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1.Check your cable and other settings of mother board connecting to BIOS.
2. Another way is to check the BIOS is working properly or not.

3. Check your CMOS Battery's validity.

Posted on Jul 21, 2008

  • saravana kumar
    saravana kumar Jul 21, 2008

    ok. this may be helpful for them.

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Posted on Jan 02, 2017

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How to download mother board bios driver


go to google--type in drivers.softpedia.com/get/BIOS/
I found this site by just typing in mother board bios driver. there are other pages that may be a help.

Feb 11, 2015 | Dell Computers & Internet

1 Answer

Operating system not found


Hi Roderick Sykes:

You need to Verify your BIOS:
Verify the computer's BIOS settings to make sure that BIOS lists and recognizes the hard disk. See the computer documentation or contact the hardware manufacturer for information about how to verify the BIOS settings.

After you verify that the computer's BIOS detects the hard disk, restart the computer, and then test to determine whether the issue is resolved. If the issue is not resolved, or if the computer's BIOS cannot detect the hard disk, you may have issues with your hardware. Contact the hardware manufacturer to inquire about how to resolve this issue. You may have to replace the hard disk.

Also use a system utilty software like RegInOut to avoid such type of errors in future.

Hope this solution works for you.

Dec 23, 2011 | E-Machines eMachines Desktop PC

2 Answers

BAD BIOS CHECKSUM, STARTING BIOS RECOVERY...


I have seen this be a CMOS battery many times. Also, you can try flashing the BIOS if you continue to have troubles after replacing the battery. You should be able to find that information on the motherboard manufacturer's website.

May 05, 2011 | Computers & Internet

1 Answer

Hi! I have a Dell Optiplex 755 and need to upgrade the current BIOS of A11 to A17. I run the file and it prompts to a password which is unusual for BIOS upgrade. I checked the BIOS setup and it prompts...


the optiplex 775 comes in three models...standard tower, mini tower and mirco tower.

the user manual can be found here:

http://support.dell.com/support/edocs/systems/op755/en/index.htm

find the section in the manual that shows you the components on the motherboard. (I browsed it quickly and found one diagram on page 95) Look for the "password reset jumper". this will reset the BIOS password if any has been entered.

if you cannot find the password reset jumper, the other option is to carefully remove the coin cell battery for about 10 seconds or more while your PC is turned off and unpluged. In doing this you will have to re-enter your bios and reset your time and date information so it is a last resort option.

Jan 03, 2011 | Computers & Internet

1 Answer

What happens inside the PC between turning the power on and you see the desktop on the screen?


  1. The internal power supply turns on and initializes. The power supply takes some time until it can generate reliable power for the rest of the computer, and having it turn on prematurely could potentially lead to damage. Therefore, the chipset will generate a reset signal to the processor (the same as if you held the reset button down for a while on your case) until it receives the Power Good signal from the power supply.
  2. When the reset button is released, the processor will be ready to start executing. When the processor first starts up, it is suffering from amnesia; there is nothing at all in the memory to execute. Of course processor makers know this will happen, so they pre-program the processor to always look at the same place in the system BIOS ROM for the start of the BIOS boot program. This is normally location FFFF0h, right at the end of the system memory. They put it there so that the size of the ROM can be changed without creating compatibility problems. Since there are only 16 bytes left from there to the end of conventional memory, this location just contains a "jump" instruction telling the processor where to go to find the real BIOS startup program.
  3. The BIOS performs the power-on self test (POST). If there are any fatal errors, the boot process stops. POST beep codes can be found in this area of the Troubleshooting Expert.
  4. The BIOS looks for the video card. In particular, it looks for the video card's built in BIOS program and runs it. This BIOS is normally found at location C000h in memory. The system BIOS executes the video card BIOS, which initializes the video card. Most modern cards will display information on the screen about the video card. (This is why on a modern PC you usually see something on the screen about the video card before you see the messages from the system BIOS itself).
  5. The BIOS then looks for other devices' ROMs to see if any of them have BIOSes. Normally, the IDE/ATA hard disk BIOS will be found at C8000h and executed. If any other device BIOSes are found, they are executed as well.
  6. The BIOS displays its startup screen.
  7. The BIOS does more tests on the system, including the memory count-up test which you see on the screen. The BIOS will generally display a text error message on the screen if it encounters an error at this point; these error messages and their explanations can be found in this part of the Troubleshooting Expert.
  8. The BIOS performs a "system inventory" of sorts, doing more tests to determine what sort of hardware is in the system. Modern BIOSes have many automatic settings and will determine memory timing (for example) based on what kind of memory it finds. Many BIOSes can also dynamically set hard drive parameters and access modes, and will determine these at roughly this time. Some will display a message on the screen for each drive they detect and configure this way. The BIOS will also now search for and label logical devices (COM and LPT ports).
  9. If the BIOS supports the Plug and Play standard, it will detect and configure Plug and Play devices at this time and display a message on the screen for each one it finds. See here for more details on how PnP detects devices and assigns resources.
  10. The BIOS will display a summary screen about your system's configuration. Checking this page of data can be helpful in diagnosing setup problems, although it can be hard to see because sometimes it flashes on the screen very quickly before scrolling off the top.
  11. The BIOS begins the search for a drive to boot from. Most modern BIOSes contain a setting that controls if the system should first try to boot from the floppy disk (A:) or first try the hard disk (C:). Some BIOSes will even let you boot from your CD-ROM drive or other devices, depending on the boot sequence BIOS setting.
  12. Having identified its target boot drive, the BIOS looks for boot information to start the operating system boot process. If it is searching a hard disk, it looks for a master boot record at cylinder 0, head 0, sector 1 (the first sector on the disk); if it is searching a floppy disk, it looks at the same address on the floppy disk for a volume boot sector.
  13. If it finds what it is looking for, the BIOS starts the process of booting the operating system, using the information in the boot sector. At this point, the code in the boot sector takes over from the BIOS. The DOS boot process is described in detail here. If the first device that the system tries (floppy, hard disk, etc.) is not found, the BIOS will then try the next device in the boot sequence, and continue until it finds a bootable device.
  14. If no boot device at all can be found, the system will normally display an error message and then freeze up the system. What the error message is depends entirely on the BIOS, and can be anything from the rather clear "No boot device available" to the very cryptic "NO ROM BASIC - SYSTEM HALTED". This will also happen if you have a bootable hard disk partition but forget to set it active.

Nov 02, 2010 | Computers & Internet

1 Answer

0167 no processor bios update found bios date 06/04/04 no me deja actualizar a la fecha 06/17/04


Could be that the bios itself is corrupted, You could try reloading that latest bios. Update the BIOS using flash from OS. link: http://download.lenovo.com/ibmdl/pub/pc/pccbbs/thinkcentre_bios/24jy55usa.exe

Mar 04, 2010 | IBM NetVista PC Desktop

2 Answers

No processor Update Bios Found


Go here and scroll down to detect bios version and follow the instruction on the page.
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=ibm&lndocid=MIGR-4MBUDT&velxr-layout=print

Please rate this solution.

Dec 13, 2008 | IBM NetVista PC Desktop

1 Answer

When my computer was started in monitor display MBUltra133 (tm) BIOS Version 2.20.0.1. MBUltra133 BIOS is not installed because there are no drives attached. SiI 3112 Serial ATA Host Controller BIOS...


If you are looking at Device Manager, the computer must be working to some degree. Since there are no drives on the SATA controller, you're probably using an IDE drive and don't need the SATA controller anyway. Disable it in the BIOS. And get more memory.

Dec 11, 2008 | Computers & Internet

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