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GA-7VKMLS MOTHERBOARD It starts up but i get nothing on screen how do i reset cmos jumpers?

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You can do it one of two ways:

1. Remove the plug from your computer, then look for the CMOS batter is circular between the size of quarter and a nickel. Remove this and the plug for about 30 secs then put them both back in this should clear it.

2. Most motherboard has a cmos jumper that will clear the bios settings. Check your manual for the exact jumper and setting.

Posted on Mar 07, 2008

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Password for bios


It depends where the machine came from. It may have been put on by the shop that sold it, or a previous owner.

Sadly, I cannot find an online manual for this motherboard (it should be a MCP61PM-GM motherboard), which would lead to how to reset the BIOS. Have a look around the motherboad closely, and see if you can find a switch, or even remove the power and the battery for at least 24 hours.

This is some info I found that may help you:
"Using the Motherboard "Clear CMOS" Jumper or Dipswitch settings Many motherboards feature a set of jumpers or dipswitches that will clear the CMOS and wipe all of the custom settings including BIOS passwords. The locations of these jumpers / dipswitches will vary depending on the motherboard manufacturer and ideally you should always refer to the motherboard or computer manufacturers documentation. If the documentation is unavailable, the jumpers/dipswitches can sometimes be found along the edge of the motherboard, next to the CMOS battery, or near the processor. Some manufacturers may label the jumper / dipswitch CLEAR - CLEAR CMOS - CLR - CLRPWD - PASSWD - PASSWORD - PWD. On laptop computers, the dipswitches are usually found under the keyboard or within a compartment at the bottom of the laptop.
Please remember to unplug your PC and use a grounding strip before reaching into your PC and touching the motherboard. Once you locate and rest the jumper switches, turn the computer on and check if the password has been cleared. If it has, turn the computer off and return the jumpers or dipswitches to its original position.
Removing the CMOS Battery The CMOS settings on most systems are buffered by a small battery that is attached to the motherboard. (It looks like a small watch battery). If you unplug the PC and remove the battery for 10-15 minutes, the CMOS may reset itself and the password should be blank. (Along with any other machine specific settings, so be sure you are familiar with manually reconfiguring the BIOS settings before you do this.) Some manufacturers backup the power to the CMOS chipset by using a capacitor, so if your first attempt fails, leave the battery out (with the system unplugged) for at least 24 hours. Some batteries are actually soldered onto the motherboard making this task more difficult. Unsoldering the battery incorrectly may damage your motherboard and other components, so please don't attempt this if you are inexperienced. Another option may be to remove the CMOS chip from the motherboard for a period of time.
Note: Removing the battery to reset the CMOS will not work for all PC's, and almost all of the newer laptops store their BIOS passwords in a manner which does not require continuous power, so removing the CMOS battery may not work at all. IBM Thinkpad laptops lock the hard drive as well as the BIOS when the supervisor password is set. If you reset the BIOS password, but cannot reset the hard drive password, you may not be able to access the drive and it will remain locked, even if you place it in a new laptop. IBM Thinkpads have special jumper switches on the motherboard, and these should be used to reset the system."

Jul 31, 2011 | eMachines ET1161-05 PC Desktop

2 Answers

Aloha, replaced cmos battery (assumed dead) because emachine hangs on E logo screen and neither option to press F2 (bios settings) or F10 (boot menu) do anything. Tried putting in Recovery media back up...


First of all you should always follow anti-static procedures before doing anything inside a PC. Unplug the power, earth yourself on a door handle, radiator or some metal or even touch the chasis of the PC to earth yourself, then you can start.
Remove the cmos battery again and some where near the battery is the cmos reset jumper, you need to move this jumper to reset cmos and leave it for 10 seconds. Move the jumper back to the previous position and reinsert the battery and all should be well.
Good luck

May 28, 2011 | Computers & Internet

1 Answer

My desktop aspire Ast180. Has been hacked and now when i try to reboot it to log into windows xp. the Bios password is set and hardware password also. Both of which i had left blank. How can I reset them?


The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. Shut down the computer. Remove all power from it. After removing the power cord, wait a few seconds for all the power to drain. Open up the case WITH NOTHING ATTACHED !!! And you can remove the CMOS battery, (silver battery that looks like a quarter) for about 20 minutes or so. If this does not reset the passwords, Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is. If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery.
As far as hardware password, I've never heard of such a thing unless you are referring to the Windows log in password. If it is the Windows log in password try the default "Admin" or there may be an option if you forgot your password. If nothing else, try to boot into safe mode as the administrator and then go to the control panel and under users, select the user that has the password and remove the password. This may or may not work depending on your security configuration in XP.

Jan 12, 2011 | Acer Aspire (AST180-US340B) PC Desktop

3 Answers

Don't reset password BIOS HP DC7100


If you cannot access the machine after if has been powered up, it is still possible to get past the BIOS password. The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard.

Open the CPU casing locate the CMOS battery in motherboard and remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.

On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is. If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper.

This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard.

If all else fails, you may have to clear the BIOS password by resetting the RTC (Real Time Clock) IC (Integrated Circuit) on your motherboard.
Many RTC's require an external battery. If your RTC is one of this type, you can clear the BIOS password just by unsocketing the RTC and reseating it. Good luck!

Oct 04, 2009 | Computers & Internet

1 Answer

When power it on nothing comes up. in front has light 1-4 and only 1 and 2 light up. I have had this problem with other when I plugged in to many usb connections and dell had me reset something on the...


Hi there.
They probably had you clear the CMOS jumper or take the motherboard battery out.
The CMOS jumper looks like this >>>>
82daf9c.jpg
It is the little piece of plastic next to the motherboard battery, if its there move the jumper to the other (on) position for 5 seconds.
If there is not a jumper there take the motherboard battery out for an hour making sure the power cord is removed from the back of the machine.
Please post back if you need anymore advice.

Good luck

Jun 04, 2009 | Dell OptiPlex GX620 PC Desktop

1 Answer

Reset Cmos Settings for Acer Computers


There might be a jumper on your motherboard that's labelled CMOS, or reset... you just have to move the jumper to the other pin combination, power up your PC, then turn it back off and replace the jumper.
If you can't find a CMOS jumper, try unplugging your computer and removing the battery on your motherboard for a few minutes. When you turn it back on, your CMOS should reset to factory defaults.

May 07, 2009 | Computers & Internet

1 Answer

When I turn on my computer nothing happens but the light flashes?


A lightening strike!!!!!! The power surge from a strike could have blown the computer's motherboard and processor. Did you have any surge protection and was the computer on at the time? chances are the computers fried.
There is one last thing you can do, that is remove the side panel from the desktop so you can see the motherboard, you will see a battery like this >>ecb2000.jpg. Near to the battery you will see a plastic "jumper" this will reset the cmos if you move it to the other position, turn the pc on, if nothing happens the cmos has been cleared, put the jumper back in its original position and start the computer again, if you still get nothing them some if not all the components inside the computer has been fried.

Good luck

Feb 13, 2009 | HP Pavilion 514n PC Desktop

4 Answers

How do i reset CMOS on kv8 pro? getting POST code 25 comp not booting up, tried replacing ribbon cable, also unplgged keyboard. HELP!!!


unplug your computer, then you will find a small battery on the motherboard, this is a small silver disk shape. you need to remove this by pressing the clip to its side, this lets it spring free. you then need to locate the cmos jumper. this is a 3 pin stand off with 2 pins already covered by a plastic sleeve. remove the sleeve and place it over the other two pins, wait a few seccons then put everythinbg back to the way it was. put the jumper back in its origional position and re-attach the battery making sure it is the right way up. plug in your system and give it a try.

Dec 28, 2008 | Computers & Internet

1 Answer

Start up no response on screen


OPEN THE CASE A REMOVE THE CMOS BATTERY FOR 3-5 MINUTES THAT SHOULD RESET THE CMOS TO DEFAULT SETTINGS. OR GO INTO THE BIOS AND SET TO DEFAULT SET UP.OR DEFAULT SETTING AND REBOOT.YOU MAY ALSO HAVE A CMOS RESET JUMPER.CHECK MANUAL FOR MOTHERBOARD.AND FOLLOW THOSE DIRECTIONS.RICHARDM69

Nov 30, 2008 | Acer Aspire M1640 Refurbished Intel...

1 Answer

Can't get pass the blackscreen password


That is the BIOS password





Using the Motherboard "Clear CMOS" Jumper or Dipswitch settings
Many motherboards feature a set of jumpers or dipswitches that will clear the CMOS and wipe all of the custom settings including BIOS passwords. The locations of these jumpers / dipswitches will vary depending on the motherboard manufacturer and ideally you should always refer to the motherboard or computer manufacturers documentation. If the documentation is unavailable, the jumpers/dipswitches can sometimes be found along the edge of the motherboard, next to the CMOS battery, or near the processor. Some manufacturers may label the jumper / dipswitch CLEAR - CLEAR CMOS - CLR - CLRPWD - PASSWD - PASSWORD - PWD. On laptop computers, the dipswitches are usually found under the keyboard or within a compartment at the bottom of the laptop. Please remember to unplug your PC and use a grounding strip before reaching into your PC and touching the motherboard. Once you locate and rest the jumper switches, turn the computer on and check if the password has been cleared. If it has, turn the computer off and return the jumpers or dipswitches to its original position.
Removing the CMOS Battery
The CMOS settings on most systems are buffered by a small battery that is attached to the motherboard. (It looks like a small watch battery). If you unplug the PC and remove the battery for 10-15 minutes, the CMOS may reset itself and the password should be blank. (Along with any other machine specific settings, so be sure you are familiar with manually reconfiguring the BIOS settings before you do this.) Some manufacturers backup the power to the CMOS chipset by using a capacitor, so if your first attempt fails, leave the battery out (with the system unplugged) for at least 24 hours. Some batteries are actually soldered onto the motherboard making this task more difficult. Unsoldering the battery incorrectly may damage your motherboard and other components, so please don't attempt this if you are inexperienced. Another option may be to remove the CMOS chip from the motherboard for a period of time. Note: Removing the battery to reset the CMOS will not work for all PC's, and almost all of the newer laptops store their BIOS passwords in a manner which does not require continuous power, so removing the CMOS battery may not work at all. IBM Thinkpad laptops lock the hard drive as well as the BIOS when the supervisor password is set. If you reset the BIOS password, but cannot reset the hard drive password, you may not be able to access the drive and it will remain locked, even if you place it in a new laptop. IBM Thinkpads have special jumper switches on the motherboard, and these should be used to reset the system

Aug 15, 2008 | Computers & Internet

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