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BIOS set up

On booting, I receive a message that my system has been tampered with

I have read that I can reset this "System Intrusion Detected" message within BIOS, but I have no idea how to get into BIOS or how to change things (safely) once I am there

Thanks
bumpersquid@hotmail.com

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What system are you using or what is the brand of your pc? On most common system BIOS pressing delete or F2 key during boot will get you to the BIOS setting.

Posted on Jul 23, 2008

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I have a dell and it said that i had a chassis intrusion I dont know what it means nor what to do help


That just means the case of the desktop was opened by someone.

http://phubner.eng.ua.edu/Files/Optiplex%20GX620/advfeat0.htm#wp1124663

Security Chassis Intrusion Detection note.gif NOTE: When the administrator password is enabled, you must know the administrator password before you can reset the Chassis Intrusion setting. This feature, if installed and enabled, detects that the chassis was opened and alerts the user. To change the Chassis Intrusion setting:
  1. Enter system setup.

  2. Press the down-arrow keys to move to the System Security option.

  3. Press <Enter> to access the System Security option's pop-up menu.

  4. Press the down-arrow key to move to the Chassis Intrusion setting.

  5. Press <Enter> to select an option setting.

  6. Press <Enter> again after you update the option setting.

  7. Exit and save system setup.

Option Settings
  • On - If the computer cover is opened, the setting changes to Detected, and the following alert message displays during the boot routine at the next computer start-up:

Alert! Cover was previously removed.

To reset the Detected setting, enter system setup. In the Chassis Intrusion option, press the left- or right-arrow key to select Reset, and then choose On, On-Silent, or Off.

  • On-Silent (default setting) - If the computer cover is opened, the setting changes to Detected. No alert message appears during the boot sequence at the next computer start-up.

  • Off - No intrusion monitoring occurs and no messages appear.

May 27, 2012 | Dell OptiPlex GX620n PC Desktop

Tip

My hard disk drive is not detected in the system BIOS


If your HDD is not being detected by your portable system trouble shooting is fairly direct: <ol> <li>Remove and re-seat the hard drive to ensure the connection to the system is effective, sometimes there is enough play that over time the connection loses contact due to thermal expansion/contraction and re-seating the drive resolves.</li> <li>Reset the BIOS default settings. This can be done from within the BIOS (F2 at boot for most systems, F1, F10 and DEL are the other most common entry prompts, watch you screen at boot for BIOS/SETUP access prompts if unsure) Check the Hard Drive Controller Settings/SATA controller settings and write them down, and once you reset the BIOS defaults, check them again. If they have changed, set the controller setting back to the pre-reset setting to avoid 0x0000007B controller errors on reboot. Most Phoenix brand bios can be reset by pressing F9, Enter. Others will have a maintenance section where default settings can be restored. After resetting, save changes and exit this will force re-numeration of all devices by the system, including the hard disk drive. If using a desktop chassis and you have multiple controllers, swap cables with a know working controller (Usually the Optical drive) and see if the drive is detected on that cable and controller and the optical drive on the HDD controller.</li> <li>If the Hard Drive is still not detected, you can remove the hard drive and install it in a USB external drive case and see if the drive is detected on another system. If it is not, then the drive has failed, and needs replacement. If the drive works in the USB adapter then the controller is suspect on the system the drive was removed from, and a motherboard replacement is likely the end result.</li></ol>

on Jul 17, 2011 | PC Desktops

1 Answer

Error 912 system case has been removed since last stratup


Make sure case is fully closed and intrusion switch is fully engaged. Boot to the BIOS (F2 on most systems) go to security section, reset intrusion switch. save settings, reboot.

Jul 19, 2011 | PC Desktops

2 Answers

Error 912 the machine cover has been removed since last system start up please ensure that any system access was authorized


Make sure case is fully closed and intrusion switch is fully engaged. Boot to the BIOS (F2 on most systems) go to security section, reset intrusion switch. save settings, reboot

Apr 17, 2011 | PC Desktops

1 Answer

No hardware was changed, but just one morning the system was powered on and came up with these error messages the RF-ID Tag has changed 184 Asset Control Antenna not detected System-Security Keyboard is...


It seems that the CMOS Battery is creating a problem. See this link for reference. Also, you can get into the BIOS utility, load the defaults and then try to boot your computer again.

May 14, 2009 | IBM 300PL (PC 300 PL 733) PC Desktop

1 Answer

I have an ei system 103a desktop i have had to sytem restore now when i turn pc on it tells me to press f1 to start windows i have tried going into the bios and boot from hardisk but still have the problem...


The 'Press F1 to continue" message is a result of an error caused as the BIOS does its hardware checks during the boot process.

The BIOS boot process (bootstrap) preceeds the loading of the operating system.

The most amusing example of this occurs if you unplug a ps2 keyboard, 
1, it generates the error
2, pressing F1 does no good because the keyboard is not plugged in.
3, if its ps2, you will need to do a hardware reset after plugging the keyboard in again.

The bios can be set to 'halt on'
'no errors' which will stop the error message appearing.
'keyboard errors' see above
'all errors' any hardware failure detected by the bios will halt the boot process and give the above message.

Mar 11, 2009 | PC Desktops

2 Answers

I have a Acer m420 4850B new I put in a PCI


Try going to the horses mouth (Acer) next time. From their on-line support:
Product
Veriton M420
Issue
Chassis Opened Warning Error
Solution
To disable the Chassis Intrusion Alert, please follow the steps below.
  1. With the system powered off; press and release the power button.
    Immediately afer releasing the power button, begin tapping on the Delete key.
    This will enter the system BIOS.
    In the BIOS, use the arrow keys to navigate the menus.
  2. Navigate to Integrated Peripherals and press Enter.
  3. On the Integrated Peripherals screen, there is an option labeled OnBoard IO Setup. Select OnBoard IO Setup and press Enter.
  4. Look for the option, Chassis Opened Warning.
    Select Chassis Opened Warning and press Enter.
  5. Change the currect selection from Enabled to Disabled and press Enter.
  6. Press F10 and then press Enter to Save the Settings and reboot.
The computer should boot without the intrusion alert message.

Feb 20, 2009 | Acer POWER APS290-UC4201P MT CELERON M 420...

1 Answer

CPU BIOS and Config error.


Solution: Floppy or CD that is not bootable is currently in the computer Verify that no floppy diskette or CD is currently in the computer. If a diskette or CD is in the computer that is not bootable your computer may attempt to boot from that diskette or CD causing this error message.
BIOS is not setup properly Additional information and help with getting into BIOS or CMOS setup can be found on http://www.computerhope.com/issues/ch000...
Verify that your hard disk drive is setup and detected properly in BIOS. You're computer should list a hard disk drive installed either under the main page or the drives page in BIOS. If BIOS indicates the drive is not installed or not detected skip to Hard Disk drive is bad or not connected ....
Verify the boot options are properly set in BIOS, almost all BIOS setups should contain options specifying how your computer boots. For example, most computers should have their boot options setup similar to the below example.
 - Floppy drive
 - CD drive
 - Hard drive
 
Rest your BIOS to default values. Many BIOS will enable users to reset the values to the default settings. If you've tried the above options without success try resetting the BIOS.
Hard disk drive does not have bootable files on it It is possible that command.com or another bootable file may be missing from the hard disk drive. Follow the below steps to possible resolve your issue.
Windows 95, Windows 98, and Windows ME users
Boot from a bootable floppy diskette.
At the A:\> type fdisk <press enter>
If you receive a message no fixed disk present, read Hard Disk drive is bad or not connected ....
If you are able to get into fdisk, choose option 4 to display the partition information. In the partition information, if the System is listed as FAT16 or FAT32 then continue to step 5. If you have a message indicating no partitions defined, no information is on your hard disk drive and you will need to create a new partition. See our fdisk page for additional information.
If you see FAT16 or FAT32 in fdisk press the ESC key until back at the A:\>
Once at the A:\> type, sys c: <press enter> (only do this command if you are using the same operating system that this diskette was created on).
This should return a message 'System Transferred', if you receive bad command or file name and have verified you have typed the command properly, you will need to obtain a bootable diskette with the file sys.com on it.
If system was transferred successfully, reboot the computer and issue should be resolved.
Windows 2000 and Windows XP users
Boot from either your ERD, your bootable Windows CD, or your bootable restore CD.
Once boot attempt to repair Windows. If you're able to repair Windows remove the disks and reboot the computer.
All users
If your operating system is not listed above or the above steps did not resolve your issue you can also try erasing the hard disk drive and starting over.The hard disk drive is bad or not connected properly
If you have attempted all above suggestions and you are still encountering the same issues, verify the connections are properly connected to the computer if the hard drive was recently installed or the computer was moved.
Unfortunately, if all connections are setup properly and all the above recommendations have been attempted, it is likely that the hard disk drive is bad and it will need to be replaced.

Oct 29, 2007 | AcerPower Sn PC Desktop

3 Answers

Request for Help


Hi, Muhammad, It sounds to like you have been infected with a virus and will need to run an antivirus program at bootup. If you are unable to do this yourself then it is not a big job for a computer technician to do for you. Regards mistyman

Aug 14, 2007 | IBM IntelliStation M Pro 6868 PC Desktop

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