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The computer is in a loop after a power failure. All wires are in the same place but it says NO SIGNAL. How can I returned back? The mouse is not working. The machine is EL 1300G-02W and has installed windows xp- home edition

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If the screen says no signal it is likely that the video card has sustained damage. If this is integrad=ted in the board (as on budget machines) it is time for a new PC

Posted on Jul 12, 2010


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Posted on Jan 02, 2017


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1 Answer

Temp sensor 1 code replaced both sensors and still there? why would this happen

Year/make/model???? A temp sensor code does not necessarily mean a bad sensor. The code usually refers to a problem with the sensor and its data to the computer. It may be also be caused by a power/ground issue or signal return wire to computer issue and in some cases an internal computer failure

Dec 29, 2015 | Cars & Trucks

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No signal,no power on keyboard or mouse

Sounds like a power supply issue - try to replace the power supply.
Many computer shops - MicroCenter, BestBuy.. The power supply is pretty cheap - 15 to 40 dollars US. Search the power supply sticker.
Could also be a short, so make sure you can return the power supply with no penalty for it's return - if that doesn't fix the issue..

Hope this helps you..

If you need further help, I’m available over the phone at

Apr 14, 2014 | HP Compaq Presario Sr5550f Desktop Pc

1 Answer

Video Problem

That seems to be the monitor running a test. It might do that if it isn't receiving a signal from the computer. Make sure the cable is plugged into the tower and the monitor.

The graphics card could be bad, or the motherboard or power supply. Has it ever worked before? What changes were made? Was there lightning in the area or a power failure?

Turn the computer off and unplug it, and the monitor. Wait a few minutes, then plug everything in and restart. Hopefully it isn't a permanent hardware failure.

A test to narrow down the cause would be to use a different monitor or computer to see where the problem lies.

Oct 31, 2013 | HP Omni 100 PC

1 Answer

Have a E-Machine that keep displaying in powersave mode

eMachines are a budget computer.

Designed to save the consumer money.
One of the items used that cost is saved on, is the Power Supply.

Power Supply is generic, and of low quality.
1) Low quality Electrolytic Capacitors
2) Low quality Power MOSFETs
3) Low quality Rectifier Bridge
4) Too small a gauge of wiring is used

Plus most consumers do not keep the inside of the computer clean, and if they do the Power Supply is usually neglected.
The two leading causes of desktop computer failure; the computer is dirty inside, and/or the Power Supply is bad.

With a weak voltage power rail you may see LED's light, and maybe fans spin, but there won't be enough power to turn the Processor on.

[No Processor operating, no computer. No computer = no video signal to the monitor. No Signal, Power Saver Mode, or Sleep Mode is indicated ]

1) If ALL of the LED's were lit up 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.

See if there is an unused working computer that has a KNOWN to be good, Compatible power supply; that you can use for a test unit.

Or use a multimeter to test the three main voltages, coming out of the Power Supply
3.3 Volts (DC) [ Orange wires ]
5 Volts (DC) [ Red wires ]
12 Volts (DC) [ Yellow wires ]
[ALL Black wires are Ground wires ]

For additional questions please post in a Comment.


Oct 16, 2012 | E-Machines Computers & Internet

1 Answer

I have a 2001 ford escape. The cd player won't play cds it won't eject or load them. All it says is cd error

You have a mechanism failure on the changer which is preventing the mode of the function to return to the normal state. Hence the processor is giving out the error signal. First of all open the changer and ceck for mechanism damage. if not slowl try to rotate the load motor to return to the normal state and eject. now check the connections to the motor, the flexible line wiring may be defective. use a loop wire or test the continuity from the motor. if there is a rest switch use it for resetting, if not disconnect poweer nd power again. Some cd'smay be warped or damaged and causing to block the sensitive transport. remove of these cd's and testt again. if there is no motr drive at all then the IC of the motor drive has failed. clean and set back. hope this helps you. Good day

Jun 29, 2010 | 2001 Ford Escape

1 Answer

I have a 6 Zone keypad and the Trouble button is always lit up. And now it beeps every 10 secs. how do i return it to the "Ready" state?

Usually this is caused by a bad sensor. Often these are in remote places like tamper switches in outside sirens and othe devices.

the tamper is detected when the loop to a sensor fails to have the correct resistance when scanned by the system.

Analyze what loop is sending the trouble signal.

Or you can disable each loop until the trouble disappears in most systems to find which has failed.

Also check condition of the back up battery.

Mar 09, 2010 | Home Security

1 Answer

Screen does not turn on but green light is on.

Green light indicates the monitor is getting power. Nothing coming up on the screen indicates, No Signal.

No signal from the computer. This means the computer itself isn't working.

A bad power supply in the computer can cause this. A bad power supply is the leading cause of desktop computer failure. It is replaceable, and can be done by the owner relatively easy.

You may have a computer tower that the Power light comes on, you hear fan/s spinning, (Including the Power Supply fan), and it sounds like the harddrive is running.

ALL the lights in your computer use less than 1 Watt.
EACH fan uses 2 to 3 Watts.
A harddrive sitting there spinning in an endless loop, consumes about 2 to 3 Watts.

A Processor uses 51 to 125 Watts. Depends on what Processor it is.

A weak Power Supply will have enough power for lights, fans, and that harddrive sitting there spinning.
It won't have enough power to turn on the Processor.

[No processor operating, then the harddrive sits there spinning in an endless loop, because there is no processor to find the boot sector]

For a test, connect your monitor to a know good computer. See if it works.
Now connect that other monitor to your computer.

Sep 05, 2009 | Sampo P7011M (Silver) 17 in. Flat Panel...

1 Answer

Gateway gt5676

Sounds like there may be more than one problem, so first let's make sure you shut the computer down completely:

1) Press and HOLD the power button on the computer tower until it goes completely dark. A single press often puts the computer in sleep mode, so holding the key for approximately 5 seconds usually forces a power off. After doing that, If you're still not sure if it powered off, unplug the AC power cord from the back of the computer tower for a few seconds and plug it back in. Now, make sure all other cables (monitor, keyboard, mouse) or wireless USB adapters for keyboard and mouse are securely plugged in where they are supposed to be.
2) Press the power button on the computer tower briefly to turn it back on.
3) Everything may be working now, but if not:
a) Monitor still dark? Make sure the monitor is on and plugged in, also, there is often an input source button on the bezel of the monitor to toggle between input sources (such as VGA, DVI and even HDMI). Press and wait a few seconds for a picture, repeat slowly at least 3 times.
b) Keyboard or mouse still not working? If wireless, make sure they have fresh batteries and that the wireless USB adapter is plugged into a USB port firmly. If wired, make sure the cables are plugged in firmly into the correct places on the back of the computer.

If all that fails, your new computer may be faulty and need to be returned to where you purchased it.

Apr 12, 2017 | Gateway GT5676 Desktop PC

1 Answer

Using my emachine T6542. Went to get a cup of coffee. Took me 15 minutes. When I return, no more signal in my monitor. All I hear are fans of the CPU and power supply. Opened the PC box. No loose...

This could be a power saving issue. The computer may be set to go into power saving. When you come back and find your computer in this state, shake your mouse and see if it brings it back. If it doesn't, then press the power button of the CPU once and it should come on right where you left it.

If none of this helps, then your computer may be having another problem. Let me know


Jun 30, 2008 | Computers & Internet

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