I have to restart to start it working again. Lift up the keyboard and place it upside down on the palm rest. Andrew, I think this could be a software related problem. I came to the point where, at times, when ever I turned it on, it would turn on and off automatically every two seconds unless I pressed the ALT button. If you have only one module, try moving it into the empty slot. You should make this a general post somewhere out on the www.

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HP Compaq manuals | Laptop Repair

The lights, the fan and the hard drive would turn on for only a second then it would shutdown. If you get video on the screen without the hard drive installed, but no video with the hard drive, most likely this is your problem. Boris D, Could be bad compaq presario c502us. M c5002us standard type ac adapter plug tip.

How to disassemble Compaq Presario F – Inside my laptop

When I move my LCD back and forth, my screen goes blank although my computer is working. One more question, I read where someone had a stuck switch that stayed off when the laptop compaq presario c502us opened. These are what I need to replace on mine now Fompaq believe.

Laptop has bad video on the LCD screen.

How to disassemble Compaq Presario F700

At least, it was enough for the Presario F I was taking apart. Right after that my screen stopped working. It just stops at that point. The back of my notebook seems to still be attached by the fan.

I puted thermal grease between cpu and the fan. Apparently one of the connectors on motherboard or video card has a cracked solder joint and has to be resolered. Find the c5002us number and search x502us google or ebay. The repair compaq presario c502us re-flowing the solder compaq presario c502us the GPU chip. Debi May 15, Unplug the LCD cable from the motherboard.

Go to manuals 4. The USb harness is not there. Also, compaw two months before this problem started I noticed that the disk drive compaq presario c502us not working. Rikie, How many RAM modules are installed in the laptop? All these manuals are available from the HP website.

Compaq presario c502us, I just received a replacement inverter.

HP Compaq manuals

See PJ for the 90 watt 4. Great, I ordered a new mainboard.

When I try to turn it on somtimes it will come on for a few seconds then compaq presario c502us off for a few then come on for a few…it will do this sometimes for a minute or two, fompaq it happened for about a half an hour. How many modules you have installed?

Thank you for all. Remove three screws securing the memory cover and two screws securing the hard drive cover. Yours in Electric-Ladyland, Carrington. Find the maintenance and service guide and open it up pdf file, some of presrio are huge 5. I also switch my power suply between L and the broken one.

Back up all personal files and reinstall Windows from scratch using the recovery disc or recovery partition on the hard drive if you have any. Boot from the Vista installation CD.

I have compaq presario c502us compaq armada that will not charge the battery. Skip to Main Content. Someone may compaq presario c502us it for parts. I would like to take the laptop apart and rewire the square plug to accept a standard and compaq presario c502us to aquire round plug. Is there a good web sight to purchase a cooling fan for this unit?

I found an old credit card useful for separating compqa top cover. Simply remove the keyboard and spray air into the fan until all dust is gone. Beau travail — Merci.

Compaq presario c502us ideas I can try? But… you can try another model which may offer it. Here are links to manuals with step-by-step disassembly instructions. Daniel April 17, Try removing them one by one and test the laptop with each module separately. I do very appreciate and thank for the easy steps to disassemble the Compaq Presario F Powered compaq presario c502us Zen Cart.

Just trying to figure out where the bios chip is located exactly? Try replacing it with another working memory module. Did check disk started on its own? Its had a trip off the top of a car going 30MPH,kid riped some keys off,and just about blown up cuz of hard core gameing,but only know is it giveing me a fit.