Clearing And Resetting The Bios - HP EliteDesk 800 G2 Desktop Mini Maintenance And Service Manual
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Also See for EliteDesk 800 G2 Desktop Mini:
- Maintenance and service manual (154 pages) ,
- Hardware reference manual (52 pages) ,
- Disassembly instructions manual (13 pages)
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Clearing and resetting the BIOS
The CMOS button resets BIOS settings to default, but does not clear the passwords or affect any of the other
Security settings. On Intel systems with advanced manageability features, the CMOS button will also partially
unprovision AMT.
1.
Turn off the computer and any external devices, and disconnect the power cord from the power outlet.
2.
Disconnect the keyboard, monitor, and any other external equipment connected to the computer.
WARNING!
disconnect the power cord from the wall outlet, and allow the internal system components to cool
before touching.
CAUTION:
system board even when the unit is turned off. Failure to disconnect the power cord can result in
damage to the system.
Static electricity can damage the electronic components of the computer or optional equipment. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object. See the Safety & Regulatory Information guide for more information.
3.
Remove the access panel.
CAUTION:
up the computer CMOS settings before resetting them in case they are needed later. Back up is easily
done through Computer Setup. See
up the CMOS settings.
4.
Locate, press, and hold the CMOS button in for five seconds.
NOTE:
not clear CMOS if the power cord is connected.
NOTE:
board components image at
5.
Replace the access panel.
6.
Reconnect the external devices.
7.
Plug in the computer and turn on power.
To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to
When the computer is plugged in, the power supply always has voltage applied to the
Pushing the CMOS button will reset CMOS values to factory defaults. It is important to back
Make sure you have disconnected the AC power cord from the wall outlet. The CMOS button will
For assistance locating the CMOS button and other system board components, see the system
System board on page
Computer Setup (F10) Utility on page 58
49.
for information on backing
Clearing and resetting the BIOS 111
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Questions and answers
how to change onboard battery
To change the onboard battery in an HP EliteDesk 800 G2 Desktop Mini, follow these steps:
1. Discharge Static Electricity – Touch a grounded metal object.
2. Prepare for Disassembly – Follow the preparation steps in the manual.
3. Remove the Top Cover – Detach the top cover as instructed.
4. Remove the Hard Drive – Take out the hard drive if necessary.
5. Remove the Hard Drive Cage – If required, remove the drive cage to access the battery.
6. Locate the Battery – Find the battery and its holder on the system board.
7. Remove the Old Battery – Carefully take out the old battery.
8. Insert the New Battery – Place the new battery into the holder with the positive side up. The holder secures it automatically.
9. Reassemble the Computer – Reattach the hard drive cage, hard drive, and top cover.
10. Reconnect Power and Test – Plug in the AC power cord, turn on the computer, and ensure proper functionality.
Ensure the computer is unplugged before starting and handle components carefully.
This answer is automatically generated
Cannot remove top cover of hp 800 g2 mini. removed screw in back but cannot slide the top to remove it.
After loosening the thumbscrew on the rear of the computer, slide the panel forward and lift it off the computer.
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