Growing Peace Lilies (Spathiphyllum)

Hi all,newbie here!
My sister rescued one of these Lillies because the owner forgot to water it but the leaves are brown/black and wondered if there is any way these can recover or would it be better to attempt to cut them off?
There are about 7 leaves that are ok but the rest look very sad.
Any ideas as to what can be done to help this survive please.
Thanks in advance for any info.
PS as my sister is 200 miles away I have no photo to show..sorry!

 

I would cut off the brown leaves give it a good watering and just leave it and see what happens.

I have two very large Peace lilies and went away for 4 weeks forgetting to mention to my neighbour that I have them and asking her to look after them. When I came back I thought all was lost, I dumped both pots into a bath of water and just left them in there for a few days. They are now back to their glorious best. Hope your sister's comes through too.:gnthb:

 

Welcome to GC gonetothedogs,
I'd go along with that, they are very resillient, although browning on the end of leaves, common with Spaths, can be caused by opposite treatment ie overwatering and underwatering.
I'm sure it will recover with a bit of TLC.

 

I would cut off the brown leaves (they won't recover) water the plant well and wait to see if it recovers. It will survive but whether it will make a good ornamental plant remains to be seen.
Sometimes I think we just have to accept that a plant is past its best and is no longer an ornament even although it can be kept limping along looking sad. Good luck with it. Time will tell.