Why you haven't already done this I dont know but heres some info from one particular high street PC retailer:
If you change your mind and would like to return your product, we're happy to exchange or refund it as long as:
The product is in its original unopened and sealed packaging
You return it within 21 days of date of purchase
You have proof of purchase (Original receipt, delivery note, bank statement)
If you change your mind and would like to return your product, we're happy to exchange or refund it as long as:
If it is within 7 working days* from the day of delivery:
Following Distance Selling Regulations, we will accept items back even if you have opened the goods to inspect them
Your return is within the above time frames and you have proof of purchase (receipt, delivery note, bank statement)
The goods are in 'as new' condition and returned in the original, undamaged packaging along with accessories and free gifts received with it
The product has not have been used or installed or had any data inputted. Whilst the goods are in your possession you must take reasonable care of them and not use them
DVDs, CDs, memory cards and software must be sealed
*Working days means all days other than Saturday, Sunday and public holidays.
If it is over 7 working days* from the day of delivery:
The product is in it’s original unopened and sealed packaging
You return it within 21 days of delivery date
You have proof of purchase (Receipt, delivery note, bank statement)
*Working days means all days other than Saturday, Sunday and public holidays.
Says you can return even if you have opened but id say it doesn't stretch towards being switched on which you haven't done. I cant advise on the finance companies perspective though where i think you will have trouble!!!