Question about Toshiba Satellite A105 Notebook

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System time clock looses time

Loss of system time.. the clock looses hours every few minutes that it's on. would like to know where the rtc battery or cmos battery is located and how to get to it for model A105 maybe A100 thank you

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  • rungel May 11, 2009

    Also was wondering if the laptop continues in use would harddrive information be lost if the battery totally dies?

    Thank you again.


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Hello
here is a guide to disassemble the laptop
http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A105/remove-motherboard-1.htm
Some motherboards have the battery soldered on ,i am not sure if yours is or not ,the batteries usually look like watch batteries.
you could always get a quote from an authorised toshiba support agent if you are uncomfortable opening the laptop.

The information on the hard drive will not be lost as it is saved on the hard drive itself.

Posted on May 11, 2009

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1 Answer

Hp nx6110 laptop is power lock what is unlockng process


Disconnected the RTC battery will unlock your system. See the steps below.

The more important it is to protect on's data by a DriveLock (which makes the HDD usuable when the password is not available).

Procedure to remove password
(following CPQ MSGs)

1.) Unplug AC, take out the main battery.

2.) Take out /disconnect the RTC (real time clock) battery for app. Half an hour (the period of 5 min as specified in the MSG normally is not long enough).

3.) Plug in the AC adapter (batteries still removed); computer should boot automatically, if not use the power button.

4.) The machine will boot and show the 162-error-msg "system options not set". Use F1 to save the settings.

5.) Shut down the computer and disconnect AC power again.
6.) Re-connect the RTC-battery.
7.) Install the battery pack(s).
8.) Restart the computer.

Warning: All settings are set back to factory standard.
You'll have to enter a correct date/time and change the settings to your needs.

Note: Pls strictly keep to the sequence.
Re-starting with the main battery and or RTC-battery inserted will spoil the job.

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Every time i boot up my brand new dell vostro i get an error: 00c08270 real time clock error - check time and date settings. I have been continuously updating the time and date but the error message keeps...


Meaning the RTC battery needs to be replaced.

The Real Time Clock battery is the CMOS battery.

http://support.dell.com/support/edocs/systems/vosA860/en/sm/index.htm

Coin-Cell Battery

The laptop has to be completely disassembled down to the motherboard (System Board) in your hand.
On the bottom of the motherboard is the RTC Battery.

Since the laptop is brand new this falls on the place where you purchased it, or Dell.
It is still under warranty as far as replacing the RTC Battery. (It came with a bad battery. They need to replace it, not you)

Regards,
joecoolvette

Jul 09, 2011 | Dell Vostro A860 Notebook

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My computer said "163 time


Date & Time are kept by RTC (Real Time Clock) CMOS Battery, which is usually a coin-cell battery on the motherboad.
As the RTC of your system is dead, it can not keep time.
Therefore, RTC (CMOS Battery) is required to be replaced with a new one to fix the issue.


Let me know if any further clarification is required. Hope this helps! Dont forget to rate the solution!!
CreativeTECH

Dec 27, 2010 | HP Compaq Notebook nc8230 Notebook

3 Answers

Forget my bios password notebook hp 6720s


Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. BIOS password can be removed by temporarily disconnecting/ removing the RTC/ CMOS (Coin-cell) battery from the motherboard. Disconnect the coin-cell battery from the system board and it will reset the BIOS to its default setting and the password would be gone.
Please Refer to Page 77 of the REPAIR MANUAL HP 6720S.
If you can't do it yourself, you may seek help from local laptop service professional.

GoodLuck!
Dont forget to appreciate the solution if I could have been of any help!
CreativeTECH


Dec 22, 2010 | HP Compaq 6720s Notebook

1 Answer

Is there a patch to fix the clock error? my vostro does not keep time when shut down


Date & Time are kept by RTC (Real Time Clock) CMOS Battery, which is usually a coin-cell battery on the motherboad.
As the RTC of your system is dead, it can not keep time.
Therefore, RTC (CMOS Battery) is required to be replaced with a new one to fix the issue.
Refer here for more information/ disassembly guide.

Let me know if any further clarification is required. Hope this helps! Dont forget to rate the solution!!
CreativeTECH

Nov 29, 2010 | Dell Vostro A860 Notebook

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.

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How to remove power on password on hp compaqnx6110?


You can try reseating the RTC battery:

http://h20464.www2.hp.com/index.html

Real-time clock battery removal Before you begin: Remove the battery and keyboard.
  1. Disconnect the RTC battery cable from the system board
  2. Use a small, flat-bladed, non-conductive tool to flip the RTC battery out of the socket on the top cover.
Real-time clock battery replacement
  1. With the positive (+) side facing up, insert and press the RTC battery into the socket on the top cover.
  2. Reconnect the RTC battery cable to the system board.
If this does not fix the issue, you may have to replace System board

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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.

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I have the same problem but when I enter the date and hit enter - it does nothing

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Forgot BIOS password.


1.) Unplug AC, take out the main battery.

2.) Take out /disconnect the RTC (real time clock) battery for app. half an hour (the period of 5 min as specified in the MSG normally is not long enough).

3.) Plug in the AC adapter (batteries still removed); computer should boot automatically, if not use the power button.

4.) The machine will boot and show the 162-error-msg "system options not set". Use F1 to save the settings.

5.) Shut down the computer and disconnect AC power again.
6.) Re-connect the RTC-battery.
7.) Install the battery pack(s).
8.) Restart the computer.

Caveat: All settings are set back to factory standard.
You'll have to enter a correct date/time and change the settings to your needs.

Note: pls strictly keep to the sequence.
Re-starting with the main battery and or RTC-battery inserted will spoil the job.

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