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Weird issue powering on, help!

post #1 of 3
Thread Starter 
I went to start my PC yesterday, only to find that it hadn't shut completely off from the night before. Screen was off but all fans were spinning.

The PC turns on by itself after switching the PSU on, and some fans will turn on, as well as LEDs on the mobo, but the GPU fans don't turn on (but the GPU LEDs are) and there's no debug codes at all. Also, the LED on my Corsair H80i block doesn't light up.

Weirdly, I found a way to make it boot. If i hold the power button down, then turn on the PSU, but then release the power button (I had been holding down), then my PC boots normally. It runs games, stress tests just fine.

What I've tried:

1. Replaced the PSU. The previous PSU's fan didn't spin up at all, making think it was the PSU. New PSU hasn't helped.
2. Taken out all components leaving just one RAM stick, CPU and GPU.
3. Taken out the battery for several minutes.

So is my board dead, or is the CPU, or maybe something to do with the power switch? What could be causing it to turn on automatically?
Edited by GoneTomorrow - 7/7/16 at 2:54pm
Brick Sh*thouse
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Brick Sh*thouse
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Samsung 840 120GB SSD Nope Itty-Bitty Fans and Heatsinks Windows 10 Professional 64-bit 
MonitorKeyboardPowerCase
LG 12.5" 1366x768 IPS Lenovo Keyboard Lenovo 90W AC Adapter Lenovo X Series ThinkPad Chassis 
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post #2 of 3
4F = memory issues?

Try boot with one stick at a time.

What board is it? The manual may contain information about the status code 4F to give you more of an idea.
Ol'Faithful
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Ol'Faithful
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post #3 of 3
Thread Starter 
Yes, I tried it with one stick (tried two different ones) in all doesn't slots. The board is an Asus Maximus V Gene, latest BIOS.

The manual is no help unfortunately, doesn't list debug codes. What I found Googling is that 4F is "DXE-IPL started" but can't find out what that means exactly.
Edited by GoneTomorrow - 7/7/16 at 2:55pm
Brick Sh*thouse
(26 items)
 
   
CPUMotherboardGraphicsRAM
Intel i5 2520M Lenovo ThinkPad X220 Intel i5 Motherboard 04W2109 Intel HD3000 Crucial 4x2 GB DDR3 PC1333 
Hard DriveOptical DriveCoolingOS
Samsung 840 120GB SSD Nope Itty-Bitty Fans and Heatsinks Windows 10 Professional 64-bit 
MonitorKeyboardPowerCase
LG 12.5" 1366x768 IPS Lenovo Keyboard Lenovo 90W AC Adapter Lenovo X Series ThinkPad Chassis 
MouseMouse PadAudioOther
Logitech M510 Desk Conexant 1 Watt Stereo Speakers Lenovo TrackPoint 
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Brick Sh*thouse
(26 items)
 
   
CPUMotherboardGraphicsRAM
Intel i5 2520M Lenovo ThinkPad X220 Intel i5 Motherboard 04W2109 Intel HD3000 Crucial 4x2 GB DDR3 PC1333 
Hard DriveOptical DriveCoolingOS
Samsung 840 120GB SSD Nope Itty-Bitty Fans and Heatsinks Windows 10 Professional 64-bit 
MonitorKeyboardPowerCase
LG 12.5" 1366x768 IPS Lenovo Keyboard Lenovo 90W AC Adapter Lenovo X Series ThinkPad Chassis 
MouseMouse PadAudioOther
Logitech M510 Desk Conexant 1 Watt Stereo Speakers Lenovo TrackPoint 
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Lenovo TouchPad 
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Reply
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