E52 power issues

I have an E52 and lately I encounter problems (electrical in nature).
Details:
1. Many times it shuts off while in standby.
2. To activate the device I first must remove the battery, put it back and after repeated attempts it will turn on. If the battery is not removed, then the characteristic hum cannot be heard and it does not turn on.
3. In order to charge it the usb must be plugged/unplugged few times until the charging indicator comes on.
4. While charging the progress bar will stop and then i would have to unplug the usb and redo it.
The software has been upgraded after format. The battery is in good condition and lasts. There is no problem to connect with pc.
Any contribution to solving the problem will acceptable because it is a very good phone and do not want to change it.
Deltaepsilon

Sorry to hear of your E52 now giving you these problems. Are you in a particularly humid country which may account for these various "electrical" symptoms now starting to appear perhaps due to corrosion having been initiated?
Happy to have helped forum in a small way with a Support Ratio = 37.0

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I am a Volunteer to help others on here-not a HP employee.
Replies aren't online 24/7 because of Time Zone differences.
Remember in this Day and Age of Computing the Internet is Knowledge at your fingertips if you choose understand it. -2015-

Mysterious Mac Pro Power Issue

Model Name:          Mac Pro
Model Identifier:          MacPro3,1
Processor Name:          Quad-Core Intel Xeon
Processor Speed:          2.8 GHz
Number Of Processors:          2
Total Number Of Cores:          8
L2 Cache (per processor):          12 MB
Memory:          4 GB
Bus Speed:          1.6 GHz
Boot ROM Version:          MP31.006C.B05
SMC Version (system):          1.25f4
I recently moved my MacPro to a new building. Almost immediately it started taking a long time to boot. Twice it hung on the blue screen for approximately 10 minutes before continuing to the login screen. Problems were intermittent, sometimes it would boot fine. Then it started having trouble powering on at all. It would click and the light would turn on and off in less than 5 seconds. I took it to a different building: no powering on. I took it twice to the Apple store for the same problem, it turned on both times so I had to take it back with no help. Back at the original building, the computer turns on sometimes after leaving it unplugged overnight. I suspected an issue with the power in the building so I plugged it into a UPS. Initially it was only on a Surge Protector. On one recent occasion I accidentally nudged it with my knee and it powered down and back up. On another occasion I was sitting still watching a video and it powered down and back up with no intervention.
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make sure to use something in 1000VA or better for your UPS and that it can support your system. May seem like $200 is a lot but then they work and give you adequate shutdown or to ride out a 5 minute power issue.
UPS
http://www.amazon.com/CyberPower-CP1500PFCLCD-Compatible-1500VA-Tower/dp/B00429N 19W/
you don't need to nor is it that effective to leave unplugged over night or something.
hit the power on for 10 seconds while every cord and device is unplugged though.
Resetting the System Management Controller (SMC)
https://support.apple.com/kb/HT3964

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Wondered if anyone else had this issue. I have a Mac Pro from mid 2008. Recently, it has done the following:
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- It will only fully power up after about 30-40 attempts...
Also, it will now sometimes just power off completely without warning.
Anyone else had these issues? It doesn't seem to be a graphics card issue.

Some more info on this problem, hopefully someone can help.
More system details:
Early 2008 Mac Pro
No extra memory or internal installations - just 2gb ram.
I found another thread which describes my problem completely....
"Problem 1: In the morning when I turn it on, on some occasions it will power on for 5 or so seconds, then power right back off again. Sometimes this happens after 5, 10 or even 20 seconds (right in the middle of OS X or Windows boot). The only thing I note is that if it can get as far as the boot selector (hold alt at boot) screen, it won't cut out at that point, only sometimes after I wait a moment then select a boot option. This can sometimes happen 10 or 20 times in a row before it will eventually turn on and function normally.
Problem 2: Random power cut off, sometimes at idle, sometimes while browsing, or using any other app. I can't pin it on any one particular function. I know it's not a temperature problem, I have temp monitors on my menu bar and as far as I can see it's been fairly stable in that regard. Most of the time, I can power up the computer again but very occasionally it will revert to what I described in problem 1.
I have run the apple hardware test, with no errors being produced, and have had the local apple reseller/service centre take a look, with their tech reporting no issues. (He referred to something called ARD being run on a cycle of 20 or 30 times with nothing indicating a problem) I've taken off every non essential piece of hardware, tried with only the stock ram - and the newer ram to no avail of my issues. The only thing that I can still suspect myself is a power issue, however there is another PC in the room that has not had any issues what-so-ever."
Needless to say I'll be soooooo disappointed if this 'top-end' machine has only got hardware to last 2.5 years. My pitifully power-less Dell has lasted longer.
Any advice please...?

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Hi,
First, I don't know what do you mean when you said "power issues"
Is it not holding any charge? or is it really not turning ON?
If the battery has been replaced already, then it requires servicing already. It needs to be sent to them.
It is still under warranty but i have to pay for phone tech support - if you suspect that your laptop has HW problem then you don't need to pay for the technical support as long as it is still under warranty. However that would really depend on what kind of power issue you are having.
*********Click on Kudos if it helped you. Thanks! ***********

E52 power issues

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