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Farhan_

Pc wont boot after ram overclock attempt

Alright i fixed it by shorting the cmos jumper

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Posted · Original PosterOP

Long story short, in hopes of reaching higher frequency, I set the ram timings to max and then thought of decreasing them step by step to get the lowest timings and highest frequency. Now pc won't boot up, even after removing and reinserting cmos battery. The fans spin at max speed and pc doesn't 'bootloop' like it used to after a failed oc attempt. One thing I observed that when i press the power button just after reinserting the battery, led's in fans get dimmer for a second then become bright again, otherwise they remain brightest throughout. Pls help me out and thanks.

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you know you could've used the memory calculator and fine tune accordingly right?=x...anyway...did you wait awhile before reinserting the cmos battery?


  • CPU
    AMD Ryzen™ 7 3700X 4.3Ghz (-0.1V)
  • Motherboard
    MSI MEG X570 ACE
  • RAM
    G.SKILL Trident Z Royal Series 32GB (2 x 16GB) F4-3200C16D-32GTRS (3600Mhz CL18)
  • GPU
    GIGABYTE AORUS GeForce® GTX 1060 6G (rev. 2.0)
  • Case
    Tecware Nexus Evo +2 Exhaust Fans(Cooler Master MasterFan MF120R ARGB)
  • Storage
    ADATA XPG SX8100 PCIe Gen3x4 M.2 2280 SSD, ADATA Ultimate SU800 2TB 2.5" SSD, Toshiba X300 4TB 7200 RPM 128MB Cache 
  • PSU
    Cooler Master MWE GOLD 750 FULL MODULAR
  • Display(s)
    Acer KG271B
  • Cooling
    Cooler Master MASTERLIQUID ML240R RGB
  • Keyboard
    MSI Vigor GK80 RED GAMING KEYBOARD
  • Mouse
    Razer Naga Hex Wraith Red Edition Wired Laser Mouse
  • Operating System
    Windows 10 Home
  • Router
    Asus ROG Rapture GT-AX 11000
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Posted · Original PosterOP
1 minute ago, ZephCloud said:

you know you could've used the memory calculator and fine tune accordingly right?=x...anyway...did you wait awhile before reinserting the cmos battery?

I waited for around 2mins. Same thing happens again.

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Just now, Farhan_ said:

I waited for around 2mins. Same thing happens again.

try reseeding the ram again?xD


  • CPU
    AMD Ryzen™ 7 3700X 4.3Ghz (-0.1V)
  • Motherboard
    MSI MEG X570 ACE
  • RAM
    G.SKILL Trident Z Royal Series 32GB (2 x 16GB) F4-3200C16D-32GTRS (3600Mhz CL18)
  • GPU
    GIGABYTE AORUS GeForce® GTX 1060 6G (rev. 2.0)
  • Case
    Tecware Nexus Evo +2 Exhaust Fans(Cooler Master MasterFan MF120R ARGB)
  • Storage
    ADATA XPG SX8100 PCIe Gen3x4 M.2 2280 SSD, ADATA Ultimate SU800 2TB 2.5" SSD, Toshiba X300 4TB 7200 RPM 128MB Cache 
  • PSU
    Cooler Master MWE GOLD 750 FULL MODULAR
  • Display(s)
    Acer KG271B
  • Cooling
    Cooler Master MASTERLIQUID ML240R RGB
  • Keyboard
    MSI Vigor GK80 RED GAMING KEYBOARD
  • Mouse
    Razer Naga Hex Wraith Red Edition Wired Laser Mouse
  • Operating System
    Windows 10 Home
  • Router
    Asus ROG Rapture GT-AX 11000
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Posted · Original PosterOP
1 minute ago, ZephCloud said:

try reseeding the ram again?xD

Of course i tried that. Switched places, tried booting with single stick, nothing works now. The pc booted up until yesterday at least with a single stick

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Posted · Original PosterOP · Best Answer

Alright i fixed it by shorting the cmos jumper

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1 hour ago, Farhan_ said:

Alright i fixed it by shorting the cmos jumper

Lol, I was just about to suggest that. I just finished my RAM overclock yesterday, and I definitely had to clear cmos more than once.

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Posted · Original PosterOP
14 hours ago, Vortex88 said:

Lol, I was just about to suggest that. I just finished my RAM overclock yesterday, and I definitely had to clear cmos more than once.

Yeah removing the cmos battery didn't work. Guess shorting the cmos jumper does something more than just resetting the bios

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