Intermittent power connector. I'm looking for the procedure to remove mother board
I have an Asus z7100 laptop. The power connector is intermittent. Is there a step by step procedure to remover the mother board. I'm just looking for some direction... No reason for me to reinvent the "WHEEL".
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The problem may be in the video cord from the screen to the motherboard, sometimes the plugin works it's way loose from the main board, if the lid is extended back that is where the intermittent symptoms tend to appear.
It is possible you have a intermittent power on/off button that is not working properly, remove main battery to see if that will help, if not! unplug power supply from laptop and remove main battery, next press and hold power for 2 minutes to get rid of any residual voltage, now put everything back together and power up.
1. check your battery , it may not be getting a charge from the power supply. 2. check the connector for the power adapter it could be damaged at the main board or intermittent due to stress at the solder joints on the main-board or mother board. 3. check the power adapter cord also it could have a break at the strain relief at the connector that goes to the laptop. 4. Unit battery age can contribute to early shutoff on a laptop also. Have your battery checked. It may have a weak cell in it and needs replacement.
1. the keypad needs replace or the ribbon cable to the mother board has a intermittent connection. 2. this will require dis-assembly to detect. I suspect the key board is defective and need replacement.
first you connect your harddisk data cable to mother board
connect your hard disk powercode using smps
connect smps 24pine connector threw mother board
connect 12v connector threw mother board
connect cpu&external fan connections
also connect the front panel connections on mother board using mother board details
Power supply fan needs +12 Volt, LED needs +5V, can you measure the voltages? black: ground red: +5V yellow: +12V there are more voltages on the mainboard connector: -12V,-5V,+3.3V pls check If one of them is missing, your powersupply is dead
Sorry I lost my password. This is a common problem with the 610 and other laptops. This repair is not for a Novice. Please get the maintance manual from dell go to dell support its free and know the disassembly procedures for tearing your laptop apart. Remove the bezel on top of your keyboard. The start button is on a small pc board. The problem is on the connector on the bottom of this board that commects to the Mother board of your computer. Remove all external, and plug in devices to your laptop. including the battery. After removing the keyboard, the top plastic cover, the start pc board, ect. you can see the connector from the start board that connects to the mother board. Look carefully and gently see if this connector is loose. The mother board connector is supported by 2 silver looking braces on each end. gently see if they are loose. I bet that one end has broken loose from the mother board. re solder the loose end to the mother board. be careful not to damage anything as I said this is not for the novice. (with the laptop in pieces put the startup pc board back in, temporairly put the battery in and push the start button. If the led's glow, this is where the problem is. While your laptop is apart check for dust ect. You may need to remove the heat sink , and a back support brace to get to the mother board connector to re solder it.
This has been a problem on 3 of my friends laptops Pushing on a button harder and harder doesn't solve the problem. It's not the button .Now you know the rest of the story. http://support.dell.com/edocs/system/latd610/en/sm_en/index.htm
Hopes this helps just remember where all the extra screws go when you re assemble your laptop
You have 2 choices.. One : You can Desolder the DC Power Jack from the mainboard, clean the pins and connections on the board, then Resolder the DC Power jack back on. Or TWO: purchase a new DC Power Jack and Remove old one / replace with new one.. This will fix your Laptop Power problem..