ghaffari Posted June 29 Share Posted June 29 hi folks i have catalina 10.15.7 on dell latitude E7250 unfortunate i just updated my clover version to latest version and when i restart the lap it won't boot anymore any solution will be appreciated really Link to comment Share on other sites More sharing options...
Administrators Hervé Posted June 29 Administrators Share Posted June 29 This message is usually associated with absence of disk or no boot sector. 1st make sure that the disk is visible/detected in BIOS settings. If it is and it remains non-bootable, you probably did not install your newer Clover version with the suitable settings (legacy vs. UEFI for instance). You'll have to recover your installation through an alternative boot device, whether a USB key or an external USB disk for instance. It dates back to Oct 2019 so it's a bit old now but here, you'll find details of Clover version and Clover settings that I used for Catalina on the Latitude E7250. Then you may look at my E7270 guide for Clover settings used to install more recent versions of Clover and macOS. Recommended BIOS settings for the E7250 (and E7270) are available at the top of the E7xxx forum section. 1 Link to comment Share on other sites More sharing options...
ghaffari Posted June 29 Author Share Posted June 29 hi thank u for ur reply i already have the disks visible in my bios boot i have 10.15 original installer USB when i first install it in 2020 i plug it and i can see my disk Catalina there already but unfortunate when selecting it it remains on the apple logo and stuck so can i reinstall the OS with the USB installler does it remain my data if i reinstall it without wiping the data? Link to comment Share on other sites More sharing options...
ghaffari Posted June 29 Author Share Posted June 29 Thank god just reinstall it and everything is ok thank u Link to comment Share on other sites More sharing options...
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