Laptop AC Adapter Dell MYRTG 90W — replacement power adapter for Dell laptops, 90W output

The Dell MYRTG 90W laptop AC adapter is a replacement power supply compatible with a range of Dell notebook models. It supplies up to 90 watts of power to charge the battery and run the laptop during normal operation. The adapter incorporates voltage regulation and protection features designed to reduce the risk of overcurrent and short-circuit events, and it is intended for use in home, office and travel scenarios where a reliable external power source is required.

Advantages

The adapter delivers a steady 90W output to support charging and simultaneous laptop operation. Built-in protection circuitry helps prevent damage from overcurrent and short circuits. Its compact rectangular brick and detachable mains cable make it straightforward to pack for transport and to replace an existing unit. The adapter is designed to be plug-and-play with compatible Dell notebooks and provides consistent voltage suitable for everyday computing tasks.

Suitable for

• Charging and operating compatible Dell laptops at home
• Providing power in office environments for continuous workstation use
• Carrying as a spare or replacement adapter for business travel
• Replacing a lost or faulty original power adapter

Key specifications

• Output power: 90 watts
• Output voltage and current: designed to match compatible Dell notebook requirements (adapter provides regulated DC output)
• Protection: overcurrent and short-circuit protection implemented
• Form factor: external power brick with cable to laptop and detachable mains cord
• Intended use: power delivery and battery charging for compatible portable computers

How to use

Connect the detachable mains cable to the adapter and plug the mains plug into a suitable AC outlet. Insert the adapter’s DC connector into the laptop power input until it is firmly seated. When the adapter is connected and the laptop is switched on, the battery will charge and the system can operate from external power. To disconnect, first shut down or suspend the laptop as required, then remove the DC connector and unplug the mains cable from the outlet.

Recommendations

Use the adapter with Dell notebook models that specify a 90W external adapter to ensure correct voltage and current delivery. Avoid using the adapter in wet or excessively dusty environments, and allow adequate ventilation around the power brick during use to prevent overheating. If the adapter shows signs of damage or unusual heating, discontinue use and replace it with a suitable unit.