Question about HP Compaq dc7100 PC Desktop
My CPU Case door seems to be locked internally. It is a Compaq/HP DC7100, CMT style. This is a vertical floor standing medium size tower. The case has one side with a black plastic lever. I have removed all screws, but when I lift the lever it doesn't seem to release anything inside. It's also impossible to simply pull the door backwards and slide it off like a normal plain case. The machine cannot power on - the power supply has burned out (with an unmistakable smell). I'm hoping there is a secret release somewhere, like the old floppy drives used to have a little hole for a paper clip...
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Posted on Jan 02, 2017
First, turn off the PC, remove the power cord from the back of the PC to remove the 115 volts then push the power button for a second or two so the capacitors will discharge. This is important because the residual charge can cause Motherboard damage especially when changing the RAM. You should follow this process ANYTIME you enter the PC case to make changes, etc.
To remove the side panel on a Pavilion 700x series:
Only one side panel allows access to the inside of the Pavilion case, the left side if looking from the front of the PC. The left side panel has knurled thumbscrews, not machine screws. Loosen the thumbscrews, they are designed to stay attached to the side panel, place your hand on the middle of the side panel and with inward force push the panel towards the back. The panel will slide and inch or two and you can pull it free. This proccess is easier if the PC is unplugged (push the power button on the front of the PC after pulling the power cord to dischard the capacitors) and the right side of the PC laying on the floor. This allows easy access to the left panel and allows light to enter the case from above to change/add the RAM you want to install.
Posted on Mar 04, 2009
The reason you can smell burning plastic and why its shutting down after a short time is because its overheating. This can be caused by a build up of dust on the CPU fan, overtime with dust build up computers struggle to keep themselves cool and tend to shut down unexpectedly, chances are this is the problem with your machine, my advice would be to remove the power cord, open the side panel of the computer and clean all the dust away from inside the tower, do this with a soft, clean paintbrush making sure you remove the dust carefully and gently, also make sure the CPU fan and the heat sync behind it is completely free of dust or any other foreign objects.
Once you are happy that its clear of dust, close or return the side panel, plug in the power cord and turn the PC on, you may find that the PC will stay on for longer with the smell dramatically reduced.
Please post back with the results and thanks for using FixYa!!
Posted on May 22, 2009
Hi im Rain.
Ok when installing components inside a motherboard always use a ESD braclet that will ground you to your computer. Failure to use a ESD braclet can fry parts in your system. if you have replaced the cmos battery and it still will not keep yime . The problem may be the motherboard its self. Make sure that you have installed the correct battery for your systems CMOS. If that fails you will need to replace your motherboard.
Posted on Jan 13, 2010
If the drive is trashed, just force the drawer open. If you don't want to do that, you should be able to disassemble the drive enough to get the disk out by removing screws... Sometimes the screws are underneath stickers, or warranty stickers, etc etc.
Posted on May 09, 2010
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