Question about Toshiba Satellite M45-S165 Notebook

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Locating the cmos battery in a toshiba satellite m45-s165

I have gone thru all the software and bios related remedies to fix the internal clock, it appears that it is actually the cmos battery that needs to be replaced. I have disassembled the computer and now I can not locate the battery. Please any help would be appreciated.

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I disassembled my lap top toshiba m45 s165 and when i put it together it wouldn't start? why's that? i did not take tha cd rom or anything else it went same way i took it apart.

Posted on Jan 22, 2010

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Hi,
If you have disassembled your toshiba unit, and you are somewhat new in electronics, you cannot see the battery similar to other PC, bcoz its battery is somewhat soldered, and the only things you migt notice is its two colored wire (black and red) attached to a round, flat, insulated (wrapped with insulation) battery.

Posted on Dec 31, 2007

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2 Answers

Battery dead & BIOS reset. CD & DVD drives lost.


first you will need to replace the cmos on the system board(or have a qualified computer service tech. do it). then you will need to access the bios settings by Pressing F1 immediately after powering on the computer. once in the bios, you can set the correct date and time. Also, you will need to check the drive settings to verify that the hard drive and any CD/DVD drives are recognized. once done, then exit the BIOS being sure to chose "save and exit", then allow your PC to boot normally. this should fix your date and drive issues. if not then the motherboard may be defective.

Dec 29, 2013 | Computers & Internet

1 Answer

X7DBI+ bios password


Hello here is the homepage:

http://www.supermicro.com/products/motherboard/xeon1333/5000P/X7DBE.cfm

Remove the cmos battery on the mainboard for like 15 min. and inset the battery again.

This will clear the bios and remove the password.

But you have to setup the bios clock, date, boot settings, when the pass is gone.

The cmos battery look like this:


1_12_2013_2_47_20_am.jpg

Please take antistatic precautions when working on the maniboard.

Good luck

Jan 12, 2013 | SuperMicro X7DBi+ Motherboard

2 Answers

I get the message "Bad check sum (CMOS)" Model toshiba tecra 730XCDT


hi friend,

Probably a dead Motherboard battery. Need to enter the BIOS screens and reset values. Especially the time and date. Maybe the boot order and if using USB KBoard enable legusy USB devices. This will occur each time your friend shuts down and reboots until the battery is changed.
Issue
When you turn your Toshiba computer on, you see an error message like: **** Bad RTC battery ****
**** Bad Checksum (CMOS) ****
Check system, then press [F1] key The Real Time Clock (RTC) battery provides power for the internal clock/calendar and for maintaining system configuration settings.
This error can occur when a machine has been left turned-off for an extended period of time (around a month), and is the result of a depleted RTC battery. Other symptoms include not being able to execute Windows Update properly, errors/problems executing application software (like Norton Antivirus), and the appearance of the Windows XP "Desktop Clean Wizard".
Resolution This condition is easy to fix in 3 basic steps: Reset the BIOS defaults
Set the correct date and time in Windows.
Charge the RTC battery Please follow the detailed instructions in the next section.
Procedure Set BIOS defaults Press the [F1] key as instructed in the error message:
**** Bad RTC battery ****
**** Bad Checksum (CMOS) ****
Check system, then press [F1] key In the BIOS setup screen press the [Home] key to restore the default values, then press the [End] key to save and exit, then the [Y] key to confirm and restart the system. Set the correct date and time in Windows As Windows starts-up, you may see an error message about an "Invalid System Time". Go ahead and click "OK" to clear the error dialog. Open the Windows Control Panel and open the "Date and Time" control by double-clicking its icon. Set the correct date and time, then click OK to save. Charge the Real Time Clock (RTC) battery To charge the RTC battery, connect the AC adapter and turn the computer on (both the DC IN and Power LEDs must be green). Leave the machine on for approximately 24 hours to ensure a full charge in the RTC battery. Please note that the RTC battery does not charge while the PC is turned off, regardless of whether the AC adapter is connected or not. Other Information: If, on subsequent reboots, the "Bad RTC Battery" error persists, it's quite likely that you actually do have a bad RTC battery. If that's the case, you should contact a Toshiba Authorized Service Provider to have the system serviced. Windows XP Desktop Cleanup Wizard The first time you reboot Windows XP after resetting the system clock, Windows XP may try to run the "Desktop Cleanup Wizard". Simply Cancel the "Desktop Cleanup Wizard" at the first dialog. If you do manage to clean your shortcuts from the desktop and want to recover them, you will find them in a folder called "Unused Desktop Shortcuts". You can recover them as follows: Double-click to open the "Unused Desktop Shortcuts" folder
Click to expand the "Edit" menu, and click "Select All"
Drag the selected items back to your desktop
Close the "Unused Desktop Shortcuts" folder. You can delete this folder if it is empty.

thank u for using fixya

regards,
sivaranjini

Aug 10, 2009 | Toshiba Tecra 730CDT Notebook

4 Answers

My R40 Thinkpad loses the system date & time after being shut down for a while. However it does not lose it if only shut down for a few minutes. Any ideas please?


you need to change your cmos cell on motherbord circuit for that open back side cover and then you can see cmos cell on motherbord circuit.Change it pur chase new cmos cell.
Your old cmos cell has not enough waltage so your bios settings are not saved when you turn off the power.

Jul 16, 2009 | IBM ThinkPad R40 2722 Notebook

3 Answers

Turn on computer and message reads ****bad check sum (CMOS) ****


That means that after computer had been off for a long time the CMOS battery has drained, and CMOS (BIOS) settings had been reset to default.

Usually the computer will work fine after pressing F1, but you may get wrong date and time.

Try charging battery completely, often the problem disappears, if it does not , then the choice is between pressing F1 each time you start the laptop, or disassembling the laptop and replacing CMOS internal coin battery, located on the lower side of the motherboard.

May 17, 2009 | Toshiba Satellite 1805-S204 Notebook

2 Answers

Date/time


there is a problem with the cmos, it needs to cleared and a new cmos battery also, if the batterys dead it can't remember the date, if its stuck on the time and date the cmos needs clearing so it can boot

kind regards and please don't forget to rate us

Dec 12, 2008 | IBM ThinkPad A21m 2628 Notebook

2 Answers

Cmos settings


CMOS is a memory chip on your computer that stores BIOS information as well as system clock. It powered by a 3V backup battery. If your computer is more then 3 years old it is possible that the backup battery on your PC needs to be replaced. Replace your battery then go to BIOS setup and adjust your date and time. But it is also possible that the clock is a bit off, so first your can just try to adjust your clock without replacement of the battery. You can also do it inside the windows from control panel. Be sure you have a correct time zone.

Good Luck!

Jun 08, 2008 | Intel Motherboard

4 Answers

Cmos checksum bad...usb current status detected system shut down 15 sec


Situation Remedies If you have encountered this error and would like to fix your computer, here are some remedies for each situation:
CMOS Battery Not Functioning Properly: If you suspect your CMOS battery is not functioning properly you can easily change it. Before changing your battery, reboot your computer to make sure that the error still exists. If it does, go into your CMOS and write down all of the settings. If all settings are lost, you can usually get them from your computer manufacturer. Now locate the battery and remove it, you might need to consult your computers manual or tech support to remove your battery. Take down the CMOS batteries information such as volt, size, etc. Once you have your new battery, you can replace it and reenter your CMOS settings. If your battery was the cause of the CMOS Checksum Bad Error, you should have remedied the problem.
Your BIOS has Been Updated (either by you or possibly a virus): If your BIOS has been updated recently, your CMOS settings may have become reset. Make sure that the values entered in the BIOS are correct or simply reset them to the default settings. If you believe that a virus updated your BIOS settings, run a virus scan and make sure that the BIOS settings are back to the default.
The Computer Was Shut Down Improperly: Sometimes when running MS Windows, if you shut down your laptop or desktop without first properly shutting down your operating system it will corrupt the CMOS settings causing the CMOS Checksum Bad Error. You can easily avoid this error by making sure that you completely shut down your computer before turning off the power. Usually this entails going into the Start Menu/ Turn Off Computer/ Shut Down. If you received the error, shut down the computer properly, if this is the cause of the error, the error message will not return.

May 11, 2008 | ASUS M2N-MX Motherboard

1 Answer

BIOS Clock Error


Update the BIOS or CMOS it should be fine after that.

Sep 09, 2007 | Compaq Presario 1275 Notebook

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