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Computer not starting up properly.

post #1 of 8
Thread Starter 
OK, I am having some problems with an old Emachines rig. Now before I go any further, I don't want any Emachines bashing/praising/whatever.I have seen it happen too many times. Stay on topic please. Back to the problem. When I press the power button the computer turns on for a split second, then back off. Now if you press the button enough and it actually does come on and stay on, nothing works (Monitor feed, mouse, keyboard, nothing). I replaced the PSU with a perfectly working 600watt that I had laying around. Same problem. Any ideas? Thanks once again OCN!
Big Blue
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CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
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Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
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SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
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Big Blue
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
Optical DriveCoolingCoolingOS
SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
CaseMouseAudio
CoolerMaster HAF 942 Advanced Blue Edition Razer Naga Epic Logitech Z623 200 Watt 2.1 
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post #2 of 8
It is probably a short or loose cable. But first test the power switch by taking a screwdriver and touching the 2 contacts on the motherboard where the switch is hooked into. If it still fails to power up, a complete tear down/cleaning is probably the best way to make sure nothing is shorting out the board, and all cables are secure.
Wallet Flusher
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2600K@4.8 Lapped MSI P67A-G55 GTX 580 980@ 1.18v (WC) 4x4GB Mushkin Ridgeback 7-8-7-24 
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Win 7 64 Asus Pro Art PA246Q Seasonic X750 Silverstone TJ09 
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Wallet Flusher
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2600K@4.8 Lapped MSI P67A-G55 GTX 580 980@ 1.18v (WC) 4x4GB Mushkin Ridgeback 7-8-7-24 
OSMonitorPowerCase
Win 7 64 Asus Pro Art PA246Q Seasonic X750 Silverstone TJ09 
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G9X 
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post #3 of 8
I'd have to agree. This sounds like a dead short somewhere.

It could also be bad / not compatible RAM as well. That will also cause it to turn on and then right back off.
Junkyard
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NAStradamous
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HTPC01
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CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
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Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
(16 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
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post #4 of 8
boot it a minimal config no gpu and accessories and 1 stick of ram. try changing the ram stick also. check all cables and check nothing is shorting on the case.
Midgard
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Midgard
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AMD Phenom II B50 X4 (3.7Ghz) Biostar TA790GX 128M Gainward GTX 260 GS 2X2GB OCZ Gold DDR2 1066Mhz 
Hard DriveOptical DriveOSMonitor
320GB SpinPoint SATAII Black OEM DVD Burner Win 7 Home Premium 64Bit Samsung P2370 23" 
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post #5 of 8
Thread Starter 
Will do.
Big Blue
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
Optical DriveCoolingCoolingOS
SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
CaseMouseAudio
CoolerMaster HAF 942 Advanced Blue Edition Razer Naga Epic Logitech Z623 200 Watt 2.1 
  hide details  
Reply
Big Blue
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
Optical DriveCoolingCoolingOS
SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
CaseMouseAudio
CoolerMaster HAF 942 Advanced Blue Edition Razer Naga Epic Logitech Z623 200 Watt 2.1 
  hide details  
Reply
post #6 of 8
Thread Starter 
Quote:
Originally Posted by grossebeaver View Post
It is probably a short or loose cable. But first test the power switch by taking a screwdriver and touching the 2 contacts on the motherboard where the switch is hooked into. If it still fails to power up, a complete tear down/cleaning is probably the best way to make sure nothing is shorting out the board, and all cables are secure.
Did that. It started up but again nothing working.

Quote:
Originally Posted by pioneerisloud View Post
I'd have to agree. This sounds like a dead short somewhere.

It could also be bad / not compatible RAM as well. That will also cause it to turn on and then right back off.
The ram that is in it has been in it before and it ran perfectly. I switched ram around and it still didn't work.

Quote:
Originally Posted by JMT668 View Post
boot it a minimal config no gpu and accessories and 1 stick of ram. try changing the ram stick also. check all cables and check nothing is shorting on the case.
Did that still didn't work.
Big Blue
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
Optical DriveCoolingCoolingOS
SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
CaseMouseAudio
CoolerMaster HAF 942 Advanced Blue Edition Razer Naga Epic Logitech Z623 200 Watt 2.1 
  hide details  
Reply
Big Blue
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k ASUS X79 Deluxe MSI 7970 3GB 4x4GB G.SKILL Ares Series 2133MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Pro 256GB WD Caviar Black 1.5TB Hitachi Deskstar 500GB LG Black BD-ROM 
Optical DriveCoolingCoolingOS
SAMSUNG 22X DVD±R XSPC Rasa RX 360 Kit EK Radeon HD 7970 Liquid Cooling Block Windows 10 Pro 64bit 
MonitorMonitorKeyboardPower
24" ASUS VN247H-P Black 24" ASUS VN247H-P Black Razer BlackWidow Chroma SeaSonic X750 Gold 
CaseMouseAudio
CoolerMaster HAF 942 Advanced Blue Edition Razer Naga Epic Logitech Z623 200 Watt 2.1 
  hide details  
Reply
post #7 of 8
Well, if that is in fact the case then, I'd say the motherboard is shot. Honestly, that's not surprising, as eMachines were known at a time to have faulty motherboards. Just like Dell at one time was known for faulty PSU's. It happens. Get a replacement from eMachines (if possible), or buy a used / new one that would work and possibly overclock a little .
Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
(16 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
  hide details  
Reply
Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
(16 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
  hide details  
Reply
post #8 of 8
tbh i think its shorting on the case mate its the only option if you have tested all other possibleities
Midgard
(12 items)
 
  
CPUMotherboardGraphicsRAM
AMD Phenom II B50 X4 (3.7Ghz) Biostar TA790GX 128M Gainward GTX 260 GS 2X2GB OCZ Gold DDR2 1066Mhz 
Hard DriveOptical DriveOSMonitor
320GB SpinPoint SATAII Black OEM DVD Burner Win 7 Home Premium 64Bit Samsung P2370 23" 
PowerCaseMouseMouse Pad
750Watt Modular Xigmatek Midgard SteelSeries Kinzu SteelSeries OcK 
  hide details  
Reply
Midgard
(12 items)
 
  
CPUMotherboardGraphicsRAM
AMD Phenom II B50 X4 (3.7Ghz) Biostar TA790GX 128M Gainward GTX 260 GS 2X2GB OCZ Gold DDR2 1066Mhz 
Hard DriveOptical DriveOSMonitor
320GB SpinPoint SATAII Black OEM DVD Burner Win 7 Home Premium 64Bit Samsung P2370 23" 
PowerCaseMouseMouse Pad
750Watt Modular Xigmatek Midgard SteelSeries Kinzu SteelSeries OcK 
  hide details  
Reply
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