Solved Computer simply won't power on

KazeNoKoe23

Scruffy, the janitor
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Location
Calgary
I just received my new computer parts today. Specs:

Core i5-2500K
Gigabyte P67X-UD3-B3 motherboard
Sapphire Radeon HD 6870
8 GB DDR3-1600 RAM

to go with my Corsair Force 2 120 GB SSD and 320 GB Seagate HDD. Now the only problem is, after I've connected everything, the computer simply won't power on. I have a Corsair 650W power supply so I'm PRETTY sure that shouldn't be an issue. I'm positive everything is connected to the board correctly so I'm at a loss. Any ideas?
 

My Computer

OS
Windows 7 Professional x64 SP1
CPU
Intel Core i5-2500K
Motherboard
Gigabyte P67X-UD3-B3
Memory
8 GB Corsair Vengeance Blue DDR3-1600
Graphics Card(s)
Sapphire Radeon HD 6870 1 GB GDDR5
Monitor(s) Displays
Samsung SyncMaster T220HD
Screen Resolution
1680x1050
Hard Drives
120 GB Corsair Force SSD + 320 GB Seagate Barracuda SATA2 + 2 TB My Book Elite
PSU
Corsair 650W
Internet Speed
50 Mbps
Maybe take out the ram and graphics and reseat them?

Triple check all the power cables are plugged in correctly?

I assume the power supply was from your last rig so it was working fine in that?
 

My Computer

OS
Windows 7 Professional 64 bit
wont power on as in?
wont post, or just does nothing when you hit the power button?

If it does nothing when you hit the power button, have you actually got power? is there a switch on the rear of the psu? flick it. is the power button itself at fault? try manually shorting the pins together with a screw driver.

if it does power on and you get fan spinning but nothing else, check your 4/8 pin pci-e power cable is plugged in.

do you have a speaker attached to the mobo? does it give a post beep?

when building a new pc ALWAYS build it outside of the case first, i do it on top of the mobo box, jsut plug everything in or the minimal needed to make a computer work and turn it on, by manually shorting the + and - pins together.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Built by badgers!!!
OS
Windows 7 Ultimate x64, & Mac OS X 10.9.2
CPU
Intel Core i5 2500k
Motherboard
Asus P8z68 LE
Memory
Corsair Vengence 8gb 1866mhz
Graphics Card(s)
Nvidia GTX 770 OC
Monitor(s) Displays
2x ASUS LED 22" IPS
Screen Resolution
3840x1080
Hard Drives
240GB Crucial M500 SSD
120gb Corsair Force 3 SSD
1TB Western Digital
PSU
Corsair HX650w Modular
Case
Corsair Air 540
Cooling
Corsair H60 Push/Pull
Keyboard
Corsair K70/ Logitech G27 wheel
Mouse
Saitek R.A.T 9
Internet Speed
Too slow!
Other Info
AMD fusion E350N Home server-Windows Home Server 2011 (also made by badgers!)
2011 Macbook 2.4ghz Core2Duo, 4gb ddr3, 120gb Ocz Vertex SSD
I just received my new computer parts today. Specs:

Core i5-2500K
Gigabyte P67X-UD3-B3 motherboard
Sapphire Radeon HD 6870
8 GB DDR3-1600 RAM

to go with my Corsair Force 2 120 GB SSD and 320 GB Seagate HDD. Now the only problem is, after I've connected everything, the computer simply won't power on. I have a Corsair 650W power supply so I'm PRETTY sure that shouldn't be an issue. I'm positive everything is connected to the board correctly so I'm at a loss. Any ideas?


CMOS battery checked/replaced?
 

My Computer

Computer Manufacturer/Model Number
HP Pavillion dv-7 1005 Tx
OS
Win 8 Release candidate 8400
CPU
[email protected]
Memory
4 gigs
Graphics Card(s)
Nvidia 9600M
Sound Card
HD built-in
Monitor(s) Displays
17" Wxga
Screen Resolution
1440x900
Cooling
none
Internet Speed
45Mb down 5Mb up
Newer PSUs are getting more and more finicky about supplying power if they feel that anything is wrong...

You will usually get an indication of this in that the cpu fan gets a power hit and moves a bit but then shuts off instantly.

Make sure that you have (besides the large power plug) the CPU power plug installed and the right one, could be 4 or 6 or possibly even 8 pins. Also that your GPU has all of it's "external" power connectors populated.
 

My Computer

Computer Manufacturer/Model Number
Scratch built
OS
Windows 7 x64 Ultimate
CPU
i7 960
Motherboard
Asus P6X58D
Memory
12 Gig Corsair Dominator
Graphics Card(s)
Nvidia 480
Sound Card
Maudio Delta 44 + breakout box
Monitor(s) Displays
Dell UltraSharp U2410 24in and Samsung 21 dual monitors
Screen Resolution
1920x1200 and 1280x1024
Hard Drives
Primary: Intel X-25M G2 160G SSD
Secondary: Segate baracuda 1.0 TB
HDs in AHCI mode.
PSU
Corasair TX850
Case
Cooler Master HAF
Cooling
Corsair H50
Keyboard
Logitech G15 + N52 game pad
Mouse
Logitech MX518
Internet Speed
15kbs down 4.5kbps up
Other Info
WEI 7.6
CPU & RAM 7.6
Graphics 7.9
Hard disk 7.7
I solved the issue. There was something seated incorrectly on the board. As soon as I removed it, the computer was able to power on. Should've kept trying before I posted a thread. Thanks for the help though, guys. :)
 

My Computer

OS
Windows 7 Professional x64 SP1
CPU
Intel Core i5-2500K
Motherboard
Gigabyte P67X-UD3-B3
Memory
8 GB Corsair Vengeance Blue DDR3-1600
Graphics Card(s)
Sapphire Radeon HD 6870 1 GB GDDR5
Monitor(s) Displays
Samsung SyncMaster T220HD
Screen Resolution
1680x1050
Hard Drives
120 GB Corsair Force SSD + 320 GB Seagate Barracuda SATA2 + 2 TB My Book Elite
PSU
Corsair 650W
Internet Speed
50 Mbps
You may want to read this useful guide: No Power to Computer - How To Troubleshoot a Computer That Shows No Sign of Power

When you put the case back together did you make sure everything was seated correctly?

I was troubleshooting a friends computer recently and it turned out that the front panel wasn't seated correctly, which meant the power switch wasn't being pushed in fully.

As this computer was self-built, did you double check everything was configured correctly?
 

My Computer

Computer Manufacturer/Model Number
HP Pavilion Elite 495UK
OS
Windows 7 Ultimate SP1 64-Bit
CPU
Intel Core i7 870 @ 2.93GHz
Motherboard
MSI 2A9C (CPU1)
Memory
8Gb Dual-Channel DDR3 @ 664MHz
Graphics Card(s)
nVidia GeForce GTX 460 1024MB dedicated RAM
Sound Card
Realtek HD Audio
Monitor(s) Displays
HP2310i
Screen Resolution
1920 x 1080
Hard Drives
1x1954GB Hitachi HDS22020ALA 330 (RAID), 1x1954GB Hitachi External for backup and storage
PSU
460W
Case
HP Elite
Cooling
Air cooled
Keyboard
Logitech K750 solar-powered keyboard
Mouse
Logitech Wireless M180 mouse
Internet Speed
2Mb
Other Info
Pure Avanti Flow Internet Radio with iPod Dock, 64Gb iPod, HP USB Speakers, Sony MDR-V500 Headphones, Sony Vaio F-Series Laptop
I solved the issue. There was something seated incorrectly on the board. As soon as I removed it, the computer was able to power on. Should've kept trying before I posted a thread. Thanks for the help though, guys. :)


Glad you got it sorted:D
 

My Computer

OS
Windows 7 Professional 64 bit
You're welcome.

It's normally the simple things that cause this sort of problem and you could have have considered yourself unlucky if the new power supply had failed.

Thanks for the update. :)
 

My Computer

Computer Manufacturer/Model Number
HP Pavilion Elite 495UK
OS
Windows 7 Ultimate SP1 64-Bit
CPU
Intel Core i7 870 @ 2.93GHz
Motherboard
MSI 2A9C (CPU1)
Memory
8Gb Dual-Channel DDR3 @ 664MHz
Graphics Card(s)
nVidia GeForce GTX 460 1024MB dedicated RAM
Sound Card
Realtek HD Audio
Monitor(s) Displays
HP2310i
Screen Resolution
1920 x 1080
Hard Drives
1x1954GB Hitachi HDS22020ALA 330 (RAID), 1x1954GB Hitachi External for backup and storage
PSU
460W
Case
HP Elite
Cooling
Air cooled
Keyboard
Logitech K750 solar-powered keyboard
Mouse
Logitech Wireless M180 mouse
Internet Speed
2Mb
Other Info
Pure Avanti Flow Internet Radio with iPod Dock, 64Gb iPod, HP USB Speakers, Sony MDR-V500 Headphones, Sony Vaio F-Series Laptop
Just to point out to a few that don't know this

First time builders may get this due to not grounding the board correctly to the case or configuring the ground screws in the right areas the board was designed for

In case someone has a issue that is also something to check for

When the motherboard is not seated properly it will attempt to turn on but fail

Just some extra info ;)
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
CoreI7-6700K MrFingerIII Special Builds
OS
Windows 10 Home Premium 64bit sp1
CPU
Intel I7-6700K @ 4.6 Ghz 1.344 volts everyday OC
Motherboard
Asrock Fatality K6 Z170 Socket 1151
Memory
32GB G-Skill TridentZ 3200mhz 16-18-18-38 DDR4
Graphics Card(s)
Sli Gigabyte Windforce GTX 980 G1
Sound Card
AC97 Creative Rage Tactic 3D Headphones Bluetooth
Monitor(s) Displays
27" Asus ROG Swift PG278Q G-Sync 48" Vizio Smart HD TV
Screen Resolution
2560x1440p 27"- 48" Currently Gaming at 2560x1440p Res 2K
Hard Drives
250GB Samsung Evo840SSD Seagate baracuda 500 GB WD Mybook 500Gb 1TB Seagate Barracuda
PSU
HX1050w Corsair Silver 80plus certified crosfire/sli
Case
Enthod Pro Full Tower
Cooling
Corsair H110i GT 280 mm High Performance WaterBlock
Keyboard
Logitech wireless keyboard
Mouse
Logitech wireless mouse
Internet Speed
Cox Cable 100+ mb
Antivirus
WebRoot Spysweeper with Antivirus
Browser
IE-10, Chrome, Opera
Other Info
My Other Rig is a AMD FX8320E @4.6Ghz 16GB Ballistic Sport Ram
Mobo Asrock Fatality 990FX 120GB OCZ SSD 1TB Seagate Barracuda Corsair H75 Cooling PSU Corsair CX750
GPU GTX Gigabyte 970G1

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built Desktop By DataTech
OS
Windows 7 Ultimate X64 SP1
CPU
Intel i5-2550K, Differing ~4.4-4.8GHz No built in GPU
Motherboard
ASUS P8Z68-V PRO/GEN3
Memory
16GB G.Skill Sniper 1866MHz @ 2133MHz 2x8GB
Graphics Card(s)
ASUS GTX650TIB-DC2OC-2GD5, (650TI Boost)
Sound Card
Onboard Realtek 5-1
Monitor(s) Displays
Samsung P2570HD
Screen Resolution
1920x1080
Hard Drives
Samsung 840 Pro 256GB SSD for OS, 500GB Seagate Constellation (Enterprise drive) for Data
PSU
Corsair HX650W
Case
Inwin Dragon Rider
Cooling
Hyper 212 EVO w/two Noctua fans, push-pull, @1300 RPM
Keyboard
E-Z Eyes, bright yellow keys with large characters
Mouse
steelseries SENSEI Laser Pro Gaming
Internet Speed
48-51Mbs Mbs down, 11 Mbs up Xfinity Cable
Antivirus
Norton Internet Security 2013
Browser
IE 10, Opera, Pale Moon if needed
Other Info
4 case fans, LG BluRay-RE, ASUS DVD-RW, Mr. Fusion power supply, 1.21 gigawatts.
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