D-link 625: have lost disk And program has been erased from computer?

Maybe, what ever you do dont take any more pictures with that card. Down load and install a program called recuva, http://www.piriform.com/recuva
Put the memory card in a usb card reader, attach that to your computer and run recuva and scan your memory card. You may have to do a deep scan to recover any files off of it.

Go to their website, linked here. Make sure that 'Support Resources' is clicked. Click 'Additional Downloads.' Find 'Router Quick Setup' and press 'Download Now' to the left of it. Install the software and follow the on screen instructions to setup.

Yes, it is possible to set up this device without the disk.
You'll need to download the "quick router setup" program from the D-Link web site here:
http://www.dlink.com/products/?pid=DIR-625
At that site, click the "Support Resources" tab, then click the "Additional Downloads" link, and finally click on the "Download Now" button next to the "Quick Router Setup" entry.
This will download an executable file to your Windows machine. Be sure to save the file to your desktop, and then double-click the .exe file and follow the directions.

If you have lost windows password, the best thing for you is creating a password reset disk.Actually,when you add a password to your pc,the first thing you should do is creating a disk in case you lost the password.But how to make a password reset disk after you have lost the password ? Follow these
You need to prepare:
1:A blank CD/DVD or USB flash drive
2.A computer which can link to internet
3.A program called Windows Password Key
Then let's begin
Step 1.Login to a PC which can link to internet,Download and install the program from in that PC
Step 2.Run the program and burn to CD/DVD OR USB flash drive
Step 3.Turn to your locked PC,insert the newly create CD or USB to your drive.Reboot the Computer and then follow the instructions,it is very easy to use.

It is not possible due to incompatibility, All dish VIp seris recrvs can utilize an external hard drive but is still different format styles from a pc. it will erase all your porgrams whenh you move it from device to device. at this time the USB ports are disable on the 625 DVR.

LOOK AT BACK OF LINK BOX FOR A SMALL HOLE WHEN FOUND TURN POWER OFF ON BOX PUSH TIP OF PEN INTO HOLE THEN TURN POWER BACK ON THIS WILL RESET MEMORY

please reset your router, to restart the router

You don't need a disk to set your router
You can get help here:

http://www.microsoft.com/athome/moredone/wirelesssetup.mspx

Then do this:

Setting wireless network on Win XP
Click your Start Button
Select and click Control Panel
Select Network Connections
Select Wireless Network Connections
Right click
Select View Available Wireless Networks
5. Highlight the network you want to connect to
Click Advanced
6. Select the wireless network tab
7. Highlight the network in the available networks window
9. Click configure
9. IN the Properties Window
Double check the SSID (network name)
Enter the WEP KEY provided to you by the office
Click OK

You can donwload the software for your printer from this link, just select the operating sysrem that your computer is using http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?lc=en&dlc=en&cc=us&lang=en&product=90809&

when tech support says they've never heard of a problem like this they are either inexperienced or lying. there was most likely a small power surge that caused it to reset like that. if the problem persists, insist on a replacement reciever and consider getting a computer surge protector with a small battery back-up.