- Go to www.dell.com/support
- Enter the Service Tag, Serial Number, Service Request, Model, or Keyword . Click on the Search button.
- Then it will bring your warranty page, click on View Warrant Details to have a detailed look at your warranty status.
- Go to pcsupport.lenovo.com
- Enter the Serial Number, if you have that, or click on Detect My Device (Requires Lenovo Service Bridge)
- Go to support.hp.com
- Select the Country/Region of Purchase from the drop-down menu, then enter your Serial Number, and click on the Check warranty button.
- Go to service.acer.com
- Select the Country of purchase from the drop down list
- Enter the Serial Number or SNID and click GET INFORMATION
- Go to sony.com
- Select the Model Name and enter the Serial Number
- After entering the correct information, just click on the Check button
- Go to asus.com
- Enter your Serial Number and click Submit