Desktop will not boot when I have new Power Supply

1) So you connected your cable into the wall.
2) You turn on your computer(????)
3) You unplug the cable from the wall
4) Your computer now wont boot up/turn on/post

I am sorry but you need to please take your time and attemp to help us understand what you mean.
 

My Computer My Computer

At a glance

Windows 8 64 bit PROAMD Phenom X4 9100e2GB X2 DDR2Sapphire HD 6850
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Gateway / Slight Modifications
OS
Windows 8 64 bit PRO
CPU
AMD Phenom X4 9100e
Motherboard
Gateway RS780
Memory
2GB X2 DDR2
Graphics Card(s)
Sapphire HD 6850
Sound Card
Integrated
Monitor(s) Displays
Gateway 19" + Dell 19"
Screen Resolution
1440X900 sometimes 2880 by 900
Hard Drives
WD 80GB
WD 640GB
WD 1,000GB
PSU
Antec BP 550watts
Case
Antec 300
Cooling
Stock Cooling
Keyboard
Saitek Eclipse II
Mouse
Gigabyte GM-M6800
Internet Speed
D: 30Mbps U:4Mbps
Antivirus
Avast version 8
Browser
Internet Explorer ver 10 64 bit
Other Info
This is my work computer.
I have another laptop running Windows 7 64 bit.
Another PC running Windows 8 64 bit pro.
Total of 3
1) So you connected your cable into the wall.
2) You turn on your computer(????)
3) You unplug the cable from the wall
4) Your computer now wont boot up/turn on/post

I am sorry but you need to please take your time and attemp to help us understand what you mean.


yes i plug the power cord into the outlet and when i press power in front of the tower still will not boot and there's no power switch.

when i unplug the power cord from the power supply it made a sound like the power supply shutting down or something....... few weeks ago it never made that sound before when pc still not booting up
 

My Computer My Computer

At a glance

Windows 7 Pro 32
OS
Windows 7 Pro 32
I am sorry but your going to need extra hardware to start testing.
It seems like an issue with your motherboard right now. Can you test your power supply in another machine?
I doubt that 2 power supplies stop working.

We have told you all you can do. Check your connections, double make sure they are tightly inserted.
Make sure your front panel connecters are in the proper place. Also confirm that the issue isnt your wall socket. And that your motherboard isnt making surface contact with the case itself.

I highly recommend you take it to a local shop so that they can check your motherboard and they tend to have more equipment which they can spare to test.
 

My Computer My Computer

At a glance

Windows 8 64 bit PROAMD Phenom X4 9100e2GB X2 DDR2Sapphire HD 6850
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Gateway / Slight Modifications
OS
Windows 8 64 bit PRO
CPU
AMD Phenom X4 9100e
Motherboard
Gateway RS780
Memory
2GB X2 DDR2
Graphics Card(s)
Sapphire HD 6850
Sound Card
Integrated
Monitor(s) Displays
Gateway 19" + Dell 19"
Screen Resolution
1440X900 sometimes 2880 by 900
Hard Drives
WD 80GB
WD 640GB
WD 1,000GB
PSU
Antec BP 550watts
Case
Antec 300
Cooling
Stock Cooling
Keyboard
Saitek Eclipse II
Mouse
Gigabyte GM-M6800
Internet Speed
D: 30Mbps U:4Mbps
Antivirus
Avast version 8
Browser
Internet Explorer ver 10 64 bit
Other Info
This is my work computer.
I have another laptop running Windows 7 64 bit.
Another PC running Windows 8 64 bit pro.
Total of 3
Make sure all connections on the motherboard are connected and seated all the way, take all ram out and start the computer. It will not start without ram, but if the motherboard is acting properly, you should hear a serise of beeps, to tell you there is no ram.

Have you tried this?
It is important that you do this Test as it will tell us if the motherboard is functioning properly.
 

My Computer My Computer

At a glance

Windows 10 Pro x64i7-4770K16Gig DDR3-2400Gigabyte GT740
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Self Built Custom Computer.
OS
Windows 10 Pro x64
CPU
i7-4770K
Motherboard
Asus Z87 Sabertooth
Memory
16Gig DDR3-2400
Graphics Card(s)
Gigabyte GT740
Sound Card
Onboard
Monitor(s) Displays
Benq 27" - Dell 23' - Benq 22"
Screen Resolution
1680x1050
Hard Drives
Samsung 840 Pro 128g SSD
1xWestern Digital Caviar Green 1tb
2xWestern Digital Caviar Green 2 tb
PSU
Seasonic 760 watt Platinum
Case
Coolermaster Haf - X
Cooling
Noctua NH-C12P CPU Cooler
Keyboard
Logitech illuminated keyboard
Mouse
Logitech Perfomance MX
Internet Speed
Cable = speeds to 20Mbps downsteam and 512kbps upsteam
Antivirus
Avast Internet Security
Browser
Firefox
K guys, i did the paper clip test, computer turn on , fan is loud though but no lights showing up in front of the computer tower which is the power button and hard drive which all connected using the same connector. I can't check if the computer booted up on windows log in page since I accidentally broke the pins from the monitor. I'll check that out later..

also when i did the test, no green light on the motherboard i guess because connector not connected to it? it's the 24pins power connector
 

My Computer My Computer

At a glance

Windows 7 Pro 32
OS
Windows 7 Pro 32
I've had this same issue with one of my older computers. the power supply went, but not only did the power supply go it took out my mother board. Do you have another computer you can try your new power supply in to make sure it works? If so you should make sure your new power supply works.

RitualJman
 

My Computer My Computer

At a glance

Windows 7 Pro 64-bitAMD BullDozer FX-4100 3.6GHz Overclocked to 4...16GB G.Skill DDR3Sapphire Radeon HD 6770 Video Card - 1024MB, ...
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Pro 64-bit
CPU
AMD BullDozer FX-4100 3.6GHz Overclocked to 4.51GHz
Motherboard
Asus SaberTooth 990FX
Memory
16GB G.Skill DDR3
Graphics Card(s)
Sapphire Radeon HD 6770 Video Card - 1024MB, GDDR5
Sound Card
Creative Labs SB X-FI Titanium Fatal1ty Champ PCIe
Monitor(s) Displays
Viewsonic VX2025VM & Acer P191w
Screen Resolution
Viewsonic VX2025VM 1680x1050 & Acer P191w 1440X900
Hard Drives
Crucial M100 512GB SSD
Seagate 2TB
PSU
CORSAIR 860W 80 PLUS PLATINUM Certified Full Modular Active
Case
NZXT Phantom 410
Cooling
CoolerMaster Siedon 240XL Water Cooling
Keyboard
Logitech G510 Gaming Keyboard
Mouse
Razer Abyssus Gaming Mouse
Internet Speed
Ping: 4Ms Download: 88.25Mbps Upload: 91.00Mbps
Antivirus
Avast Internet Security
Browser
Google Chrome
Other Info
1. Thermaltake BlacX 5G Black USB 3.0 HDD Docking Station
2. NZXT Aperture M 5.25" Internal Card Reader 2x USB3.0
3. Dazzle Multimedia DVD Recorder HD & Video Capture
4. Razer Sabertooth Elite Gaming Controller
5. Xbox 360 Guitar Hero 3 Guitar (USB2.0)
6. Microsoft LifeCam HD-5001
6. Plantronics RIG Stereo Headset + Mixer
I do not know how i may have ignored or forgotten that but yes, sometimes power supplies get feisty and take other components along with them.
 

My Computer My Computer

At a glance

Windows 8 64 bit PROAMD Phenom X4 9100e2GB X2 DDR2Sapphire HD 6850
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Gateway / Slight Modifications
OS
Windows 8 64 bit PRO
CPU
AMD Phenom X4 9100e
Motherboard
Gateway RS780
Memory
2GB X2 DDR2
Graphics Card(s)
Sapphire HD 6850
Sound Card
Integrated
Monitor(s) Displays
Gateway 19" + Dell 19"
Screen Resolution
1440X900 sometimes 2880 by 900
Hard Drives
WD 80GB
WD 640GB
WD 1,000GB
PSU
Antec BP 550watts
Case
Antec 300
Cooling
Stock Cooling
Keyboard
Saitek Eclipse II
Mouse
Gigabyte GM-M6800
Internet Speed
D: 30Mbps U:4Mbps
Antivirus
Avast version 8
Browser
Internet Explorer ver 10 64 bit
Other Info
This is my work computer.
I have another laptop running Windows 7 64 bit.
Another PC running Windows 8 64 bit pro.
Total of 3
Run a good search on how to tell if your mother board is dead. I am not going to do any kind of copy and past. hope this helps


RitualJman
 

My Computer My Computer

At a glance

Windows 7 Pro 64-bitAMD BullDozer FX-4100 3.6GHz Overclocked to 4...16GB G.Skill DDR3Sapphire Radeon HD 6770 Video Card - 1024MB, ...
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Pro 64-bit
CPU
AMD BullDozer FX-4100 3.6GHz Overclocked to 4.51GHz
Motherboard
Asus SaberTooth 990FX
Memory
16GB G.Skill DDR3
Graphics Card(s)
Sapphire Radeon HD 6770 Video Card - 1024MB, GDDR5
Sound Card
Creative Labs SB X-FI Titanium Fatal1ty Champ PCIe
Monitor(s) Displays
Viewsonic VX2025VM & Acer P191w
Screen Resolution
Viewsonic VX2025VM 1680x1050 & Acer P191w 1440X900
Hard Drives
Crucial M100 512GB SSD
Seagate 2TB
PSU
CORSAIR 860W 80 PLUS PLATINUM Certified Full Modular Active
Case
NZXT Phantom 410
Cooling
CoolerMaster Siedon 240XL Water Cooling
Keyboard
Logitech G510 Gaming Keyboard
Mouse
Razer Abyssus Gaming Mouse
Internet Speed
Ping: 4Ms Download: 88.25Mbps Upload: 91.00Mbps
Antivirus
Avast Internet Security
Browser
Google Chrome
Other Info
1. Thermaltake BlacX 5G Black USB 3.0 HDD Docking Station
2. NZXT Aperture M 5.25" Internal Card Reader 2x USB3.0
3. Dazzle Multimedia DVD Recorder HD & Video Capture
4. Razer Sabertooth Elite Gaming Controller
5. Xbox 360 Guitar Hero 3 Guitar (USB2.0)
6. Microsoft LifeCam HD-5001
6. Plantronics RIG Stereo Headset + Mixer
Forgot to tell you guys that the fan in the front is working but the fan in the back not working
 

My Computer My Computer

At a glance

Windows 7 Pro 32
OS
Windows 7 Pro 32
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