My camera flash not working.. in display showing error message E:91:01

The message flashing on the camera is "EXP SIM", which indicates that the lighting conditions for the current shot are not optimal for displaying an image on the back screen and the screen is showing an EXPosure SIMulation of what the final picture -should- look like based on the camera's best guess.

check for bent CF pins

If there is error message on the display and blinking flash, try to initialize the camera. If the problem persists or there is no error message, there is probably no user solution, camera will have to be repaired by service personnel.

Hi. Thanks for your question.

To get your camera back in working order you need to reset it to factory settings. Please click on the link below for a video from Sony website on how to perform reset.
http://esupport.sony.com/perl/tutorial-display.pl?tut_id=374&mdl=DSCW50

Thank You for using FixYa.

Click Menu
go to setup
then go to setup 1
and go to initialize
then click ok and then ok again
put in the right date and time then
click ok
That should fix your problem! ;)

drop it on the floor from a few feet I did this and now mine works

Had the same problem, turn on camera wait until power up is complete and turn it off again. Give lens area a firm hit and turn camera on error should be fixed. try several times as it may not work first time. This worked for me hope it helps

This may be related/helpful: My S3 in normal home use (no sand, wet or shock) just now displayed the ?Lens cover error? message, with cover only half open. Using a tooth pick I ?eased? it gently and it popped open, took a few trial pictures- fine, but would not fully close unless eased. Now will open and close slowly on own but error message blocks camera use. Then spotted cause - a loose thin sliver of silver trim from below flash around (there?s a gummy substance where it should be). When I first saw one end of this it was between the lens cover and the camera body as tho part of the mechanism, so I did not touch it. Now I know it?s jamming the lens cover operation is it OK to open the camera case to get it out? Questions: (a) Has anyone done this please? (b) Will this clear error message? Thanks.

Hi Chittu, This error usually happens when there's problem reading and writing from the Flash memory card (CF). Did you try to pull the memory card before the camera finished writing data? Here's what you should do - try using another memory card. If it works, it means that the original one is damaged. Let me know if this helped. Please rank this post.

This error message means that the card is corrupted or formatted for another digital camera. Turn off the camera. Insert a new card or format the card. CAUTION: Formatting deletes all pictures and videos, including those that are protected. Removing a card during formatting may damage the card.