i have a dual boot laptop(toshiba) ubuntu 11.10 and win 7 home premium. the laptop suddenly started running very slow. when i restarted first it showed
grub rescue> console. from next restart it started showing "exiting pxe rom no bootable device insert boot disk...."
after searchin in internet i found that MBR is the problem and should fix it. so i booted from windows installation disc and did fix the mbr(used these commands bootrec /fixmbr and bootrec /fixboot). now the laptop starts, but no grub, takes very long time to boot. it freezes alsmost every minute.
i tried to repair grub by "boot-repair" using 11.10 live cd but it seems there is no support for ubuntu 11.10. please suggest me some solutions.
Should i try upgrading to ubuntu12.04.
what can be the reason for laptop freezes..
thanks in advance