Question 1

does this have wireless capabilities?

Accepted Answer

NO, few if any "desktop" computers come with WiFi.  It is very easy to add with a plug in USB wireless adapter (like the Rosewill RNX-N180UBE that I used) or a wireless card if you feel comfortable popping the case off and adding an internal card.

It does have an Ethernet RJ-45 connection for wired networking.

Question 2

does this come with the reinstall disc. is the ram memory welded or can i remove and upgrade them?

Accepted Answer

No install disc but I prefer to create my own.
I haven't opened the box up but I would assume the ram is changeable. I've never seen a non-corp PC with embedded ram in a decade.

Question 3

Does this include wireless connectivity?

Accepted Answer

No. This is your typical work computer. Not wireless, no fancy video card but a solid, stable work machine.

Question 4

I upgraded the motherboard in this, after the free upgrade to windows 10, and now it says that the product key is invalid. is there a way to get the original product key so i can validate my install?

Accepted Answer

Wow, I am not sure I haven't done the upgrade on that computer yet. Was waiting for all the bugs to get worked out, before I did the upgrade. Did you create rescue disks when you got the computer that you could reset it back to original Windows 7 and then redo your update?

Question 5

Is there space inside for a second hard drive?  Can't quite tell from the pictures.  Thank you!

Accepted Answer

There is an open floppy bay underneath the DVD drive and two open SATA ports. This should be ably to accept a laptop / 2.5" drive.  You may have to cut steel to mount a full size drive.  (I didn't check to see if the mounts a removable.)

Question 6

Does this computer support 2 monitors to be connected to it?
Thanks.

Accepted Answer

As configured it does not support 2 monitors but there are expansion slots to add that functionality via a 3rd party video card.

Question 7

Does this computer support 2 monitors to be connected to it?

Accepted Answer

Not on the mother board. You will need a seprate graphics card, low power and low profile.

Question 8

What is the overall weight of main box (not including the keyboard and mouse)?

Accepted Answer

I'm guessing 8 to 10 lbs.?

Question 9

Looking for a computer that will work well with photoshop and 3d rendering programs. Will this computer be a good purchase for me? Thanks in advance. How is the Graphics Card. Can it be updated?

Accepted Answer

You can look at the pictures and zoom in on the one with the Windows COA but look closely at the Hp dc7900 sticker and you will see that it states it includes the E8400 CPU. It's a decent system. I added a pair of 4GB memory sticks for $31 bringing the total up to 6GB of RAM & can run Photoshop (I am running v10.0) using on it. It comes with an Intel GMA 4500 Graphics which is okay for most 2D and some games. You will want updated RAM for Photoshop

Question 10

Can you describe the graphics card on this model?

Accepted Answer

It doesn't say this in the description but the CPU is and Intel Core 2 Duo model E8400, which does not include integrated graphics. I am currently running any 8-bit style game I can throw at it and DOTA 2 at medium graphics settings. The other problem I've run into is that in order to upgrade the graphics card you need a low-profile card which are considerably worse than the current gen of cards.

Brand	HP Compaq
Model	DC7900

Type	Business Desktops & Workstations
Form Factor	Slim/Small Form Factor
Usage	Business
Processor	Intel Core 2 Duo 3.0GHz
Processor Main Features	64 bit Dual Core Processor
Memory	8GB
Storage	1TB
Optical Drive	DVD ROM
Operating System	Windows 7 Professional 64-Bit

CPU Type	Core 2 Duo
CPU Name	3.00GHz
CPU Main Features	64 bit Dual Core Processor

HP Compaq Desktop PC DC7900 3.00GHz 8GB 1TB HDD Windows 7 Professional 64-Bit

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Item#: N82E16883280478