General Computer question

I just installed 2 SIMM 16 Meg of memory into a PC.  After installation the user said the PC was running slower than it was when it only had 16M of memory.  I took out the 32 M of memory and replaced it with the original 16 M.  After rebooting I get an error that there is a HDC Error.  I went into setup to autodetect the hard drive and it could not find it.  I reseated the controller card and the memory and rebooted.  Now the PC doesnt't even recognize the floppy drive.  Before installing the new memory the machine ran fine.  Has the controller card gone bad this suddenly or it this a result of the memory upgrade?  At a loss.
swebbAsked:
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henrieCommented:
1. Did you keep static electricity in mind? This can most certainly have damaged your card.
2. Also, did you check the cables on both sides? (card and drives). Maybe you had to disconnect them to get acces to the Simm banks.
3. Try the HDC in another slot.
4. Did you get a CMOS error after replacing the memory? If so, maybe your settings in BIOS are incorrect.

If this all doesn't work you'll have to replace the controller card.

Let me know if it didn't work, so we can continue searching.
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