Question about Toshiba Satellite 2400-103 Laptop AC Power Adapter (15V/5A 90Watts) by Amstron (Generic) AC Adapter

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Bad scheck sun (CMOS) check system then prsss F11 key

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5 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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joecoolvette
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SOURCE: turn on computer and message reads ****bad check sum (CMOS) ****

From Toshiba Support:
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

Posted on May 17, 2009

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  • 442 Answers

SOURCE: LAPTOP SAID "BAD CHECK SUM(CMOS)

we should reset BIOS settings, please follow the instructions below.

Please click on the following link

http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=SB&os=&category=&moid=196385&rpn=PS140U&modelFilter=1400-S151&selCategory=2756709&selFamily=1073768663#

you will see a page in the toshiba website, click on product guide

go to page 196 & 197 to access settings and reset the same. If this does not work you have to change the RTC battery (referred in page 119)

Posted on Nov 21, 2010

  • 2567 Answers

SOURCE: my laptop is making a

This is a typical error message you get when the CMOS battery cannot hold on any charge. This battery powers the CMOS memory which stores the BIOS settings, date & time while the laptop is switched off.
In order to resolve this problem, you need to replace this battery. Normally, this will require that you disassemble your laptop partially or fully in order to get access to this battery & replace it.

Posted on Nov 21, 2010

  • 425 Answers

SOURCE: have been given a satllite

Looks like the CMOS battery is dead. Open up the case and check the motherboard. You will find a small battery. Buy a new one and replace it and see what happens. www.tigerdirect.com will have what you need or if you are lucky radio shack will have it.

Chris Thrash
B52Computers

Posted on Jan 10, 2011

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1 Answer

After when i reset HP Mini 110-3735dx the system no more found it( an operating system wasn t found)


redux 1
NO OS STATED before the ***** of pc. W7 was new
is it w8, w8.1 or W10 (slammed )
F11 dead. got you.
that means (list)
the hdd is bad.
or
infected with virus (damaged F11 partitions recovery)
or
some one put a Microsoft disk (not HP)
and did a install not using HP media.
bam
I call it slammed.
http://pcdied.com/XP-sux-sg.html#slammed

if I boot that PC and it run under say
knoppix 7 perfectly , then the PC is ok
if the disk test passes, then the HDD is ok
and only the partition (HP restore) is damaged or missing on said HDD.
is it missing,did you look ? we use that same linux disk to LOOK... to see

the knoppix disk tests are here. under bad hdd.

http://pcdied.com/brick-dead.html

http://pcdied.com/brick-dead.html#Knoppix


the order is this, flow)
1: is the PC ok? battery ok, coin cell ok?
2: test PC with Knoppix 7
is pc ok?
3: test PC HDD with Knoppix disk tests.
looking at SMART data first, is now out of spare clusters and lots of dead clusters growing,
yes, bad hDD, or even its dead, then we run the full hDD test using Knoppix boot stick,
4: ok hdd seems ok, i look at the Hp recover partition. using same knoppix.
is it missing, or obviously damaged or files missing?
then it was slammed.
5: we then install fresh what ever OS you want.
how to do that and choices are many.
best is the HP media kit , to make it like new.
other use other ways and take days to find all the missing pieces, (humpty-dumptied)
I can do that latter my self ,done so 1000s of times.
(I go to HP and see what is there and get all these files)
the PC came with W7, if your PC was not w7 now
that means you slammed the PC, with W10.
you have yet to say what OS you ran before it died.
if w7 great, if w10, ouch..


https://support.hp.com/us-en/drivers/selfservice/hp-mini-110-3700-pc-series/5082187/model/5111936


if you have damaged F11,
install w7 any why you can, (most ways fail)
a real MS disk from MS actual will work to a POINT.
the MS disk will miss many HP drivers. and all apps
so go to the above link and get them all
warning HP only SUPPORTS W7 on this PC> period.

Aug 15, 2017 | HP Computers & Internet

1 Answer

Reset CMOS on IBM 2847


  1. cmossave.jpgEnter CMOS setup.
  2. In CMOS setup look for an option to reset the CMOS values to the default setting or an option to load the fail-safe defaults. With many CMOS setup screens there will be a function key to do this; for example, the F5, F6, F9, F11, or F12 key like shown in the picture to the right. Other setups may actually list an option that you can arrow over to using the arrow keys and press Enter.
  3. When found and selected you'll likely be asked if you're sure you wish to load the defaults press Y for yes or arrow to the yes option.
  4. Once the default values have been set make sure to Save and Exit and not just exit.

May 14, 2012 | IBM Computers & Internet

1 Answer

The screen is very fade and i cannot work it as of this problem please help


Hi There

If you look at the keyboard there are normally second function keys on the f9 f10 and f11 keys if you press the second function key left of the space bar with fn on it and the f9 f10 or f11 key with the sun and an up arrow this might brighten the screen

Jun 29, 2011 | Computers & Internet

2 Answers

None of the keys work on hp logo screen F10, f11. f9. esc system won't boot from hard drive or cd


Hi,

are you using a usb keyboard? A lot of systems require a ps/2 (purple round connector) keyboard to access the bios settings and anything on the startup screen unless you have set usb on boot in the bios settings. I would try connecting a ps/2 keyboard and see if it helps.

May 06, 2011 | HEWLETT-PACKARD Pavilion Desktop with AMD...

2 Answers

Cmos reset


I have not specifically worked on this make/model of computer.

Technically, you cannot reset this ... I think what you are asking is how can your modify the settings. Typically one would press F2 or F8 or F11 to enter the setup during the boot process. It may be a different F key, it should flash on the screen when you boot.

You could disconnect the battery back up if you can locate it. ..This will remove any custom setting, but will not let you get back in to change it unless you find the correct F key to press.

On the other hand ... there are no more than 12 F keys. You should be able to find the proper one.

If this doesn't work, you should go to www.fujitsy.com/support for assistance.

Thanks for visiting today.

Jan 31, 2011 | Fujitsu Stylistic ST5112 Tablet PC

1 Answer

Have been given a satllite 2520cdt when i turn it on it opens up to **** Bad check sum (CMOS) **** Check system Then press (F11) key can any one tell me hat i need to do please


Looks like the CMOS battery is dead. Open up the case and check the motherboard. You will find a small battery. Buy a new one and replace it and see what happens. www.tigerdirect.com will have what you need or if you are lucky radio shack will have it.

Chris Thrash
B52Computers

Jan 10, 2011 | Toshiba Satellite 2250XCDS Notebook

1 Answer

I neeed clear bios cmos and cmos run to my hp ze4315us


Restart system holding down f11 key till it beeps. Dont forget to backup your documents.

May 26, 2009 | HP Pavilion ze4315us Notebook

1 Answer

My hard disk would not open


is the hard disk detectable in the cmos setup? to know how to enter the cmos setup look for the press "DEL / F2 / F10 to enter setup when you power up the pc. check for the boot option under cmos and check the hdd if cmos can detect it. otherwise hard drive has a problem. if hard drive is detectable, try reinstalling windows xp. other means is to check boot sequence by pressing F11 during start up. this will display the option on which you would like to boot from.

Feb 19, 2009 | Microsoft Windows XP Professional for PC

2 Answers

Error message


Open Your system and there is a Battery which looks like a Coin. that is CMOS Battery (CR2032) Change that battery and then Reboot your system and try go to BIOS menu with DEL , F11 , F1 or F2. Either of these Buttons can Work.

This will resolve your issue

Nov 26, 2008 | Computers & Internet

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