Question about eMachines MS-7145 Motherboard 103777

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No display but the computer turns on.

I just bought this comp. It turns on fans come on lights come on but the monitor doesnt. It's running on the integrated graphics card. I need some help with my problem. I've rested the bios. That still didnt work. I unpluged the p4 and that still didnt work. I dunno what to doo..

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Could be an issue with the graphics controller or with the monitor. first, verify if the monitor is actually working. try it on another computer or video source. if it works, make sure that you have a working video cable and check to make sure the video input source (dvi, vga, rgb, hdmi.. etc) selected on your monitor is the correct one that you are using. if you have ruled out the monitor, video source and cables, you can then test if another monitor will work with the computer. if same thing happens, meaning nothing on display even the manufacturer or BIOS screen does not show up when you turn on the computer, it is most likely the video controller. you may either get the motherboard replaced or install an add-in video card if the integrated video controller only has one video connector.

Posted on Jul 18, 2013


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Related Questions:

1 Answer

Ms 7145

william ,are the monitor okey,you maybe should try with a other.
did it came with a Os or.

Jul 17, 2013 | Computers & Internet

1 Answer

I have a Inspiron 530... The monitor reads "NO

You may try another graphic card, it is quite possible the card may not compatible with board, also push the RAM stick to place them properly may the RAM gone dislocated.
Hope it helps

Dec 30, 2010 | Dell desktop and monitor- Inspiron 530...

3 Answers

Starting from about 2 days ago, my monitor has been unable to receive input signal from the computer (Pavilion Elite m9515y). I had originally thought that there was a virus at work, so I scanned for...

"I'm thinking faulty video card2_bing.gif, though I'm not entirely sure."

I'm thinking Power Supply.

Bad Power Supply, weak Voltage power rail.

No Signal on the monitor indicates the monitor is working, but the monitor is not receiving a video signal.

1) Could be due to a faulty monitor cable.
When you used the other monitor, did you try another monitor cable, or is this a VGA monitor where the monitor cable is not removable? (CRT monitor)

2) Monitor cable checks out, the next part of the diagnosis would be the graphics card.
Nvidia GeForce 9600GS


It's a Nvidia GeForce 9600 GS 768MB DDR2
One of the weakest graphics cards, (graphics wise), in the GeForce 9600GS series,

As stated, ensure that the graphics card is seated, down in the PCI Express x16 expansion slot.

[Computer unplugged from power. Observe Anti-Static precautions Before you reach inside the computer.

Anti-Static precautions:

Your body carries Static electricity.
Static WILL fry out (Short Circuit) the hardware components inside a computer.

Computer unplugged from power, computer on a table, computer case open,...TOUCH the metal frame of the open computer case to relieve your body of Static.

Should you walk away in the middle of working on your computer, upon your return Touch the metal frame again ]

After ensuring that the graphics card is well seated, and this is to no avail, I would check to see if the Processor fan is operating.

Computer on, computer case open, observe the Processor fan.
If it isn't spinning, or seems to be spinning very slow, replace the fan.
(Bad fan bearings)

The Pavilion m9515y uses an AMD Phenom X4 9850 processor.
An AMD processor will heat up very quick.
(And typically runs hotter than a comparable Intel)

Without a fan running the Processor could burn up in a matter of seconds.

There is a Fail Safe feature built-in, to shut the Processor off if it becomes too hot.
(BIOS turns it off)

Processor fan is operating okay?
Use the Integrated Graphics on the motherboard, and see if the graphics card is the problem.

The Pavilion Elite m9515y desktop computer has a PCI Express x16 slot, (PCI-Ex16), and also has Integrated Graphics.

(ATI Radeon HD3200, GPU, for Integrated Graphics)

To explain:
The GPU is the 'Graphics Engine'
Graphics Processing Unit.

The GPU chip can be soldered directly to the motherboard, (Integrated Graphics), or soldered to a removable graphics adapter card.

(Integrated Graphics is also know as OnBoard Graphics.
On the motherBoard)

When a graphics (adapter) card is used in the PCI Express x16 slot, the Integrated Graphics is not used.

You can remove the graphics card, plug your monitor into the Integrated Graphics on the motherboard, and reset BIOS to use Integrated Graphics, instead of the graphics card.

Graphics on your monitor?
You know you have a bad graphics card.

[Computer unplugged from power, anti-static precautions observed. Remove the graphics card. Plug the monitor into the Integrated Graphics of the motherboard.

{The Integrated Graphics ports are above where the keyboard, and mouse plug in. (Using a keyboard, and mouse that has a PS/2 connector, not a USB connector)

There is a DVI port, (White. Has three rows of 8 holes, and a horizontal slot to the right of the holes),
and a VGA port, (Blue. Three rows of 5 holes)

Plug your monitor cable into the appropriate Integrated Graphics port.

Press the Power On button in, and hold it in for a count of Five seconds. (And I mean at least Five. Count 1001, 1002, 1003, 1004, 1005)

Let go of the Power On button.
Do this procedure two more times.
What you are doing is clearing CMOS Error Codes, and resetting BIOS back to the factory default settings.

Plug the computer into power. WAIT 1 minute.
Turn the computer on ]

After checking out the monitor cable, and Processor fan, I would like you to bypass the graphics card part of the diagnosis, and check the Power Supply instead.


1) The major cause of computer failure, is Power Supply failure.
Largely attributed to the inside of the computer is dirty, as well as the inside of the Power Supply is dirty.

(The second cause of Power Supply failure, is a low quality Power Supply.
Gauge of wiring is too small.
Electrolytic Capacitors are low quality.
Rectifier Bridge is low quality.
MOSFET's are low quality)

The Power Supply has two cooling components.
The Fan, and Heatsink's used inside.

Typical construction of a Heatsink is a plate of metal, with tall, thin fins protruding from it.

The plate of metal absorbs heat from whatever object it is placed against, and the tall, thin fins absorb the heat from the metal plate.
The fins radiate the heat away.

If a fan is used in conjunction with a Heatsink, (Such as a Power Supply for example), the air flow from the fan, helps to carry away the heat from the fins.

Once 'Gunk' builds up on the Fan, and the Heatsink/s, the cooling capacity of these two components drops tremendously.

Heat = Wasted Energy
The more heat, the more the Power Supply strains to keep up with the call for power.
Eventually hardware components inside the Power Supply fail, and the Power Supply itself fails.

1) ALL the lights use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts.

3) A typical Processor can use from 51 to 125 Watts.
Depends on what Processor it is.

(Pavilion m9515y uses an AMD Phenom X4 - 9850
Operating at full capacity this Processor can use up to 95, or 125 Watts. Depends on which Part Number it is.
HD9850WCJ4BGH or HD9850XAJ4BGH )

This is why if you are seeing lights light up, and fans spinning, (or spin a few times, and stop), the computer itself may not be working.

Not enough power to turn the Processor on.

A computer Power Supply puts out three main voltages.
A) 3.3 Volts (Wires with Orange insulation)
B) 5 Volts (Red wires)
C) 12 Volts (Yellow wires)

Test is done to specifically check the 12 Volt power rail.
11 to 13 Volts is okay.
Less than 11 Volts requires replacing the Power Supply.

The test is done with a multimeter, or a power supply tester.
(An economical multimeter good enough for this test, will run from $5 to $12.
Here is one example of an economical power supply tester,

Need clarification of something I've stated, or have additional questions, please post in a Comment.
(Believe upper right of your page. We are undergoing changes to improve our website)

By the way.

You have one heck of a computer there.

AMD Phenom X4-9850, and 8GB's of DDR2 Sdram ram memory, (PC6400)
With a decent, not too expensive, graphics card, and a decent Power Supply, you could S-M-O-K-E a lot of gamer computers out there.

Jun 15, 2010 | HP Pavilion Elite m9515y PC Desktop

2 Answers


When a monitor displays No Signal, it is an indication that there is no video signal going to the monitor.

The monitor is working fine.

1) Could be due to a bad monitor cable. They do go bad.

Test would be to take that monitor cable, (If it disconnects), and use it on a known to be working computer.

2) Could be the graphics of the computer.

If the computer has Integrated Graphics, the test would be to install a graphics card, and plug the monitor into it.

[Integrated Graphics is also termed as OnBoard Graphics.
On the motherBoard.

The GPU is the graphics 'engine' of a computer.
Graphics Processing Unit.

It can be soldered directly to the motherboard, (Integrated Graphics), or soldered to a removable graphics card. ]

When you install a graphics card, (graphics expansion card), the Integrated Graphics is bypassed.
The monitor plugs into the graphics card, not the motherboard.

Could be wrong, but I'll bet it's the Power Supply.

If this problem directly relates to a Compaq Presario SR1550NX, the computer is 5 years old. (According to my sources)

If the computer isn't cleaned inside, and the Power Supply isn't cleaned inside, on a regular basis as needed, the Power Supply is one hardware component that is sure to fail.

It's the top problem relating to computer failure.

The cooling components for a power supply is it's fan, and Heatsink's that are used inside.



The basic physical makeup of a Heatsink is a flat plate of metal, with tall, thin fins protruding from it.

The flat plate absorbs heat from whatever it is placed against, and the tall, thin fins absorb the heat from the plate.
The fins then radiate the heat away.

If there is a fan used along with a Heatsink, (Such as in the Power Supply, or on a Processor), the fan moves air in-between the fins, and around the fins, helping to carry the heat away.

If dirt, dust, hair, etc. is clogged on the fan blades, center hub, and surrounding cage, the cooling capacity drops tremendously.

The fan cannot move the needed amount of air.

To include on the Heatsink/s inside the Power Supply.

The gunk acts like an insulating blanket, causing the Heatsink to retain the heat, not conduct it away.

Heat = Wasted Energy

The Power Supply tries to keep up with the call for power, and eventually cannot, due to hardware components failing inside.

The Power Supply may seem like it is operating okay.

Lights light, fans spin, and it may sound as though the Harddrive inside is operating.

The Power Supply could have a weak Voltage power rail.

Power Supply's are rated in Wattage.
1) ALL the lights use less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts.
3) A typical Processor can use anywhere from 51 to 125 Watts.

A bad Power Supply with a weak Voltage power rail, will have enough power to light lights, and maybe spin fans, but not enough power to turn the Processor on.

Harddrive sounds like it is working, because the Platters inside are being spun by the Spindle motor.

There is no Processor operating (The 'Brain') to find the boot sector on the Harddrive.
Platters are spinning but the Arms aren't moving the Read/Write heads across the Platters.

In short the computer is not operating.

No video signal to the monitor, because there is no computer operating to send a video signal.
Bad Power Supply.

Jun 06, 2010 | HP Compaq Presario SR1550NX (PY059AA) PC...

1 Answer

New graphics card problems with my Presario SR5350F...

Make sure you plug in any auxiliary power cables are are required for the video card.

Is the card used. Has it ever shown signs of life?

Go into windows via integrated graphics and install the latest drivers.

After that I would go into your bios with integrated graphics and turn off intergrated graphics. Look around if there's like a setting that's like switch to PCIx graphics or something. After the restart try to use your monitor though your video card.

Apr 26, 2010 | HP Compaq Presario SR5350F Desktop PC...

1 Answer

I'm installing a new video card and need to disable the integrated one...How to ?

safe mode.....hold f8 during start up, then change the driver from the standard to the new driver for the card, turn off the comp, install the card and hook up the monitor, re start the comp...

Feb 18, 2010 | ATI Mobility RADEON Graphic Card

2 Answers

Turns on fan runs but no info to the monitor doesnt seem to boot

If the Monitor is displaying no infomation at all, your display signal from the PC to the monitor has failed.
1: Check the cable between the monitor and PC
2: If you are using onboard graphics then that display port is faulty.
3: If you are using a graphics card then remove it and try the onboard graphics.
4: Your monitor maybe faulty aswell so test it on another computer to be safe.

Its more likely to be option 2

Jan 15, 2010 | Gateway GT5220 PC Desktop

2 Answers

Changed power supply, everything is connected and

well you may have a bad video card or maybe even a monitor have you tried another monitor? if so, then you can purchase graphics cards at most electronics stores!

Dec 22, 2009 | Gateway GT5012 PC Desktop

1 Answer

Monitors wont work

It appears that you have a faulty graphics card.
If the graphics card is integrated with the motherboard then it cannot be repaired. Just purchase a new AGP graphics card, insert it into the AGP slot and connect your monitor to this card.
You may need to go to the BIOS setup to disable the on-board graphics card.
If you don't have an integrated graphics card, then buy a replacement graphics card.
You will need to install the new graphics drivers after installing the graphics card.

Nov 13, 2008 | Gateway 310 S PC Desktop

1 Answer

Sapphire Radoen hd 2900xt m512 mb

Hi, Have you overclocked this card? if so inspect all the capacitors on it and see if any are leaking or bulging on top or bottom. If all appears well, then borrow another monitor and try that one. If that fails Check your RAM chips are seated properly.

If there is no change then the only answer is a faulty graphics card.

Regards mistyman

Oct 09, 2007 | Sapphire RADEON HD 2900XT (512 MB) Graphic...

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