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Tower on computer desktop is working the monitors light is on but scrren is black nothing showing

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Did you add a driver or anything before this happen? Sounds like bios was flashed with wrong driver.
God Bless Greg

Posted on Nov 22, 2008

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When i turn On my PC this thing shows in the monitor. <300 XT BIOS P/N 113-A33437-102


Open the case, loosen the 2 screws holding the black plastic casingon the cooling tower over the CPU. Carefully remove, or tilt back to reveal cooling tower radiator and coil.
If there is a layer of dust built up (like there was on mine); carefully vacuum clean the radiator, cooling tower unit, fan and all other surrounding areas. Clean any residue from tower-to-CPU contact area.
Vacuum entire PC inside and out. Remove, reseat, vacuum video card. Reseat storage drive cables reseat the memory sticks, close it up and plug it back in start computer.

Jun 05, 2014 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Gateway a computer desktop has power but nothing on screen the computer doesn't have a tower


1) Computer doesn't have a tower? Means it is a 'pancake style' of desktop computer. A flat model.

2) No signal on monitor screen?
Good.
At least we know the monitor is good.

Problem is monitor cable, IF separate cable; or computer.

Computer isn't sending a video signal.
No Signal, Power Saver Mode, etc.

If an older CRT type monitor, (Looks like a small TV), and monitor cable is not detachable; use a known to be working monitor, and monitor cable.

If a separate monitor cable, use a monitor cable from a working computer, for a temporary test unit.
Put it back when deemed monitor cable is the problem.

Logic at this point, would deem something is wrong with the graphics chipset.
Whether mounted directly to motherboard, (Integrated), or a separate graphics adapter card. (Graphics/Video Card)

However, computer could be dirty inside, or have a bad Power Supply.

LED's (lights) light up? Maybe fans spin?
Means nothing.

1) If ALL of the Light Emitting Diodes 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 130 Watts of power.
Just depends on what Processor it is.

Older desktop computer?
Ummm, 35 to 40 Watts.

That is why LED's can light, and maybe fans spin, but no computer.
NOT enough power to turn the Processor on.

Computer needs to be CLEAN on the inside. Inside of Power Supply too, as well as possible.

Proper method to do this procedure, post back in Comment if you need guidance.

Also remove ALL Ram Memory modules, and clean gold plated contact pins on bottom; with pencil eraser.
Reinstall. Make SURE they are seated in tight, and Lock 'ears' are locked in place.

Post in a Comment, as to the model number.
Example, DX4300-05. Should be on back of computer.

Regards,
joecoolvette

Mar 22, 2013 | Gateway Computers & Internet

1 Answer

Power blue light flashing when i turn the computer on


It depends on where the blue light is. Is the blue light on the monitor or on the computer tower? If it is on the monitor the monitor is having problems and needs to be serviced. If it is on the tower it could be an issue with the power supply.

Jan 17, 2013 | Gateway DX4720-03 PC Desktop

1 Answer

Text does not come through all the way


It wouldn't by chance be going to sleep or hibernating to save power would it? If so check your Power Option in the Control Panel.

If the desktop is going black after it boots up all the way then try another monitor because it could be your monitor or the video card inside the computer.

Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor displays without the problem you are having then the video card inside the computer is good, but your original monitor is bad. If the Borrowed monitor display fades away to black like your original monitor then your video card inside the computer is bad.

Jun 08, 2012 | E-Machines eMachines Desktop PC

1 Answer

Desktop: Gateway LX6810-01 PC will not power on. When I hit the Power button on the tower, a long continuous BEEP comes on and nothing appears on the monitor. After the BEEP, the On light (on tower)...


Thank you for using FixYa

I would try shutting down the computer in the normal way, and turning off the monitor.
Boot up and turn the monitor back on.
If it still doesn't work, then I would check the cables and power plugs and wall plugs.
Check the mouse and keyboard cable and any other cables plugged into the computer.
The next step requires a seperate monitor or laptop.
Try unplugging the monitor and pluging in another monitor. Most laptops have a common
VGA adaptor jack or even an Svideo jack.
If the other monitor does not work, Then take to a qualified technician for repair.
It could be your power supply in the computer or video controller.

I hope this was useful and please comment if this was helpful to you.

Mar 24, 2011 | Computers & Internet

1 Answer

Describe your dell dimension E521 wont boot and Problem my computer turns on but doesn't open it goes to a black screen with little flashing bar in top left corner nothing new was installed but there...


The 123 lights on tower translates as:

Routine system activity subsequent to video initialization.
Watch your monitor for on-screen messages.

Disconnect the video cable from the computer and see if you get floating color bars on display. If not, your monitor is defective.

Jan 10, 2011 | Dell Dimension E521 PC Desktop

1 Answer

System appears to come up, but the monitor is like it is not receiving a signal from the computer. Monitor works, tried on another system. have tried two different monitors on computer, same thing. also I...


see if one of the little wires inside the wire end from the monitor that goes into the tower is bent or messed up. If one of those are missing, the whole monitor is messed up. Also look on the back of the tower for the |O| picture. It should be blue.

Mar 20, 2010 | Acer Aspire M1641-U1521A PC Desktop

1 Answer

The green light turned red and now it green light


Dear,
Just disconnect the monitor data cable from PC and see, any cable discunnection message comes in Monotor. If that comes in monitor, there is no issue with it

Oct 13, 2009 | HP Compaq dx2000 Microtower PC Desktop

1 Answer

Black Screen


Look in the back of the Gateway where you currently have the video cable connected. If there are two connectors, (Side by Side) there than disconnect & re-connect to the other. Your display should come up. Don't be fooled. Most Pc's that have no display on their monitor is not a monitor problem but a computer problem.

Feb 08, 2008 | Sony VAIO VGC-V617G PC Desktop

2 Answers

Desktop monitor


Hi

Disconnect the monitor from the tower and then turn on the monitor.
If u get a msg like no input signal or check video cable then the monitor is fine. If this is the case, it could be a problem with the tower or the cable.

Dec 31, 2007 | Compaq Presario 5BW284 (202493-003) PC...

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