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Need the Motherboard to battery pin connection

Battery not working without this small part

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Toshiba satellite c655 won't power up


Take off the top keyboard and power lid. Check for damage to the power flex cable. Plug in AC adapter. The port where connected power flex cable should have two or three pins. With small screwdriver try two-pin jumper shortly. Does not turn on again? All you need to replace the motherboard

Oct 04, 2013 | PC Laptops

1 Answer

Will a laptop work without the cmos battery?


Typically, the solder points on motherboard components are so small that only robots and people with mad skillz and small hands can solder the components onto the motherboard without shorting something out or overheating another adjacent, small component. As to whether the mobo should work without the battery bracket or not, that would likely vary from motherboard to motherboard, and no, it NOT something that is likely to be covered in the motherboard users manual. Only the designers of the motherboard would likely know the answer to that question, and they might not know for sure without trying it (they probably never thought to wonder on that question). It's definitely not *designed* to run without that bracket on there, but you may get lucky and it may work without it. But you probably just ruined your motherboard. Sorry to be the bearer of bad news.

Mar 01, 2012 | Toshiba Satellite A105 Notebook

1 Answer

My bios is asking for a password on startup but ive never set one. Also ive herd of using a jumper to sort a soder on the back of the motherboard to reset bios,and ive seen it work but ive not seen it...


Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.

When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.

Make sure to turn the PC off before opening the cabinet and resetting the jumper


or

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.

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. 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.


When inside the computer please be sure you're aware of the potential damage that can be caused by esd

Dec 30, 2010 | Toshiba Satellite A135-S4487 Notebook

1 Answer

I need the backdoor password for the bios. Or a key seq. to remove or reset the bios password.


Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.

When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.

Make sure to turn the PC off before opening the cabinet and resetting the jumper

or

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. 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. 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

Dec 30, 2010 | Acer Aspire 3000 Notebook

2 Answers

Unable to reset bios password - removing coin cell battery had no effect


Then you can try it out by removing the jumper.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password.
The location of this jumper varies depending upon the motherboard brand.You should read your motherboard
manual to check its location.If you don't have the manual then look for the jumpers near the CMOS battery.
Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS etc.When you find the jumper,look carefully.
There will be 3 pins and the jumper will be joining the center pin to either left or right pin.What you need to
do is remove the jumper and join the center pin to the opposite pin.e.g.if the jumper joins center pin to left pin
then remove it and join center pin to right pin.Now wait for a few seconds and then again remove the jumper and join
the center pin to left pin.Make sure to turn the PC off before opening the cabinet and resetting the jumper.

Feb 02, 2010 | Dell Inspiron 1501 Notebook

3 Answers

Please help me reset my bios password on acer travelmate 2410


First you need to remove the laptop battery at the back side. Find some screw there and remove it locate the CMOS battery and jamper.

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. 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.

Oct 08, 2009 | Acer 4220-2346 Notebook

1 Answer

Bios reset for ibm thinkpad 570


If you have forgotten your BIOS or system password, there are no software tricks or magical gimmicks that will get the password cleared. Laptops are different in that they are designed to not work with “backdoors” etc. for security reasons. There is one true way that works most of the time and that is hardware.
The Cmos (RTC) battery that is mounted on the motherboard in most cases holds the key, if your motherboard has the battery that is connected to the motherboard by using a two wire socket that plugs into the MOBO, then here is the procedure.
On the motherboard where the battery plugs into, you will see two pins sticking straight up, these engage the plug on the battery side. These two pins have to be “shorted” and then the motherboard powered up for approx. 30 seconds, then power down the system and replace the Cmos battery and reboot. Your password problem should be cleared up. The best way to “short” the pins is get another cmos battery and cut the wires from the battery part, bare the ends and twist together, this will short the pins. Make sure you tape the connection good on the jumper you just made….don’t want to touch anything else with powered up bare wires. Good luck.

Sep 27, 2009 | IBM ThinkPad 570 Notebook

1 Answer

Acer 5610z need to locate cmos battery for bios password reset


If you have forgotten your BIOS or system password, there are no software tricks or magical gimmicks that will get the password cleared. Laptops are different in that they are designed to not work with “backdoors” etc. for security reasons. There is one true way that works most of the time and that is hardware.
The Cmos (RTC) battery that is mounted on the motherboard in most cases holds the key, if your motherboard has the battery that is connected to the motherboard by using a two wire socket that plugs into the MOBO, then here is the procedure.
On the motherboard where the battery plugs into, you will see two pins sticking straight up, these engage the plug on the battery side. These two pins have to be “shorted” and then the motherboard powered up for approx. 30 seconds, then power down the system and replace the Cmos battery and reboot. Your password problem should be cleared up. The best way to “short” the pins is get another cmos battery and cut the wires from the battery part, bare the ends and twist together, this will short the pins. Make sure you tape the connection good on the jumper you just made….don’t want to touch anything else with powered up bare wires. Below is the link to your service manual that will point everything out to you. Good luck.

http://tim.id.au/laptops/acer/aspire%205610%20travelmate%204200.pdf

Sep 24, 2009 | Acer Aspire 5610-4648 Notebook

2 Answers

Dell inspiron 1300 wont work from the AC adapter


Is the laptop working without the battery, directly on AC. Have you tried using another charger or battery to see if its charging.

Jan 28, 2009 | Dell Inspiron 1300 Notebook

3 Answers

CMOS battery bad


Acer TravelMate 225X solution:
The battery type CR2032 (Lithium, 3V, 20mm/3.2mm) is the same as mentioned in solution #1 but you must use a cell with connected wires and a 3-pin connector. It is hard to buy. A workaround is (1) to use the battery with connected tabs or (2) the battery holder (maybe BH1060 or similar). Original wire and connector from old battery must be cut out and soldered to new battery tabs or holder pins. Remember polarity - note the wire colors.

The battery position is under keyboard in the central position between the PCMCIA slot and the CD-ROM slot. Remove the strip cover near the display, slide the keyboard in the direction of display and lift it up.

Oct 09, 2007 | PC Laptops

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