For the complete documentation index, see llms.txt. This page is also available as Markdown.

Lookup

The Lookup page checks the warranty of a single device by serial number, whether or not the device is one of your synced devices.

Looking up a device

Enter the serial in Serial Number and click Get Warranty.

While you type, COW guesses the manufacturer from the length of the serial, and shows the guess when you hover over Get Warranty:

Serial length
Detected manufacturer

7 characters

Dell (Autodetect)

8 characters

Lenovo (Autodetect)

9 characters

Toshiba (Autodetect)

10 characters

HP (Autodetect)

12 or 14 characters

Microsoft (Autodetect)

For a serial of any other length, the hover text says the manufacturer cannot be determined and Get Warranty stays unavailable.

Results

The Results panel shows the outcome. When the serial is already in the COW warranty database, the result appears straight away under Device found in warranty database!:

Field
Description

Serial Number

The serial you looked up.

Manufacturer

The manufacturer of the device.

Product Number

The manufacturer's product number for the device.

Status

The warranty status.

Warranty Type

The type of warranty.

Start Date

The start date of the warranty.

Device Age

The number of days since the warranty start date.

End Date

The expiry date of the warranty.

Days Remaining

The days left on the warranty, Expires today, or how many days ago it expired.

When the manufacturer returns raw warranty data, it appears under Raw Warranty Data. Click the copy icon beside the heading to copy it.

Serials not yet in COW

A serial COW has not seen before is queued for lookup. The button changes to Processing... and the panel shows Processing warranty lookup... while COW checks for the result every few seconds.

If no result arrives within about 25 seconds, the panel shows a message that the lookup is taking longer than expected. The device stays queued, so look up the same serial again later.

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