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Manual Dell Latitude 7290 Laptop

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Manual

Working on your computer

Topics:

• Safety precautions

• Before working inside your computer

• After working inside your computer

Safety precautions

The safety precautions chapter details the primary steps to be taken before performing any disassembly instructions.

Observe the following safety precautions before you perform any installation or break/x procedures involving disassembly or reassembly:

• Turn o the system and all attached peripherals.

• Disconnect the system and all attached peripherals from AC power.

• Disconnect all network cables, telephone, and telecommunications lines from the system.

• Use an ESD eld service kit when working inside any notebook to avoid electrostatic discharge (ESD) damage.

• After removing any system component, carefully place the removed component on an anti-static mat.

• Wear shoes with non-conductive rubber soles to reduce the chance of getting electrocuted.

Standby power

Dell products with standby power must be unplugged before you open the case. Systems that incorporate standby power are essentially

powered while turned o. The internal power enables the system to be remotely turned on (wake on LAN) and suspended into a sleep

mode and has other advanced power management features.

Unplugging, pressing and holding the power button for 15 seconds should discharge residual power in the system board. notebooks.

Bonding

Bonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done through the use of a

eld service electrostatic discharge (ESD) kit. When connecting a bonding wire, ensure that it is connected to bare metal and never to a

painted or non-metal surface. The wrist strap should be secure and in full contact with your skin, and ensure that you remove all jewelry

such as watches, bracelets, or rings prior to bonding yourself and the equipment.

Electrostatic discharge—ESD protection

ESD is a major concern when you handle electronic components, especially sensitive components such as expansion cards, processors,

memory DIMMs, and system boards. Very slight charges can damage circuits in ways that may not be obvious, such as intermittent

problems or a shortened product life span. As the industry pushes for lower power requirements and increased density, ESD protection is an

increasing concern.

Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous

Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

Two recognized types of ESD damage are catastrophic and intermittent failures.

Working on your computer 3

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Specifications

Brand	Dell
Model	Latitude 7290
Category	Laptops
File type	PDF
File size	12 MB

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Frequently Asked Questions about Dell Latitude 7290 Laptop

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

Is it necessary to drain my lithium-ion battery before recharging it again? Verified

No, this is not necessary. With older batteries this was the case. Lithium-ion batteries can be charged after use and be taken off the charger when needed.

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I spilled liquid on the trackpad of my laptop, what should I do? Verified

In any case directly switch off the laptop! Only in the case of small amounts of water it is possible that the trackpad, after having dried, will function unchanged.

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Can I clean the ventilation exhaust of my laptop with a vacuum cleaner? Verified

No, a regular vacuum cleaner is too powerful. Use a damp cloth to clean the exhaust or suck away the dust with a hand vacuum.

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What is the best way to clean my keyboard Verified

Never insert objects between the edges of the keys, as this will mainly push dirt in and damage the keyboard. It is best to clean the keyboard with compressed air while keeping the keyboard upside down. The top of the keys can be cleaned with a slightly damp cloth.

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What does HDMI stand for? Verified

HDMI stands for High-Definition Multimedia Interface. HDMI is a connection to send high quality video and audio from one device to another.

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How much are kilobyte, megabyte, gigabyte and terabyte? Verified

One kilobyte consists of 1000 bytes. 1 megabyte = 1000 kilobyte. 1 gigabyte = 1000 megabyte. 1 terabyte = 1000 gigabyte.

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What is the best way to store a lithium-ion battery for a long period? Verified

The best way to store a lithium-ion battery is at a temperature between 5 and 45 degrees Celcius. It's also a good idea make sure the battery is about 67% charged before it is stored away.

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Under what conditions will my lithium-ion battery function optimally? Verified

Lithium-ion batteries function optimally at a temperature between 5 and 45 degrees Celcius. With very cold or warm weather you may notice that the battery will drain quicker. Charging is not recommended at temperatures lower than 5 or higher than 45 degrees Celcius.

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Does bluetooth work through walls and ceilings? Verified

A bluetooth signal will work through walls and ceiling, unless these are made from metal. Depending on the thickness and the material of the wall the signal can lose in strength.

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What can I best use to clean the screen of my mobile device? Verified

It's best to use a microfiber cloth, possibly with a specialized detergent. Never use kitchen towels or other paper cloths, these will leave scratches!

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