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Bios rom checksum error. system does not boot. F1,F10 do not gain access to bios.

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Open up you computer and look for a lithium battery on the motherboard. Once you replace it, the system will rewrite the settings and store them.

Posted on Aug 13, 2008

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Bad check sum cmos


This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.

The BIOS ROM chip on the motherboard is probably faulty. It could also be another component on the motherboard.

You should make sure that all of the BIOS settings in the system are correct, by rebooting the system, going into BIOS setup and double-checking all the values (hopefully against a recent


If you have reset the CMOS memory you need to go into the BIOS setup screen and reconfigure the BIOS. To do that you need to press a key while the computer is booting. Usually F2 but can be other keys. It should tell you on the bottom of the first screen which key to press to enter BIOS setup.
If you don't know the settings the should be one for optimal defaults - use that one. You will also need to reset the time and date.
Save, Exit and re-boot and everything should then work.

This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.


During the boot process you will see on the screen a certain key to press to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
You will also need to set the time and date

In the main or system setup screen you should be able to see the date and time Using your arrow keys navigate to the date and change the date. Once highlighted on the month, day, or year, press your arrow keys or your page up / page down keys to change the date.
hope this helps you

Nov 18, 2011 | Toshiba Equium 2000 (PV1065E0-011FR) PC...

1 Answer

BIOS ROM checksum error


sounds like your bios is corrupted, try going to the motherboard site and update your bios software. It could also be bad memory modules.

Nov 01, 2009 | HP PC Desktops

2 Answers

1801 microcode patch erro


http://admin.utep.edu/Default.aspx?tabid=56

Try downloading the 815 motherboard drivers on the right side of the page.

Mar 28, 2009 | Compaq Refurbished EVO D310 PENTIUM IV 2.4...

2 Answers

Continuous beeping sound


Do you get video? If so then it could be a stuck key on the keyboard.

Do you get no video? If so then reseat the RAM.

Feb 10, 2009 | Sony VAIO PCV-RX370DS PC Desktop

1 Answer

Computer wont boot up


first reconnect your keybord and mouse jack in computer then power up the compter then press del or F1 or F2 to nweter in bios setup then just press F10 and save settings .

Feb 07, 2009 | Dell PC Desktops

5 Answers

Bios check sum error


You can try flashing/updating the BIOS if nothing works.

Nov 28, 2008 | PC Desktops

1 Answer

Compaq evo d500 won't start up and won't let me access boot menu. just keeps saying keyboard fault even when another keyboard is used


press f10 during startup , when the bios open, look for the setting "halt on" . it will have a choice of keyboard, all errors or no errors , set it on "no errors" save and reboot. that may fix it.
You could also get another keyboard (neighbors or a new one) and test to see if a new keyboard solves the issue without recovering your system.
you can also use the recovery CD that came with your system:
USING THE RECOVERY CONSOLE TO REPAIR DAMAGED
FILES
If you cannot start your computer, you can run the Recovery Console from operating system CDROM
provided with the PC. To run the Recovery Console from the operating system CD-ROM:
NOTE: Make sure that the system is configured to boot first from the CD-ROM drive, then from
the hard drive. You can verify or change device boot order using the Computer Setup (F10) Utility.
For more information, refer to the Computer Setup (F10) Utility Guide provided with the
computer.
1. Insert the Windows 2000 or Windows XP CD-ROM into the CD-ROM drive.
2. Click Start > Shut Down, then select Restart from the drop-down list.
3. In the Shut Down Windows dialog, click OK.
4. Press any key to start the computer from the CD-ROM drive when you are prompted to do so.
5. On the Welcome to Setup page, press R.
6. Choose the installation that you want to access from the Recovery Console.
7. Type the administrator password. If the administrator password is blank, press the Enter key.

Oct 17, 2008 | Compaq Evo D500 PC Desktop

2 Answers

Changing Boot Set Up


you need to go to the bios setting, upon switching on you need to press delete to enter to the bios setting (note: some motherboards uses either F1 or F2 or F10 defends on your MOBO) then go to boot set up, select the first boot device as the cd rom then save and exit (F10)

Aug 11, 2008 | Dell OptiPlex GX520 PC Desktop

1 Answer

Reformatting my computer


  • Using System Recovery CDs
  • Change the boot order in the BIOS:-
  • Turn off the computer:
  • Disconnect devices that are connected to USB, Fire wire, parallel and serial ports, except the keyboard, the mouse anb Internet Connection.
  • Turn on the computer.
  • When the color screen with the logo appears, press the F1 key on the keyboard until Entering SETUP is displayed. (You only have a few seconds to press the F1 key before the normal startup process continues.)
  • Wait until the BIOS setup program opens.
  • Press the right arrow key to select Boot.
  • Press the down arrow key to select Boot Device Priority, and then press Enter on the keyboard.
  • Change the first boot device to CD-ROM using one of these methods:
  • Press the down arrow key to select the CD-ROM item. Press the + (plus) key to move the CD-ROM item up until it is the first item in the list.
  • Press the down arrow key to highlight the First Boot Device selection. Press the + (plus) key until CD-ROM is the selection.
  • Start the recovery:-
  • Press the Eject button on the top CD-ROM drive, and wait for the tray to open. Insert the System Recovery CD #1 and close the tray.
  • Press the F10 key to save the changes and exit BIOS.
  • With Yes selected, press Enter.
  • The recovery window automatically starts; wait for the onscreen instructions to display, and then follow the instructions:-
  • Press R, and then press the F key again.
  • Click yes to perform the full system recovery.
  • Insert the remaining CDs when directed.
  • When the recovery program finishes, click Restart to restart the computer.
  • Before the computer restarts, the CD tray ejects. Remove the CD
  • Return the BIOS to the previous setting
  • When the color screen with the logo appears, press the F1 key on the keyboard until Entering SETUP is displayed. (You only have a few seconds to press the F1 key before the normal startup process continues.) Wait until the BIOS setup program opens.
  • Press F5 Key to Set Default Settings in BIOS.
  • Press the F10 key to save the changes and exit BIOS.
  • Select yes and press Enter.
  • Complete the recovery
  • After the computer restarts, a series of startup screens appear. Complete Microsoft Windows setup as follows:
  • Complete the registration process, and then reconnect the devices that were disconnected earlier.
  • Reinstall software that did not originally come with the computer.
  • Write data files that were previously saved on the backup CD or diskette you made from the hard disk.

Jul 04, 2008 | PC Desktops

1 Answer

Wont load anything including bios


Sounds like your operating system has been damaged and no longer works. You will need to reinstall it.

If its xp then u will need to put the hard drive in another pc to back up any data. If its vista then all your old files will be stored in windows.old on the c drive as long as u dont format it during install.

Hope this helps?

Dec 29, 2007 | Compaq Presario SR1810NX Sempron 3200+ 1.8...

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