If you can't open the novel reading mode, you can try the following methods: 1. Reboot the device. Sometimes, these problems could be caused by low battery power or system problems. Restarting the equipment could solve these problems. 2. Clear the device's buffer. Clearing the buffer on the device could solve the problem. You can try opening the "settings" app on your device, then select the "storage" option, then select the "buffer" option, and then click the "clear buffer" button. 3 Check the device driver. If there is a problem with the device driver, it can cause these failures. You can try to open the Device Manager app on your device and then select the "display interface" option and then select the "update driver" button to update the device driver. 4 Check if the equipment is connected correctly. Sometimes, incorrect connections could cause these problems. You can try reconnecting the device to make sure it's connected properly. 5 Check if the novel has been downloaded to your device. Sometimes, the novel reading mode could not be turned on because the novel had not been downloaded to the device. You can try to open the app store on your device and download the novel. If none of these methods can solve the problem, you may need to contact the device manufacturer or the customer service of the novel reading platform for help.