with a motherboard disc the sound drivers could be on it
click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question mark? Right click to reinstall drivers or uninstall
click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the
(((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settings there
also
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it
click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar
if his does not fix the problem

click start control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check
the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good
try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer

click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?

right click to reinstall drivers

if you can see your usb drive but its not working

ports(com&lpt)right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts

click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x

right click to reinstall drivers
hope this helps

Jun 21, 2011 | Intel D945GCNL Motherboard

1 Answer

I want to connect my computer to my Vizio TV to watch movies via netflix on my TV screen. If HDMI on TV end, what connection do I need to connect to the back of computer?


What "video-inputs" does your TV have:

* composite video (single cable for video, two cables for LEFT/RIGHT audio)
* component video (RED/GREEN/BLUE cables for video, plus RED/WHITE cables for stereo audio)
* DVI or VGA input
* HDMI input
* S-Video (similar to PS/2 keyboard/mouse, in size, and "round" shape)

What outputs does your computer's video-card have:

* composite (post-and-ring)
* S-Video
* DVI
* VGA
* HDMI

Just match them up.

Feb 24, 2011 | Motherboards

1 Answer

The USB FLASH INPUT IS NOT RESPONDING


Try enabling the usb port on the CMOS. You can find it along with the lan and sound.

May 20, 2010 | MSI G33M-FI Core 2 Quad/ Intel G33/...

1 Answer

PS/2 to USB adapter Issue


go to Control panel, click on your mouse icon and set the settings for your mouse

Jan 22, 2009 | Foxconn 6100K8MA-RS Motherboard

2 Answers

Red light flashes and system not responding


Erratic power supply, at least hope its just that and not a burnt CPU thats keeping it from posting.

Sep 28, 2008 | Intel PENTIUM-4 865GV CHIP MOTHER BOARD...

2 Answers

Asus a7V8X- X stucks in the main screen of ASUS that's all


Does it come up with any warning messages in POST? if not try removing all unnecessary components, eg all cards except for video, use only one stick of ram in the last DIMM slot and all usb cables from the back except for keyboard and mouse(if usb). Boot it up then if it goes right through switch off and add a component then try again, use this process until it stops responding, then repost what caused it to stop. Otherwise if removing all those components didn't make it respond properly try updating your bios, on your motherboard it has the Asus EZ flash utility so you can do this straight from the bios screen, all the instructions and software you need can be found here

http://support.asus.com/download/download.aspx?SLanguage=en-us

instruction links on the left, downloads on the right just make the appropriate selections from the drop-down menus.

hope this helps.

Oct 31, 2007 | ASUS A7V8X Motherboard

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