Question about HP Pavilion a705w PC Desktop
Hi. I have a HP Pavilion PC Desktop. It doesn't turn on anymore. The on button on the front blinks and a light in the bac near the plug thing blinks too. I've unplugged it and plugged it back in. When I unplug it, the lights continue to blink for about 2 minutes and then die. Can someone please tell me what's worng with it? I appreciate any help at all.
If it is the power light on the front of the tower that slowly fades in and out, i've found that the most probable cause is some sort of hardware failure, such as with one tower i had, the DVD drive was faulty which causes it go into a sleep mode, sometimes removing the cmos battery can clear the problem, other times is where i remove the memory and turn the system on, it will beep because there's no memory installed, turn the system off again and let the system discharge of any power in it by unpluging the tower and press the power button, the power light will flash and go out, then replace the memory as long as you know the memory is good, that is thew way that i have found to reset the mother board and clear all faults.
Posted on Jan 16, 2012
The blinking button is an error code. You need to call HP and they will help you determine what the code means and how to fix the problem.
Posted on Dec 20, 2008
If Power supply light on or flashes
Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure:
CAUTION: This product contains components that are easily damaged by ElectroStatic Discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (like a conductive foam pad), and wear an ESD wrist strap that is connected to a grounded surface, like the metal frame of a PC.
1. Disconnect everything from the computer, including the power cord.
2. With the power cord disconnected , press the power button on the front of the computer for five seconds. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply
3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America.
Performing this step ensures that the voltage switch is engaged and set correctly for your country/region.
Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
4. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
5. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it.
NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
6. Remove all attached devices except for keyboard, mouse, and monitor.
7. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
Posted on Jan 12, 2009
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