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Compaq Presario CQ42-100 Notebook PC series
This product cannot be identified using the serial number alone. Please provide a product number in the field below:
Typical locations you may find a serial number on your product:
- Back of product
- Under the battery
- On the barcode
- For laptops, press Fn + Esc
- For desktops, press Ctrl + Alt + s
- For Chromebooks, on the sign in screen, press Alt + v
- For Poly Products, on the main unit, separate control components or charging bases. Find the location for your specific product here.
Product specifications
Product name
Compaq Presario CQ42-100 Notebook PC series
This product cannot be identified using the serial number alone. Please provide a product number in the field below:
Typical locations you may find a serial number on your product:
- Back of product
- Under the battery
- On the barcode
- For laptops, press Fn + Esc
- For desktops, press Ctrl + Alt + s
- For Chromebooks, on the sign in screen, press Alt + v
- For Poly Products, on the main unit, separate control components or charging bases. Find the location for your specific product here.
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