Replacement Power for Dell Inspiron All-in-One Systems

When a Dell Inspiron All-in-One suddenly loses power, stops starting, or the original AC adapter is missing, finding the correct replacement is primarily a matter of matching the required voltage, wattage, and DC connector. This 130W Dell-compatible power adapter is designed around the 19.5V / 6.7A power requirement used by selected Inspiron 24-inch and 27-inch All-in-One desktops.

The adapter is especially suited to replacement searches for Dell Inspiron 24 and Inspiron 27 AIO systems, including models such as the Inspiron 24 5415, 5411, 5410, 5401, 5420, 5421, 5400, 5490 and 5491, as well as Inspiron 27 7720, 7710, 7700 and 7790. It uses a 4.5mm x 3.0mm DC barrel connector and provides 19.5V DC at up to 6.7A.

Technical Specifications

Compatible Devices

This 130W power adapter is primarily intended for Dell Inspiron All-in-One desktop systems using the 19.5V power platform and compatible 4.5mm-class DC input. Key replacement-search models include:

• Dell Inspiron 24 5415 All-in-One
• Dell Inspiron 24 5411 All-in-One
• Dell Inspiron 24 5410 All-in-One
• Dell Inspiron 24 5401 All-in-One
• Dell Inspiron 24 5420 All-in-One
• Dell Inspiron 24 5421 All-in-One
• Dell Inspiron 24 5400 All-in-One
• Dell Inspiron 24 5490 All-in-One
• Dell Inspiron 24 5491 All-in-One
• Dell Inspiron 24 3480 All-in-One
• Dell Inspiron 27 7720 All-in-One
• Dell Inspiron 27 7710 All-in-One
• Dell Inspiron 27 7700 All-in-One
• Dell Inspiron 27 7790 All-in-One

Related Dell regulatory or platform identifiers appearing with these systems include W21C, W23C, W24C, W28C and W29C. Always compare the model number on the computer and the connector on the existing adapter before ordering.

Power Requirements and Replacement Logic

A 130W adapter provides up to 19.5V DC at 6.7A, matching the higher-power adapter option specified for selected Dell Inspiron All-in-One systems. Dell documentation for the Inspiron 27 7700, for example, lists both 90W and 130W adapter options at 19.5V, with the 130W version rated at 6.70A. The same system specification identifies a 4.5mm-class DC connector.

Because different Inspiron AIO configurations can ship with different power ratings, the wattage printed on the original adapter should be checked before replacement. A compatible 130W adapter should not be assumed to fit every Dell computer simply because it uses 19.5V.

Connector Compatibility

This adapter uses a 4.5mm x 3.0mm DC barrel connector. Connector dimensions are critical when replacing a Dell power adapter because Dell has used more than one barrel size across its laptop and desktop product families.

For the Inspiron 24 and Inspiron 27 AIO applications targeted by this product, verify that the computer's DC input accepts the same 4.5mm-class connector before ordering. Do not substitute a 7.4mm x 5.0mm Dell barrel adapter simply because the output voltage and wattage are similar.

Why This Adapter Is a Better Match for Inspiron AIO Searches

The main advantage of this configuration is that it targets the Dell Inspiron All-in-One platform rather than relying on a single Dell adapter part number. Buyers searching for a replacement often begin with the computer model, such as “Inspiron 24 5415 power adapter” or “Inspiron 27 7700 130W charger,” rather than knowing the adapter's MPN.

For this reason, the Inspiron 24 and Inspiron 27 model numbers are included prominently as compatibility references. This makes it easier to identify the correct power supply when the original adapter is missing or its label is difficult to read.

Replacement & Troubleshooting

A defective external power adapter can cause an Inspiron All-in-One to remain completely unresponsive, shut down unexpectedly, fail to start, or lose power during operation. Frayed cable insulation, intermittent power when the connector is moved, or visible damage around the DC plug are common reasons to inspect the adapter.

Before replacing the adapter, compare the original output rating and connector. For this product, the key matching specifications are 19.5V DC, up to 6.7A, 130W, and a 4.5mm x 3.0mm DC connector.

Frequently Asked Questions

Which Dell computers is this 130W adapter designed for?
It is primarily intended for selected Dell Inspiron 24 and Inspiron 27 All-in-One systems, including the 5415, 5411, 5410, 5401, 5420, 5421, 5400, 5490, 5491, 3480, 7720, 7710, 7700 and 7790.

What is the output of this Dell-compatible power adapter?
The adapter provides 19.5V DC with a maximum rated output of 6.7A, corresponding to approximately 130W.

What connector does this adapter use?
The DC plug is a 4.5mm x 3.0mm barrel connector. Confirm the physical connector on the original adapter or computer before ordering.

Can this 130W adapter replace a 90W adapter?
Some Dell Inspiron AIO configurations are specified with both 90W and 130W adapter options, but compatibility should be confirmed for the exact computer configuration. The connector and voltage must also match.

Is this the same as Dell LA130PM121 or 0M1MYR?
This product should not be identified solely as LA130PM121 or 0M1MYR. The key identification for this listing is the 130W / 19.5V / 6.7A output and 4.5mm x 3.0mm connector configuration.

How can I confirm compatibility if I do not know the adapter model?
Check the model of the Dell Inspiron computer, the output information printed on the original adapter, and the physical DC connector. Matching all three provides a safer compatibility check than using wattage alone.

This Dell-compatible 130W AC power adapter provides 19.5V DC at 6.7A and uses a 4.5mm x 3.0mm DC barrel connector for selected Dell Inspiron All-in-One desktops. It is primarily associated with Inspiron 24 models including 5415, 5411, 5410, 5401, 5420, 5421, 5400, 5490, 5491 and 3480, and Inspiron 27 models including 7720, 7710, 7700 and 7790. The adapter is intended to replace a missing or defective 19.5V 130W power supply when the computer's connector and power requirements match.

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