Dell M2400 Service Manual - Page 18

Recommended Tools, Before Working on Your Computer - bios

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shown in this document. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe • Flash BIOS update (see the Dell Support website at support.dell.com) Before Working on Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer. NOTICE: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins. NOTICE: When disconnecting a cable, pull on the cable's connector or on its strainrelief loop, not on the cable itself. For cable connectors with locking tabs, press inward on the locking tabs to release the connector. When connecting a cable, ensure that the connectors are correctly oriented and aligned to avoid damage to the connector and/or the connector's pins. 1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched. 2. Shut down your computer. • In Windows XP, click Start→ Shutdown→ Shutdown.

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shown in this document.
Recommended Tools
The procedures in this document may require the following tools:
•
Small flat-blade screwdriver
•
Phillips screwdriver
•
Small plastic scribe
•
Flash BIOS update (see the Dell Support website at
support.dell.com
)
Before Working on Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help
ensure your own personal safety.
CAUTION:
Before you begin any of the procedures in this section, follow the safety
instructions that shipped with your computer.
CAUTION:
Many repairs may only be done by a certified service technician. You should
only perform troubleshooting and simple repairs as authorized in your product
documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Read and follow the safety instructions that came with the product.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding
strap or by periodically touching an unpainted metal surface, such as a connector on
the back of the computer.
NOTICE:
Handle components and cards with care. Do not touch the components or
contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a
component such as a processor by its edges, not by its pins.
NOTICE:
When disconnecting a cable, pull on the cable's connector or on its strain-
relief loop, not on the cable itself. For cable connectors with locking tabs, press inward
on the locking tabs to release the connector. When connecting a cable, ensure that the
connectors are correctly oriented and aligned to avoid damage to the connector and/or
the connector's pins.
1.
Ensure that the work surface is flat and clean to prevent the computer cover from being
scratched.
2.
Shut down your computer.
•
In Windows XP, click
Start
→
Shutdown
→
Shutdown
.