Question about HP TouchSmart IQ504 PC Desktop
LED on power supply lights up green. Built-in desktop lamp at bottom of screen lights up. When I pess the power button there is no response
It would seem that your power supply has failed. If you can open it you should check all of the connectors inside are tight. Make sure the power is off and the mains lead is unplugged from the wall.
Posted on Apr 20, 2013
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Posted on Jan 02, 2017
SOURCE: hp pavillion desktop will not
Step 1 : Turn off the system by pressing the power button for 5 - 10 sec until the power LED is off. Removed all cables including the power cable (Exclude monitor cable and KeyBoard/Mouse).
Step 2 : Press power button for 5-10 sec again to drain fela power.
Step 3 : Reconnect the power cable at the back of the tower/computer and power on the system.
**If the same problem exists, Call HP tech Support (800-474-6836) because there is a high possibility that you have a bad Motherboard or Power Supply on the system.
Posted on Oct 28, 2008
SOURCE: My HP touchsmart desktop powers
First of all try shutting down the computer completely, and unplugging it from the wall for about 5 minutes. Sometimes this is enough to reset the internal usb devices. This computer gets very hot, and can drop devices when overheating. If that doesn't work then try plugging in a wired usb mouse, then do a rollback using system restore to the last known working state. Also think about any recently installed programs and how they may have affected your computers sanity. Does the touchscreen still make sound when pressed? The nextwindow touchscreen should always work, even if not properly calibrated it should always be on, because its controllers are hardware, unlike other touchscreens that use software to calibrate. Check the device manager to see if any HID compliant mouse devices are listed at all. There should be at least two, one for the screen and one for the mouse.
Posted on Feb 10, 2009
SOURCE: power light flashing
Sounds like the Power Supply is bad likes its not able to power on itself. Best thing to do, try a different known good power supply and attach it to the motherboard, if you get the same symptom with the machine not powering on then its a bad motherboard. If the machine does power on then you know your original power supply is bad.
Posted on May 28, 2009
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