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HELP!!! PC not turning on!!!

post #1 of 31
Thread Starter 
Okay so I built my rig about a month ago and it has been great. Today I come home and it wouldn't turn on. So then I tried different outlets and it did turn on, but it like turns off after like two seconds, reboots itself and it keeps flicking on and off. I'm getting really scared, I don't know what the problem is.

Can someone help me? Is it the power supply? I checked all the connections it should be fine. I mean it was working this morning. What could have gone wrong from then till now?
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Arc Midi
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post #2 of 31
have you got a spare power supply you could try out. Make sure its on a seperate circuit so no irons, heaters and other **** running on the same circuit. Change out ram?
Zardoz
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post #3 of 31
Try removing all the power supply plug-ins off the board and make sure they are firmly seated. Remove the ram and reseat it also. Perhaps even reseating the gpu and add-on cards also. If that fails, remove the cmos battery and move the jumper to clear, unplug the power supply outlet cable from the wall. Press the power button on the case to drain the remaining power out. Let it simmer for a few minutes and redo everything and fire it up and see what happens.

Use a jumper on the power supply, green to black wire to see if it comes on. Also seen the power switch stop working before. Remove the power switch jumper off the board and short it with a flat-head screw driver to see if it is the button going bad.
post #4 of 31
try taking out the card. this was happening to me when i fried my 5770.
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Blipper
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First LEGIT Rig!
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RAMHard DriveHard DriveHard Drive
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Optical DriveCoolingOSMonitor
ASUS DRW-24B1ST Corsair H100i Windows 10 Professional Dell Gaming S2716DG 27" 
MonitorMonitorKeyboardPower
BenQ GW2760HS 27" BenQ GW2760HS 27" Ducky Shine II (Red LED,Cherry MX Blue) CORSAIR Professional Series Gold AX850  
CaseMouseAudioOther
Corsair 650D Logitech G502 Yamaha R-v703 w/ Yamaha Monitors Obbuto Revolution for Desk/Cockpit 
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9400 P45 Neo-F (MS-7519) NVIDIA GeForce GTX 460  Value Ram 
RAMRAMHard DriveOptical Drive
Value Ram  Value Ram Western Digital Blue some DVDRW 
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post #5 of 31
Thread Starter 
Okay I'm trying your suggestions, right now when I turn on, there's 4 short beeps when I turn it on. What does that mean?
Arc Midi
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Define Mini
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Hard DriveOptical DriveCoolingOS
Crucial M4 Blu-Ray RW Drive Corsair H60 Windows 7 Professional 64-bit 
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Arc Midi
(13 items)
 
Define Mini
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CPUMotherboardGraphicsRAM
Intel i5-3750K MSI Z77A-G45 MSI Twin Frozr 7850 2GB Kingston HyperX 4GB x 2 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H60 Windows 7 Professional 64-bit Dell Ultrasharp U2412M 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate Seasonic X650 Fractal Design Arc Midi Logitech G700 
Mouse Pad
Razer Goliathus 
CPUMotherboardGraphicsRAM
Intel i5-3750K ASRock Z77 Pro4-M HIS Radeon HD 7850 2GB Corsair XMS 8GB (2x4GB) DDR3-1600 
Hard DriveOptical DriveCoolingOS
Crucial M4 Blu-Ray RW Drive Corsair H60 Windows 7 Professional 64-bit 
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post #6 of 31
same thing happened to be when i got a doa psu.
First Build
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First Build
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post #7 of 31
look up the 4 short beeps in your motherboard manual to find out
Zardoz
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i7 950 @ 4.21 (HT/On) #3043A793 Rampage III GENE NVIDIA Geforce GTX 560 Ti MSI TFII @ Stock G.SKILL Ripjaws Series 8GB DDR3 1600 
Hard DriveOptical DriveOSMonitor
Intel X25-M SSD 80GB [x2] Raid 0 + Seagate 1TB Pioneer BR-Drive Win7 Ultimate 64bit Acer B273hu 
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Zardoz
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.21 (HT/On) #3043A793 Rampage III GENE NVIDIA Geforce GTX 560 Ti MSI TFII @ Stock G.SKILL Ripjaws Series 8GB DDR3 1600 
Hard DriveOptical DriveOSMonitor
Intel X25-M SSD 80GB [x2] Raid 0 + Seagate 1TB Pioneer BR-Drive Win7 Ultimate 64bit Acer B273hu 
PowerCase
GE-M800A-d1 Gigabyte LIAN LI PC-A04B mATX 
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post #8 of 31
If it is 1 beep followed by 3 then that is a vga issue there. 3 beeps is ram for that board.
post #9 of 31
Thread Starter 
So now I took out the GPU and everything seems to be alright. The thing is that I can't output anything because my mobo doesn't have a video output. Maybe the card is DOA?
Arc Midi
(13 items)
 
Define Mini
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CPUMotherboardGraphicsRAM
Intel i5-3750K MSI Z77A-G45 MSI Twin Frozr 7850 2GB Kingston HyperX 4GB x 2 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H60 Windows 7 Professional 64-bit Dell Ultrasharp U2412M 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate Seasonic X650 Fractal Design Arc Midi Logitech G700 
Mouse Pad
Razer Goliathus 
CPUMotherboardGraphicsRAM
Intel i5-3750K ASRock Z77 Pro4-M HIS Radeon HD 7850 2GB Corsair XMS 8GB (2x4GB) DDR3-1600 
Hard DriveOptical DriveCoolingOS
Crucial M4 Blu-Ray RW Drive Corsair H60 Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
Dell U2412M IPS Monitor Razer BlackWidow Ultimate Seasonic X750 Fractal Design Define Mini 
MouseMouse Pad
Logitech G700 Razer Goliathus 
  hide details  
Reply
Arc Midi
(13 items)
 
Define Mini
(14 items)
 
 
CPUMotherboardGraphicsRAM
Intel i5-3750K MSI Z77A-G45 MSI Twin Frozr 7850 2GB Kingston HyperX 4GB x 2 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H60 Windows 7 Professional 64-bit Dell Ultrasharp U2412M 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate Seasonic X650 Fractal Design Arc Midi Logitech G700 
Mouse Pad
Razer Goliathus 
CPUMotherboardGraphicsRAM
Intel i5-3750K ASRock Z77 Pro4-M HIS Radeon HD 7850 2GB Corsair XMS 8GB (2x4GB) DDR3-1600 
Hard DriveOptical DriveCoolingOS
Crucial M4 Blu-Ray RW Drive Corsair H60 Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
Dell U2412M IPS Monitor Razer BlackWidow Ultimate Seasonic X750 Fractal Design Define Mini 
MouseMouse Pad
Logitech G700 Razer Goliathus 
  hide details  
Reply
post #10 of 31
Try different PCIe slot.
Make sure your PSU is giving enough power to the card too.
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