Question about Lenovo R61 T7300 Notebook

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I have a gigabyte g945 motherboard when i power on my pc in the morning it is not powering on. i have also changed the cmos battery but still the problem is persisting along with me can anybody help me to give a better solution to solve this kind of problem.

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-check the power suply cable
-make sure the on/off button isn't damaged
-check the motherboard for any burn out chips
-make sure the currant is actully running thru all circuits
-check the parts that could die and cause this: processor unit, memory units (not the hdd), cables and connections

Posted on Feb 23, 2009

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2 Answers

My system is password locked and I cannot remember the bios password


You cannot bypass the password security yourself. If you could there would be no point in having password security on all our devices.

Jan 13, 2016 | PC Laptops

1 Answer

Wont power up


there is may be 2 problems
1. check your CMOS battery. may be that battery is discharge. if yes you have to replace it.
2. may be your processor is not seance by your motherboard. in that condition you have to repair your motherboard.

Jan 03, 2013 | HEWLETT-PACKARD HP G72261US Notebook

1 Answer

I have a used dell laptop. It wouldn't boot so I went into the boot sequence utility. It has the primary boot path as NIC CARDBUS. I wen to change it and there is a password on it. I have no idea


The most common way that most of us know on how to reset or clear the BIOS password is to

physically remove the power from the computer by disconnecting the power plug and then

removing Cmos battery for 30 minutes from the motherboard.


You need to open the PC case, then look for a 20mm (3/4") shiny lithium button cell.

some motherboards cmos batteries are soldered in


Another way is to reset the clear CMOS jumper on the motherboard itself.

Both of the 2 methods mentioned works because most motherboards use a battery to sustain the

BIOS/CMOS settings for the motherboards PROM chip.

So by cutting off the battery power, the BIOS/CMOS settings will be erased.

cmos battery Under the keyboard or bottom of laptop -

If you are working on a laptop computer the location of the dipswitch

(almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.


http://www.corenetworkz.com/2009/08/forgot-bios-passowrd-how-to-reset-bios.html

hope this helps

Jul 14, 2012 | Dell Inspiron 2200 Notebook

1 Answer

I have a wipro desk top. the date and time setting changes when ever i switch off and again switch on the power from main electric supply.


Your CMOS battery needs to be changed. When you start the computer you put the information in or it resets to a default value when you disconnect power that clears the CMOS memory as though it had never been turned on before. The CMOS battery is on the motherboard so you will have to open the machine up. It normally looks like a large watch battery a little larger than a nickel and a little thinner.

Oct 05, 2011 | Dell Latitude D600 Notebook

1 Answer

Forgot my password


In computing, BIOS (basic input output settings) refers to the information stored regarding a computer's hardware configuration, the system date and time and any applied password. This information is known as the BIOS or CMOS settings--the BIOS is stored on a small battery-powered semiconductor chip known as the CMOS (complementary metal oxide semiconductor). Having a CMOS or BIOS password restricts unauthorized changes to the system's hardware configuration and, in some computers, may even be required for booting. A lost password may be reset by removing the CMOS battery, clearing the motherboard jumper or using a software-based password cracker.

1.Shut down the laptop and unplug its power cord from the wall outlet. Remove the battery cover under the laptop and gently raise the battery from its dock. Unplug any peripheral devices with a live power source connected to the laptop, such as a modem or printer.
2.Locate and remove the CMOS battery. Refer to your user manual or visit the manufacturer's website for your laptop's architecture. Follow manufacturer recommended procedure to access and remove the CMOS battery. Depending on make and model, this procedure may be more involved for some laptops and not others. The CMOS battery is a flat circular shape and resembles a watch battery.
3.Wait 30 minutes and then put the battery back in. This will erase all information stored in BIOS. Assemble the laptop, making sure you leave no loose connections. Power up the laptop and press "F1" when you get the "CMOS cheksum error" message. Type in a new password.

Clearing CMOS Jumper

1.Turn off the laptop and access the motherboard following recommended procedures.
2.Locate the jumper in the motherboard. If you do not have your motherboard documentation, locate a single jumper near the CMOS battery. In some laptops, the jumper may also be labeled in the motherboard. Put the jumper setting to "Clear" and reassemble the laptop.
3.Turn on the computer and hit "F1" when the "CMOS checksum error" message is displayed. Navigate through the BIOS settings interface to load default settings and apply a new password.

Using Password Remover

1.Download a software-based BIOS password cracker. There are numerous free programs able to recover or delete CMOS or BIOS passwords from virtually all motherboard brands. Download the file from a trusted source and save it to the desktop.
2.Burn the installed file to a CD using image burner software. Insert the CD and access the password remover tool.
3.Note the password or use the program to set a new password.

I hope you find it very helpful. Thank you.

Aug 22, 2011 | Acer Aspire One PC Notebook

1 Answer

AFTER SWITCHING ON, SCREEN STAYS FROZEN AFTER SAYING CMOS CHECKSUM ERROR- DEFAULTS LOADED


Hi there,

When starting your PC, the following error message is displayed:

CMOS wrong
CMOS MEMORY size WRONG
CMOS Checksum Bad
CMOS checksum error defaults loaded
Warning! CPU has been changed please re-enter cpu settings in the cmos setup and remember to save before quit!
You are prompted to:

Press F1 to resume
Press F2 to load default values and continue


This is due to the fact that the CMOS, which contain data related to the BIOS, has been reinitialized and that your PC has been reset to factory settings.

Solutions:

Reinitializing the BIOS
  • Change BIOS battery
    • If the problem persist this may be due to the fact that the battery powering the CMOS (when the computer is shut down allows the CMOS to store information), is depleted.
    • The CMOS battery is a small pin found on the mother board, you can refer to the manual provided with your motherboard to change it or have the nearby computer technician change it for you if you don't want to risk any damage.
    • More information with: Replacing the battery of your motherboard (CMOS battery)
Post back if it is not working we will be happy to help you.
Hope this helps.
Cheers!!!!

Jan 12, 2011 | Sharp Actius PC-RD10 PC Notebook

4 Answers

When I turn my computer on, I get an istant error message: CMOS setttings error. Any idea what to do?


I THINK YOUR MOTHERBOARD BATTERY MAY BE DAMAGED OR DOWN. YOU HAVE TO REPALCE THE BATTERY AND TRY AGAIN TO START THE PC.

Oct 03, 2009 | Fujitsu Siemens AMILO Pro V2010 Notebook

1 Answer

Clear cmos on acer aspire m5100 desktop


There are 2 ways to clear CMOS on any desktop PC.

1st There will be a set of 3 pins near the motherboatd battery with a jumper across them. Move the jumper over and wait 30 secs then move back. Remember to remove the power cable first.

If you can't find the CMOS pins and jumper then remove the power cable and also the 24 pin motherboard power connector and the motherboard battery and leave for 24 hrs.

Replace battery etc and away you go.

Why do you want to clear the CMOS?

Jul 17, 2009 | Acer Aspire 5100 Notebook

3 Answers

Power problem


Hi Odek, You have to short the CMOS reset pins on the motherboard. You can find the location of these 2 or 3 pins on the motherboard manual. For Enisco's problem the monitor power cable is not properly earthed. You can either earthed it by connecting a wire from any conductive part of the monitor to a earth pin on the wall plug or something conductive near the monitor like a will sill. I would probable change the wall plug or the faulty power board. regards

Jun 07, 2008 | Dell Inspiron 5160 Notebook

3 Answers

Startup password forgotten


Did you remove all other power supplies from the computer, like the battery and AC adaptor. try this again, only leave the CMOS Battery out for 2-3 Minutes, with no other power supplies attached.

Jan 11, 2008 | HP Compaq Evo Notebook N600c

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