Question about Toshiba Satellite M45-S165 Notebook

1 Answer

RTC battery The main battery is charged and working. The laptop boots up to the point where Windows loads and the Desktop is displayed. Then I am unable to start any of the programs. The clock has been slow for a long time. When I display the BIOS screen at start-up it shows a checksum error on the internal clock. I select F1 for the default settings and have been able to re-set the clock (I was actually able to restart on one attempt) but then it freezes again and the only way to power off is to remove the main battery. Have been advised that it may be the RTC battery but I don't know where to locate it on the laptop to replace it. Cannot find an internal diagram on the Toshiba site to locate it and not sure if this is the problem anyway. Any help appreciated.

Posted by on

  • gschlicher Nov 24, 2008

    Thank you very much for your posting. Sorry I've taken so long to reply but I was away and without regular internet access. It's not the main battery because we purchased a replacement and it is charging. After posting this problem we managed to get into the BIOS and restored the laptop to the last working configuaration. It worked for about 2 weeks and then shut down again for no apparent reason. The clock was still losing time. Someone suggested that it might be the motherboard which wouldn't be worth replacing. After a few days we managed to get the recovery disk to run yesterday. It still kept freezing up after powering up but today it's working. Don't know yet if the clock will start losing time again and how long this will last!

×

1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Http://www.irisvista.com/tech/laptops/ToshibaM45/Satellite_M45_disassembly_1.htm

the rtc battery is on the motherboard.i doubt its the problem. If you have a voltmeter check your charger to make sure it is working. then make sure battery is charged with the voltmeter. try and run the system without the battery in, just using the ac adapter. if it works with the ac adapter and not the battery your battery probably needs to replaced as its been charged and discharged too many times. you might want to just reload the os. the link i gave gives disassembly to all toshiba laptops. the rtc battery on the motherboard looks like a watch battery. it should be good for 5 years or more. your laptop battery will go long before the rtc battery.

Posted on Nov 09, 2008

  • johnfp_707 Nov 24, 2008

    well, if the clock is still losing time, i would go ahead and replace the rtc battery as it is cheap, if you can do the repair yourself. typically when the clock loses time it is the rtc battery, but might be the clock chip, both are cheap and cheap to replace.

    I would not replace the motherboard, not that , that is that difficult, but new lap tops are so cheap these days. i would go through the laptop manual, it should have where the rtc is located on the motherboard. the manuals are typically on line at toshiba. if you cant find the location, i would contact toshiba or post that question on their board. alternatively you could take it into a best buy or circuit city and they might charge you $50 to $80 to look at the computer, then you can determine if you want to have it repaired as they will diagnose the problem. if it is the rtc clock battery they can tell quickly from a voltmeter and the mother board schematic and manual. so you might get your lap topped fixed for under 100.00. toshiba should have a list of authorized repairers so you can call and find who can give you the best deal. the rtc will be near the processor and the batter will look like a round, flat watch battery. so you can pull it out, and in general just find the same voltage and size and replace the battery. i dont have anymore time to help you.



    good luck

×

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

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.

Apr 04, 2013 | HP Compaq nx6110 PC Laptop

1 Answer

I had installed a bios password on my Compaq Evo N400c, which i have forgotten, i need to make my CD as 1st boot device so need to reset its Bios password.


I found this fix for your problem on http://forums11.itrc.hp.com

If you have lost your BIOS password(s), then you can clear them by removing all power from your laptop for a while.

I think you are familiar with how to enter the BIOS - but if not - look here:
http://tinyurl.com/hlusx

You may need to consult the Maintenance & Service Guide for your N400C to find and remove the RTC battery. You can access that and all the documentation for your notebook here: http://tinyurl.com/mda9a

This is the procedure to clear the Set-up (BIOS) passwords:
(1) turn off the computer.
(2) If it was in a docking bay, remove it.
(3) Disconnect A/C Adapter.
(4) Remove main battery pack (and the secondary battery if one is fitted.
(5) Disconnect the Real Time Clock (RTC) battery from the system board. (You'll need to remove the palm rest and keyboard to do this - there are clear instructions and pictures in the Mtce & Svce guide referenced above. You should see a tiny white plug on the end of the RTC coin cell leads. Disconnect it - you do not need to remove the RTC battery.)
(6) Now wait 30 minutes. (The 5 minutes quoted by HP in some of its manuals is not enough)
(7) Press and hold down the laptop power button for 1 minute. (This is intended to clear any stray voltages or static that's still around)
(8) Reconnect Real Time Clock battery and re-assemble laptop. (BUT DO NOT re-fit the main battery yet.)
(9) Hook up the A/C adapter and turn on the laptop. System should boot up OK - press F1 or F10 while on Compaq splash screen (ie before windows starts to load) to access BIOS.
(10) All passwords should now be cleared. Check you can enter BIOS OK. It should be restored to Compaq default settings with no power-on or admin passwords.
(11) Now you can re-insert the main battery (and secondary battery if you have one)
(12) Now reset date, time and other BIOS settings as you want them to be.
(13) If you set any passwords - make sure you keep a note of them somewhere safe but outside the laptop !!!!


Hope this helps

Mar 31, 2011 | Compaq Evo Notebook N400c

1 Answer

My wrless is not going to b turn on on windows 7 nd xp plz give me the sedation nd support for it


Critical battery switches off the wireless network card to preserve power. Motherboard seems to log this status but when re-connecting to mains power the card does not receive power again. Uninstalling the driver and getting Windows to re-install automatically upon re-boot does not work.


Charge up the battery whilst the computer is running. You can charge it to a substantial level, say, above 25%. Disconnect mains power so that your laptop is running on battery only. Set your wireless switch to OFF (this is usually to the left position, away from the orange indicator). Now run your computer down to the critical battery level again (perhaps overnight). In the morning when you press the power button, the 'CHARGE' indicator (looks like a lightning bolt) on the front of the laptop should flash quickly, indicating that there is no charge in the battery. Remove the battery from the laptop's underside. Wait a couple of seconds, then press and hold the power button for 30 seconds. Keeping the battery off the laptop, reconnect mains power. Boot up your PC. When at the Windows desktop and all your startup programs have finished loading, switch your wireless on (to the right position). You should now have a blue light, and wireless should once again be working. You can now re-insert your battery. You might have to setup your wireless network connection again as mine seemed to be 'lost', but at least hopefully the main problem is now fixed

Feb 08, 2011 | PC Laptops

3 Answers

HP Elitebook 8540p is getting no video in docking station


Try this

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=au&prodTypeId=321957&prodSeriesId=4097214&swItem=ob-83668-1&prodNameId=4096169&swEnvOID=1093&swLang=13&taskId=135&mode=4&idx=4

Jun 23, 2010 | HP EliteBook 6930p Notebook PC

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

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

1 Answer

Hp nx 6110 a power-on-password


Hi, try this:
- unplug from mains
- remove laptop battery
- remove real-time clock (CMOS) battery.
- wait 5 minutes
- replace the RTC battery and then
plug in - without the laptop battery.
The laptop battery cannot be present
when you remove the RTC battery
and shouldn't be there when you power on.
Try

Mar 31, 2009 | HP Compaq nx6110 Notebook

4 Answers

Toshiba Satellite A60


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

May 26, 2008 | Toshiba Satellite A60 Notebook

1 Answer

Dell d600 video problem


Forget the non-sense.
  1. Remove the battery
  2. Open the RTC Battery compartment
  3. unplug the RTC battery
  4. Press the power button to dissipate stray voltage
  5. Re-install RTC battery and cover
  6. re-install main battery
  7. Re-boot and enter set-up to change date time etc.

Apr 17, 2008 | Dell Latitude D600 Notebook

Not finding what you are looking for?
Toshiba Satellite M45-S165 Notebook Logo

303 people viewed this question

Ask a Question

Usually answered in minutes!

Top Toshiba PC Laptops Experts

Brian Sullivan
Brian Sullivan

Level 3 Expert

27725 Answers

joecoolvette
joecoolvette

Level 3 Expert

5660 Answers

john smith

Level 2 Expert

366 Answers

Are you a Toshiba PC Laptop Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...