Fix Lenovo ThinkAdvantage update caused boot …

It seems that a recent ThinkAdvantage update will cause
[url=javascript:;]FreeBSD[/url]

[url=javascript:;]boot[/url]

[url=javascript:;]manager[/url]
to have some problem (A "Drive 0" will appear as fifth option, and all other options would not work except a
[url=javascript:;]beep[/url]
). It is possible to recover from this situation by using FreeBSD LiveFS disc (for amd64 platform):R0Wtsm;KD7s
p0R9yp I7u:H,]Start from CD-ROM;
S-A&T2d*oa-\Choose "Fixit" and "CD-ROM";
ykr'nVs'[GNow you get the command line prompt;BSD爱好者乐园-k@O!^L'u-g
Mount your hdd to /mnt/;BSD爱好者乐园.m
o_[Y
mv /boot /boot.old && ln -s /mnt2/boot /bootBSD爱好者乐园ig+F!Gp&})X5`        g%F
mv /usr /usr.old && ln -s /mnt2/usr /usr
ZUE+Ih"boot0cfg -B /dev/ad4" (Note: your SATA controller should be in AHCI mode, otherwise it should be ad0)
0g+c)D|A7N/`c"\^m EThen you will be able to use boot0cfg to configure the boot partition. Reboot system then everything will go well.BSD爱好者乐园6QL"Wb6U]?Bbq
BSD爱好者乐园9nU$^l@
Apparently
Lenovo's update program has caused something wrong to the FreeBSD boot0
boot manager by overwriting some bytes on it. Doesn't it check whether
MBR has been changed?!
               
               
               

本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/4206/showart_501127.html

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