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Please clear cmos if system no display after overclocking

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CPU Overheated
If the system shutdown automatically after power on system for seconds, that means the CPU protection function has been activated. When the CPU is over heated, the motherboard will shutdown automatically to avoid a damage of the CPU, and the system may not power on again.

In this case, please double check:
1. The CPU cooler surface is placed evenly with the CPU surface.
2. CPU fan is rotated normally.
3. CPU fan speed is fulfilling with the CPU speed.

After confirmed, please follow steps below to relief the CPU protection function.
1. Remove the power cord from power supply for seconds.
2. Wait for seconds.
3. Plug in the power cord and boot up the system.

Or you can:
1. Clear the CMOS data.
2. Wait for seconds.
3. Power on the system again.

If after clearing the CMOS you still have no display, you may have damaged your motherboard, CPU, or RAM. If you need further assistance with this Motherboard, let me know.

Posted on Mar 25, 2011

  • Abinash Mazumdar
    Abinash Mazumdar Nov 15, 2013

    Hey Jeremy I tried formatting the PC and installed WINDOWS XP and it worked fine last nite after the installation but when I opened it this morning windows fail to run. It has been 3 times now I'm facing it

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Posted on Jan 02, 2017

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1 Answer

WARNING !! please clear CMOS if system no display after overclocking. how to fix it ?


remove the cmos battery for sometime (min 5 mins) and try again. If it still occurs then search for the CLR_CMOS jumper on the motherboard. switch positions and check. remove the jumper and check also. it should work. most cases removing the cmos battery works

Apr 08, 2013 | Biostar G41-M7 Motherboard - Socket 775,...

1 Answer

I cant overclock my system but i go to bios now whati had to do


The BIOS. Overclocking is best done in the computer's BIOS (Basic Input/Output System or Binary Integrated Operating System). There are also some motherboards that let you do a basic increase in power by setting a jumper, but this is dangerous and you have no real stability control.


There are some software programs available which allow you to overclock inside the operating system, but the best results are achieved by changing BIOS settings. Usually you can get into your BIOS by pressing DEL (some systems may use F2, F10, or Ctrl-Enter) as soon as your computer begins the POST

(Power On Self Test - when it shows the RAM size, processor speed, etc.).


Here, you can change your FSB (front side bus), memory timings, and your CPU multiplier (also referred to as CPU Clock Ratio).

Clearing your CMOS. Sometimes, an overclock can become unstable. If this happens, or your computer will not boot, you will need to reset the BIOS back to default and start over again.


This is done by clearing the CMOS (a small piece of memory on the motherboard which stores your BIOS configuration, and is powered by a small battery). Some newer motherboards will bypass user settings in the CMOS if the computer fails POST (often caused by a faulty overclock). However, most motherboards require a manual clear.


This can be done in two ways, depending on your motherboard. The first way is by changing the position of the clear CMOS jumper on your motherboard, waiting a few minutes, then repositioning the jumper to its original place.


The CMOS Jumper

The second way, if your motherboard doesn't have this jumper, consists of unplugging your computer, removing the little CMOS battery, then pressing the power button (your capacitors will discharge), and waiting a couple of minutes.


Then you have to refit the battery and plug in your computer. Once your CMOS is cleared, all BIOS settings are reset back to default and you'll have to start the overclocking process all over again. Just so you know, this step is only necessary if your overclock becomes unstable.


Locked or Unlocked. The first thing to know when you start the process of overclocking, is whether your processor is multiplier locked or unlocked.

To check whether your CPU is locked, lower your multiplier via the BIOS one step, for example from 11 to 10.5. Save and exit your BIOS and your computer will restart.


If your computer posts again and shows the new CPU speed, it means your CPU is unlocked. However, if your computer failed to post (screen remains black) or no CPU speed change is present, this means your multiplier is locked


Multiplier Unlocked Processors. Usually, your max overclock is limited by your memory, or RAM. A good starting place is to find the top memory bus speed in which your memory can handle while keeping it in sync with the FSB. To check this, lower your CPU multiplier some steps (from 11 to 9, for example) and increase your FSB a few notches (e.g.: 200 MHz to 205 MHz).


After this, save and exit your BIOS. There are a few ways to test for stability.

If you make it into Windows, that is a good start. You can try running a few CPU / RAM intensive programs to stress these components. Some good examples are SiSoft Sandra, Prime95, Orthos, 3DMark 2006 and Folding@Home.


You may also choose to run a program outside of Windows, such as Memtest. Load a copy of Memtest onto a bootable floppy, then insert the disk after you have exited the BIOS.

Continue to increase your FSB until Memtest starts reporting errors. When this happens, you can try to increase the voltage supplied to your memory.


Do note that increasing voltages may shorten the life span of your memory. Also, another option is to loosen the timings on the memory (more on this a bit later). The previous FSB setting before the error will be your max FSB. Your max FSB will fully depend on what memory you have installed. Quality, name-brand memory will work best for overclocking.


Now that you know your max FSB, you'll figure out your max multiplier. Keeping your FSB @ stock, you raise your multiplier one step at a time. Each time you restart, check for system stability. As mentioned above, one good way to do this is by running Prime95.


If it doesn't post (reread the section about clearing the CMOS), or Prime 95 fails, you can try to raise the core voltage a bit. Increasing it may or may not increase stability. On the other hand, the temperature will also be increased. If you are going to increase the core voltage, you should keep an eye on temperatures, at least for a few minutes.


Also note that increasing voltages may shorten the life span of your CPU, not to mention void your warranty. When your computer is no longer stable at a given multiplier setting, lower your multiplier one step and take that as your max multiplier.


Now that you have your max FSB speed and your max multiplier, you can play around and determine the best settings for your system. Do note that having a higher FSB overclock as opposed to a higher multiplier will have a greater impact on overall system performance.


http://www.pcadvisor.co.uk/news/index.cfm?newsid=107977


hope this helps

May 30, 2012 | Computers & Internet

1 Answer

Please clear cmos if system no display after overclocking


Take out the battery for 15 minutes with the pc unplugged from the mains - it's the upright round one next to the video slot

Jun 30, 2011 | Biostar G31-M7 TE Motherboard

1 Answer

Please clear CMOS if system no display after overclocking


There are a few software which can also reset/clear CMOS settings or BIOS password or both within a few clicks. But you should have access to a system which is turned on and should have access to MS DOS or MS Windows:try this software or download it if you don't have...

KillCMOS

CmosPwd

then follow instructions on how to,,from the link site



goodluck..

Feb 20, 2011 | Biostar Computers & Internet

1 Answer

Please clear cmos is system no display after overclocking


Remove the CMOS (coin-cell) battery from the motherboard for a few seconds. This will restore the BIOS to the default settings.

CreativeTECH

Jan 17, 2011 | Computers & Internet

1 Answer

System fail due to cpu overclocking, voice message on reboot, after turning the adaptive overclocking feature on in the bios. I cannot clear cmos and get back into bios to turn it off again. I have tried...


Disconnect the power cable, press and hold the power button. Open the case, remove the cmos battery and short the cmos battery connectors (just touch both the metal tabs center and edge at the same time) with a screwdriver. Replace cmos battery, reconnect the power and power on. This should reset the BIOS to default settings.

Apr 01, 2009 | ASUS A8V Deluxe Motherboard

1 Answer

System failure due to cpu overclocking - voice message


check ya system is not to overclocked and reinstall ya system settings and check ya virus settings and possibly ya os

Apr 01, 2009 | Abit AV8-3rd Eye Motherboard

1 Answer

Chassis intruded!!


Clear RTC RAM (CLRTC)

This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to reenter data.

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMDS, reinstall the battery.

You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R) feature. Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values

Mar 18, 2009 | ASUS P5V800-MX Motherboard

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