Question about E-Machines eMachines Desktop PC

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No display T5082/T5026 computer power up fans, lights, harddrive....BUT NO DISPLAY.... unplugged devices, power supply, power plugs, fans, cards, ram from motherboard, except heat sink and prosseeor......, reset cmos pin..... reconnected everything still no DISPLAY... tried some video cards.... still no DISPLAY.....

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  • ahkp Jul 02, 2008

    I will try swaping memory... The monitor is good work with another computer.... Video cable good because monitor works with annother computer... I tryed multiple video (pci) in slots, still no display...

  • ahkp Jul 03, 2008

    no beep codes

  • Jeff124 Jul 06, 2008

    I have the exact same problem. I haven't tried a video card yet because I don't want to waste the money if it turns out to be the CPU or Motherboard; I'll just scrap it and buy a laptop.

  • ahkp Jul 07, 2008

    After replacing old memory with new memory the problem was resolved..... Thanks everyone for your support......

  • Cnythia Miller May 11, 2010

    ahkp,


     Any beep codes? With speaker connected?

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Try swaping your memory with a known good stick of ram.
Are you sure your monitor is good? Video cables?
Try changing (if pci) slots when installing video card.
Other than these 3 things the only pretty sure thing is; sorry, mother board or cpu.

Posted on Jul 01, 2008

  • Theresa  Smith
    Theresa Smith Jul 05, 2008

    Have you tried booting up with the operating system cd?

    Try turning on pc holding down either "Delete" or F2" which ever your bios uses to get to the setup screen. If that works you may have hope.

    Let me know and good luck.

  • Theresa  Smith
    Theresa Smith Jul 06, 2008

    Did some research, it's possible that your power supply is not functioning properly or not powerful enough for all your devices. Unplug all power connections even from the mother board. Plug power connectors on mother board first and hard drive. With any luck you may just need a more powerful mother board.

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Red hard drive light and fan continuously running


Let's diagnose from your statements;

A) No display on monitor

B) Harddrive activity LED is on

C) Fan keeps running. Assume your reference is to the computer case fan. IMHO if it was a reference to the Processor fan, you would have stated so.

D) Power Supply changed. Assumption is that it is KNOWN to be good......

A1) Following a diagnostic flowchart, you would rule out the possibilities of a problem, one by one, and step by step.

No display on the monitor can mean a lot of things, however with the additional information we can narrow it down further....

B1) The Harddrive activity LED is on. The way you made the statement, makes me think you are referring to it is CONSTANTLY on.

Reason?
Harddrive is in an endless loop. BIOS is trying to find the Boot record on the Harddrive.
However for some reason it isn't finding it.

C1) Fan keeps running....
This leads me more to believe the reference is now, to the Processor Fan.
Processor fan running at high speed.

D1) When someone states they 'Changed' the Power Supply, instead of Replaced the Power Supply, this leads me to believe the reference is to another Power Supply that was laying around, and not a new Power Supply.

Therefore makes me want to ask;
"How do you know the Power Supply is indeed good?
All 3 main voltage power rails are good?
3.3 Volt, 5 Volt, and 12 Volt? (DC)"

A Power Supply with a weak voltage power rail, will show the symptoms you are seeing.
Why?

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 51 to 130 Watts of power.
Just depends on what Processor it is.

No Processor running, no 'Brain'
No 'Brain' running, no computer.

You press the Power On button. This plastic assembly then presses against a Power On switch, located inside it.

The Soft Power On circuit is activated. This 'excites' the Power Supply, and turns it on.
The first chipset to receive power is the BIOS chipset.
The Basic Input/Output System program is initialized.

BIOS looks to see what devices are connected, does a Ram Memory count, TURNS THE PROCESSOR ON, and hands the computer over to the Operating System.
(In this case the O/S is some version of Windows)

Processor is NOT turning on. No 'brain' operating to find the Boot record on the Harddrive.
Harddrive spins in an endless loop.

Power Supply is KNOWN to be good? Came out of a working computer?
Power Supply is a new one?
Still doesn't mean it is good. Test the 3 main voltage power rails, with a multimeter.

Assuming the Power Supply IS indeed good......

Clean out the inside of the computer.
Replace the Thermal Paste on the Processor (CPU)
Make SURE you are following Anti-Static Procedures.
[The CPU (Processor) is the MOST susceptible hardware component to Static shock ]

However, after replacing the Thermal Paste, do not plug the Power Supply into power.

Press the Power On button in, and hold in for a count of 10 seconds.
Let go.
Do this procedure 2 more times.
What you are doing is clearing CMOS Error Codes, and resetting BIOS Setup back to the factory default settings.
The former matters, not the latter. Just telling you the 'whole story'.

NOW plug the Power Supply into power. WAIT 1 minute, turn the computer on.

Post back in a Comment with the results. Or click on Reply at end of solution, and post results.

Need guidance in replacing the Thermal Paste on the Processor (CPU)?
Post the computer manufacturer name, and model number.
The Model Number can be found on the Back of the computer, or up on the side of the computer tower.

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3071621&CatId=503

http://www.hardwaresecrets.com/article/274

Regards,
joecoolvette

May 14, 2013 | Computers & Internet

1 Answer

When I turn on my packard bell ixtreme 6052 nothing appears yet it does see computer but does not even go to bios and harddrive read light remains on and harddrive is constantly ticking like it's...


This could be lots of things (bad HD, bad Mother board, bad RAM,etc...) first you need to narrow down the possible cause, open the computer, take out every thing that can be unplugged (I MEAN EVERYTHING) RAM, PCI cards, VIDEO cards, all storages HD, CD ROM, etc... just leave the CPU and power supply plugged in, than power up the computer and listen for BEEP's if you hear a series of BEEP's this means the CPU, power supply and mother board are GOOD, than (with power OFF each time) re-install the components you taken out (ONE at a time) to see which device causes the system crash... I've seen a modem card causing a system mall function once rediculous but true...

Good luck!

Feb 20, 2011 | Packard Bell Computers & Internet

1 Answer

The power supply light is flashing and my computer won't start up. No fan, nothing. I disconnected the power to the mother board and the light burned solid when plugged in. I have switched the watts...


Bad Power Supply.
Weak voltage power rail, or rails.
{There are three voltage power rails.
1) The 3.3 Volt power rail
2) The 5 Volt power rail
3) The 12 Volt power rail}

The flashing Green LED light is one direct indication of this for HP computers.
Usually there is at least enough power to light LED lights, and spin fans, but your Power Supply doesn't even have that much power.

1) All of the LED lights on at once use less than 1 Watt of power
2) EACH fan uses 2 to 3 Watts of power
3) A typical Processor can use 51 to 125 Watts of power.
Depends on what Processor it is.

The HP Pavilion A847C desktop computer has an ATX power supply, with a maximum rated wattage of 250 Watts.

The ATX form factor for a Power Supply refers to it's case size, for one.
5-1/2 inches Long, 3-1/2 inches Tall, and 6 inches Wide
The common type of Power Supply used in over 80 percent of PC computers out there, and readily available all over.


HP Support > Pavilion a847c desktop computer > Main support page,

http://h10025.www1.hp.com/ewfrf/wc/product?product=448706&lc=en&cc=us&dlc=en&submit.y=7&submit.x=5&lang=en&cc=us

Click on Product information in the list
Now click on Product specifications

Finally click on > Motherboard Specifications, PTGD1-LA (Goldfish )

Scroll the page down to view the motherboard illustration and photo.


The replacement Power Supply has to have,

A) A 24-pin ATX main power cable.
In the motherboard photo, view the Ram Memory slots. The long Blue, and Black slots.

To the right of the bottom corner of the Black ram slot (Slot 4) is a whitish connector.
Two columns of 12 socket holes.
This is where the 24-pin ATX main power cable plugs into.
(ATX Power Connector in the motherboard illustration)

Typical 24-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

NOTE the Lock Clip on the side of the connector.


B) 4-pin ATX +12 Volt power cable.
At the bottom Left corner of the Processor socket is a whitish square connector.
4 socket holes.
This is where the 4-pin ATX +12 Volt power cable plugs into.
(ATX12V in the motherboard illustration)

Typical 4-pin ATX +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

NOTE the Lock Clip on the side of the connector.

{The top of the Lock Clip is squeezed in to release it, and is held while the power cable is removed.
Same for the 24-pin ATX main power cable's connector}


C) SATA power cable.
Used for the SATA harddrive

The SATA power cable has 15 pins, and is the longer connector.
The SATA data cable has 7 pins, and is the shorter connector.

IF, the SATA harddrive has provisions for plugging in a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY USE the SATA power cable.
Otherwise you will burn up the SATA harddrive.

The SATA power cable plugs into the SATA harddrive.
One end of the SATA data cable plugs into the motherboard, and the other end plugs into the SATA harddrive.

Below the ram slots in the bottom Right corner are the SATA headers on the motherboard, that the SATA harddrive plugs into.
The Blue, Orange, Black and White connectors.

Of course the SATA harddrive only plugs into one of them.
Looking at the motherboard illustration you will see they are numbered.
SATA 1, SATA 2, SATA 3, and SATA 4.

IT DOESN'T MATTER which one you plug your harddrive into. (Or any SATA device)
That's the beauty of SATA.
BIOS will find the harddrive.
But for you, it will be easier to keep track of where the SATA harddrive is plugged in, if you just use SATA 1.

Typical SATA power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#sata


D) 4-pin standard Peripheral power cable.
Commonly referred to as Molex. (Misnomer)

Used for optical drives, Fans, and other associated hardware.

Typical 4-pin standard Peripheral power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral


E) 4-pin Small Peripheral power cable.
Used to be commonly used for a Floppy Drive.
For your computer it provides power to the Memory Card Reader.

Typical 4-pin Small Peripheral power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#floppy

Watch disconnecting, and connecting this connector. You can bend the pins very easily.
SAFETY
WATCH your fingers as the pins are QUITE SHARP!

All of the power cables listed above are standard for today's Power Supply's.

About the Wattage.
A computer ONLY uses the power it needs, and NO more.

If you put a 10,000 Watt power supply in, and the computer only needed 100 watts for what it is doing, it will ONLY use 100 watts.
To wit, if you install a Power Supply with more Wattage than 250 Watts, it will NOT hurt your computer.

If you need guidance in replacing your Power Supply, or recommendations for a Power Supply, please state in a Comment.

Regards,
joecoolvette

(Apologize for being so lengthy)

Nov 24, 2010 | HP PAVILION A847C Intel Pentium 540 HT...

1 Answer

I have an Emachines W3609 desktop with windows vista. One day i powered it on and the fan ran hard and i got three beeps and no display in the monitor. I went into the case removed the ram and found 1 ram...


i seem the power supply gone bad, it is hard to say what is the problem actually, you need to check all of your devices(processor, ram, video card, motherboard and power supply) to some other system one by one for confirmation.

Nov 05, 2010 | Computers & Internet

2 Answers

Blue light on power button on, but Monitor shows "no signal"


If you tried replacing your power supply but still cannot put your PC to turn on, you should try checking your memory or your RAM. try reconnecting it, clean the lids of the RAM using an eraser, make sure you erase the lids on one direction and try reconnecting it again.

1. After reconnecting the RAM, try to unplug any hard disks connected to your motherboard, remove external PCI cards or if you have external video card remove it and use the built-in video card.

2. Make sure that the connectors from your power supply going through your motherboard is not loose, dont overtighten as it may possible that you can damage your motherboard from pushing through it.

3. Now turn on your computer, if it works, then your RAM must have been faulty or you have loose connections. Try to plug the hard disks and turn on again your computer, if you tried plugging in every devices and if theres an instance that your computer didnt turn on after you have plugged in that device, then the problem will be on that device that you have just plugged, and that made the computer from not responding.

It really helps alot if you have a spare device because you can test if, the one youre using works well by replacing it with a device that in no doubt that works well.

These are just basics on troubleshooting, and i hope it will helped you troubleshoot your PC or more computers in the future.

Any clarifications or future problems, i would be happy to help you. =)

Jan 02, 2010 | E-Machines T2862 PC Desktop

2 Answers

Emachine t5026 does not appear to have any power, when you unplug the power cable from unit the ehaust fans breifly turn on, and light on mother board flickers, other than that sign of power Tried putting...


Unplug every thing such as the CD/DVD trays, Hard Drive, take out any dial-up modems, network cards, video cards, etc. unplug even the mouse and keyboard. Try powering on agan. If the computer seems to work, then power back off and plug in one device then power on computer. Keep doing that until you find the bad device preventing the computer from turning on.

If that doesnt work then carefully remove the RAM completely then carefully replace the RAM. Now with on the Dynex power supply plugged in to the motherboard, try again. If still nothing, remove the RAM and try again. If it still does the same thing, then the motherboard is dead and needs replaced. If instead you get a series of beeps then the problem MAY be bad RAM. Try different RAM. If that doesnt help. The only thing left is taking out the CMOS battery, It is the coin shaped battery on the motherboard. Take it out and wait 20 seconds then put it back. I doubt it is the CMOS battery, but at this point it is worth a shot.

Nov 13, 2009 | E-Machines T5026 PC Desktop

2 Answers

Computer will not boot up


Sounds like the bios is not posting. Your motherboard could be damaged.

Try this though. Recheck that your keyboard and mouse are plugged into the right holes on the back, sometimes having these switched will not let the computer boot. Also, after switching them, unplug the power supply from the computer, and replug it.

Don't buy Emachines. Their power supplies are made to fail within the year. There are plenty of other 200$ PCs to buy.

The good news is, your hardrive data is fine.

Jun 24, 2009 | E-Machines T5082 PC Desktop

1 Answer

Fan running, HDD light solid, no display


I assume there are no post codes (beeps)?

Pull everything including the video card, leave only the RAM and CPU installed.

Try powering it on, You should hear a long beep, then some short ones to tell you the video card wasn't detected.

If you still don't get any post beeps, try resetting the BIOS, and re-seat your RAM.

If it still doesn't post it could be a system board mounting issue, bad system board, bad RAM, bad CPU, or bad Power Supply

Jun 24, 2009 | E-Machines T2240 PC Desktop

2 Answers

No output on Monitor


Hello, It depends on how you cleaned the computer. If you removed the card from the slot then it may not be reseated back into proper alignment. If it is onboard video then there may still be a bit of dirt across one of the chip contacts. The other option would be when you plugged the monitor cable back in, you may have accidently bent a pin on the plug. Make sure that all power to the computer is off for several minutes before disconecting the cable and then look at the cable end to see if one of the pins got bent. Carefully straighten it with fine needle nose pliers then carefully plug it back in. If this doesn't work then you may have created static electricity and blew out the video system. Hope this helps, RAC

Apr 13, 2009 | AMD (90613) PC Desktop

2 Answers

EMachine tower doesn't boot up. Only the fan is running


try replacing your ram.if your ram is bad you wont get no picture on your monitor but your puter will start.2 if you have a video card turn off you puter for a few minutes and plug your monitor to your original display.

Nov 24, 2008 | E-Machines eMachines Desktop PC

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