HP 285 Support and Manuals
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Popular HP 285 Manual Pages
User Guide 1 - Page 9
... app.
- computer hardware and software issues
● Find electronic user guides and specifications for your computer model
To access the latest user guides or manuals for your product, go to http://www.hp.com/support.
● Get up your computer
Setup Instructions or Quick Setup poster
-
Then select User Guides.
● Order parts and find your computer
Go to http://www...
User Guide 1 - Page 33
...Setup Utility, BIOS settings, and other system identification information
Administrator password
Computer viruses
Antivirus software
The free trial antivirus software that you can detect most viruses, remove them, and, in most cases, repair... on -screen instructions to your fingerprint or facial ID. These characters must be entered to authorize access to add both a password and a 4-digit...
User Guide 1 - Page 41
... Firmware Interface) allows you can isolate hardware failures from issues that is generated. Follow the on page 34.
Service Center page displays, with your Failure ID and product number automatically filled in the search box that are provided. or - Select Download HP Diagnostics Windows, and then select a location on -screen instructions to select the
specific...
User Guide 1 - Page 55
... to upgrade any problems setting up your system and turning it only after you attempted to upgrade your computer on , immediately contact HP support using the procedures given earlier in the HP Worldwide Limited Warranty and Technical Support. This must be done first before you set up your computer, see the Setup Instructions or Quick Setup poster or Getting to have parts replaced, you...
Maintenance and Service Guide - Page 10
...optional)
NOTE: When a device is on.
You can reconfigure the connector at any time by model. NOTE: The Power On Light is normally white when the power is plugged into the Microphone/... or a headphone.
If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code.
2 Chapter 1 Product features Front panel components
Drive configuration may vary...
Maintenance and Service Guide - Page 63
.../disable:
● Lock Legacy Resources (determines whether or not Windows Device Manager is enabled.
Allows you forget the setup password or the power-on password, the computer is required to change resource settings for specific Computer Setup options may vary depending on the system board). CAUTION: If you enable the stringent security feature and you to...
Maintenance and Service Guide - Page 64
... and Windows Secure Boot only allow code signed by those keys. Secure Boot enabled also sets Legacy Support to legacy devices, and so on a network server. Allows you to boot from an operating system installed on . Default is enabled. ● Build ID ● Keyboard. The UUID can only be updated if the current chassis serial...
Maintenance and Service Guide - Page 79
... set properly.
Solution Install the video drivers included in close to adjust the horizontal or vertical position of displaying requested resolution. The picture is bad. Disable monitor energy saver feature. Cause The brightness and contrast controls are not set .
Refer to the documentation that the graphics cable is in the upgrade kit. Solving display problems 71...
Maintenance and Service Guide - Page 87
... computer. DIMM1 must be installed before DIMM2, and DIMM3 must be installed.
Run Computer Setup and enable network controller.
2.
Beeps and flashing LEDs are codes for network problems are listed in the operating system using Device Manager. Solving network problems
Some common causes and solutions for specific problems.
3. Incorrect network driver. To access Device Manager...
Maintenance and Service Guide - Page 88
...driver is not set up properly.
There is network activity.
Contact an authorized service provider. Make sure the network drivers are loaded and that the cable and device at the other end of the network controller.
80 Chapter 6 Troubleshooting... is attached to flash when there is a problem with the network.
Reinstall network drivers. The cable is detected. Cause
Solution
No ...
Maintenance and Service Guide - Page 94
... ports on the computer are set to Enabled in Storage > Boot Order. Run the Computer Setup utility and enable booting to removable media in Computer Setup. Install the correct driver for the device. 2.
Turn off the computer.
2. Restart the computer.
Removable Media Boot is enabled in Security > USB Security.
86 Chapter 6 Troubleshooting without diagnostics
Try a different...
Maintenance and Service Guide - Page 97
.... Replace the system board. Quick Boot is displayed on Computer Setup, see if the problem remains.
4.
Control panel message 002-Option ROM Checksum Error
003-System Board Failure 005-Real-Time Clock Power Loss
Description System ROM or expansion board option ROM checksum. Clear CMOS. (See Password security and resetting CMOS on page 96.)
2. 7 POST error...
Maintenance and Service Guide - Page 100
... applicable. (Available at http://www.hp.com/support.)
3. Boot device not found. Both external and internal serial ports are assigned to the same resources.
1. Reconfigure card resources and/or run Computer Setup or Windows utilities. Replace the hard disk drive.
have a hard drive firmware patch that will fix an
erroneous error message.)
Determine if hard drive...
Maintenance and Service Guide - Page 104
... CMOS settings. This scenario is easily done through the Computer Setup Utilities menu. CAUTION: Pushing the CMOS button will give you lose or forget the password, the system board must be replaced. See Computer Setup (F10) Utility on the system board. When you establish both passwords are needed later. This computer supports two security password features that password so...
Maintenance and Service Guide - Page 116
...files that you have created, and then reinstalls the operating system, programs, and drivers. System Recovery
WARNING! To prevent loss of information, be prompted by taking ...installed after removing it after recovery. You must choose one of your
settings. NOTE: For detailed instructions on your permission or password when you can order a recovery disc set up to http://www.hp.com/support...
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