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<div>Is there an EFI or legacy boot option in the current BIOS? </div><div> </div><div id="editor_signature"></div><div>On Monday 09/03/2020 at 11:27 am, gregrwm wrote: </div><blockquote type="cite"><div><div class="gmail_quote"><div class="gmail_attr">On Mon, Mar 9, 2020 at 7:55 AM Andrew Lunn <<a target="_blank" href="mailto:andrew@lunn.ch">andrew@lunn.ch</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Yes i had this problem. And a BIOS update did help.<br></blockquote><div><br></div><div>good to know. but this bios iso seems pretty mysterious to me, i downloaded it a second time, they compare equal, neither memdisk nor the bios boot it, and ls doesn't even show anything, tho dir and type did (see OP).</div><div><br></div><div>$ wget <a target="_blank" href="https://download.lenovo.com/pccbbs/mobiles/j9uj28wd.iso">https://download.lenovo.com/pccbbs/mobiles/j9uj28wd.iso</a><br>--2020-03-09 10:38:05-- <a target="_blank" href="https://download.lenovo.com/pccbbs/mobiles/j9uj28wd.iso">https://download.lenovo.com/pccbbs/mobiles/j9uj28wd.iso</a><br>Resolving <a target="_blank" href="http://download.lenovo.com">download.lenovo.com</a> (<a target="_blank" href="http://download.lenovo.com">download.lenovo.com</a>)... 23.13.226.129<br>Connecting to <a target="_blank" href="http://download.lenovo.com">download.lenovo.com</a> (<a target="_blank" href="http://download.lenovo.com">download.lenovo.com</a>)|23.13.226.129|:443... connected.<br>HTTP request sent, awaiting response... 200 OK<br>Length: 17149952 (16M) [application/octet-stream]<br>Saving to: ?j9uj28wd.iso?<br>j9uj28wd.iso 100%[=======...=======>] 16.36M 2.94MB/s in 5.2s <br>2020-03-09 10:38:12 (3.15 MB/s) - ?j9uj28wd.iso? saved [17149952/17149952]<br> $ l *so<br>-rw-rw-r-- 1 g greg 17149952 2018-06-26 Tue 01:52:45 e540firmwarej9uj28wd.iso<br>-rw-rw-r-- 1 g greg 17149952 2018-06-26 Tue 01:52:45 j9uj28wd.iso<br>* 0$ cmp *so<br> 0$</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">dd if=e540firmwarej9uj28wd.iso of=/dev/sdb<br></blockquote><div><br></div><div>seems to have written properly. both the iso itself, and /dev/sdb, appear to be an iso9660 filesystem, both mount without error, but ls shows no contents:</div><div><br></div><div> # dd if=e540firmwarej9uj28wd.iso of=/dev/sdb<br>33496+0 records in<br>33496+0 records out<br>17149952 bytes (17 MB, 16 MiB) copied, 5.95615 s, 2.9 MB/s<br> 0# mkdir /mnt/{i,j}<br> 0# mount j9uj28wd.iso /mnt/i<br>mount: /mnt/i: WARNING: device write-protected, mounted read-only.<br> 0# mount /dev/sdb /mnt/j<br>mount: /mnt/j: WARNING: device write-protected, mounted read-only.<br> 0# dfm<br>Filesystem Type 1M-blocks Used Available Use% Mounted on<br>/dev/sda1 ext4 937872 8855 881308 1% /<br>/dev/loop18 iso9660 17 17 0 100% /mnt/i<br>/dev/sdb iso9660 17 17 0 100% /mnt/j<br> 0# ls -la /mnt/?<br>/mnt/i:<br>total 6<br>dr-xr-xr-x 1 root root 2048 Jun 19 2018 .<br>drwxr-xr-x 4 root root 4096 Mar 9 10:53 ..<br><br>/mnt/j:<br>total 6<br>dr-xr-xr-x 1 root root 2048 Jun 19 2018 .<br>drwxr-xr-x 4 root root 4096 Mar 9 10:53 ..<br> 0#</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">and then see if it will boot.<br><br>FYI: This laptop has a small M2 slot you can insert an SSD into. The<br>official Lenovo documentation says an SSD placed into this slot should<br>only be used for Microsofts way of caching the spinning rust HD, not<br>as an independent disk. But it works fine as a standalone disk. I've<br>had my root filesystem on it all the time i've had the machine. And it<br>gives a significant performance boost.</blockquote><div><br></div><div>when i select USB HDD and hit enter, the screen goes blank for a half second, shows no message, and simply shows the boot menu again:</div><div><br></div><div>Boot Menu</div><div>=========</div><div> ATAPI CD0: MATSHITADVD-RAM UJ8E2</div><div> ATA HDD0: SAMSUNG HN-M101MBB</div><div> USB HDD: Generic Flash Disk</div><div> PCI LAN: Realtek PXE B03 D00</div><div><br></div><div>i'm clueless...<br></div></div></div>_______________________________________________<br>TCLUG Mailing List - Minneapolis/St. Paul, Minnesota<br>tclug-list@mn-linux.org<br><a target="_blank" href="http://mailman.mn-linux.org/mailman/listinfo/tclug-list">http://mailman.mn-linux.org/mailman/listinfo/tclug-list</a><br></blockquote><br>
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