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PC wont post or boot or anything after stupidly overclocking CPU in BIOS

Go to solution Solved by Orian Pax,

first reseat the ram stick. (use only one stick)
check the hdmi connection.

46 minutes ago, CryoRaid said:

short jumper

you need to short jumper when everything is powered off for at least one minute.
(i use screwdriver's tip).
disconnect everything except keyboard.

(when i say everything it means everything
except
one working ram stick in one working ram slot,
Gpu, aside from CPU fan don't connect any other fans.

yes remove every type of storage, don't even leave boot drive there,)

this is how it should look now -
mobo + stock-cooler/aio + reseated one ram stick+ cpu + GPU + PSU
now boot.
if it works it works if i doesn't well reseat the CPU and try again with above configuration.
(keep an eye on HDMI cable/connection)

 

if all wont work well try different CPU and then different mobo
 

Hello! So I have no idea what I did wrong but clearly it was. I changed my clock speed and voltage for my processor in the BIOS and now my PC wont have any output. USB, video, nothing. It runs (fans and lights) for about 60 seconds before shutting off and starting again, and it does this in a loop. I've reset the CMOS/BIOS many times, properly. (remove power, press power button for a few seconds, remove battery for 1 minute, short jumper for good measure, replace everything. I'm using an Asrock B450 PRO4 and a Ryzen 5 3600. Does anyone have an idea on what to do? Tomorrow night I can borrow a processor if that's something I'll need. I'm trying to prevent buying new parts if I can help it cuz it's really not in the budget.

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first reseat the ram stick. (use only one stick)
check the hdmi connection.

46 minutes ago, CryoRaid said:

short jumper

you need to short jumper when everything is powered off for at least one minute.
(i use screwdriver's tip).
disconnect everything except keyboard.

(when i say everything it means everything
except
one working ram stick in one working ram slot,
Gpu, aside from CPU fan don't connect any other fans.

yes remove every type of storage, don't even leave boot drive there,)

this is how it should look now -
mobo + stock-cooler/aio + reseated one ram stick+ cpu + GPU + PSU
now boot.
if it works it works if i doesn't well reseat the CPU and try again with above configuration.
(keep an eye on HDMI cable/connection)

 

if all wont work well try different CPU and then different mobo
 

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7 minutes ago, Orian Pax said:

this is how it should look now -
mobo + stock-cooler/aio + reseated one ram stick+ cpu + GPU + PSU

Do I want the power cables plugged in when I short the jumper? Either PSU to the wall and/or cables to the mobo

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12 minutes ago, Orian Pax said:

first reseat the ram stick. (use only one stick)
check the hdmi connection.

you need to short jumper when everything is powered off for at least one minute.
(i use screwdriver's tip).
disconnect everything except keyboard.

(when i say everything it means everything
except
one working ram stick in one working ram slot,
Gpu, aside from CPU fan don't connect any other fans.

yes remove every type of storage, don't even leave boot drive there,)

this is how it should look now -
mobo + stock-cooler/aio + reseated one ram stick+ cpu + GPU + PSU
now boot.
if it works it works if i doesn't well reseat the CPU and try again with above configuration.
(keep an eye on HDMI cable/connection)

 

if all wont work well try different CPU and then different mobo
 

This all worked! Thank you so much!!! I reseated the ram, leaving only one stick, and disconnected the drives. Apparently that's what I was missing. Thank you!

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3 minutes ago, CryoRaid said:

Do I want the power cables plugged in when I short the jumper? Either PSU to the wall and/or cables to the mobo

nope, everything unplugged.

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Just now, CryoRaid said:

This all worked! Thank you so much!!! I reseated the ram, leaving only one stick, and disconnected the drives. Apparently that's what I was missing. Thank you!

glad to hear that.😇

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