sansa e250

when i switch it on its showing ‘load main image failed switch to recovery mode’ what should be done how can i switch to recovery mode???

http://forums.sandisk.com/t5/Sansa-e200-series/My-player-is-freezes-on-quot-Load-Main-Image-Failed-switch-to/m-p/32459/message-uid/32459/highlight/true#U32459

Note that this is a very old post and the link FIRMWARE FIX FOR E200V1 is broken (due to upgrades to the forum about a year ago). Just follow the (older) directions below it.