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NO POWER My unit restarts every hour.  I tried tightening the connections of cables and peripherals but it still occurs.  When I tried disassembling to clean all the parts and returning them back, the PC performed normally.  But after a week, the PC started to restart again.  One morning, it does not turn on anymore.  I tried to change the battery and the power supply but it is still the same. What could be wrong on this?

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  • Anonymous Dec 17, 2007

    Placed my dimm card backwards and now computer will nopt restart monitor turns black.

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There is also the factor of the PC over heating and self shutdown so not to fry the CPU, North bridge. try replacing the heatsink with a better one or try and put more fans into the case. 

Posted on Nov 29, 2008

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Did you hear any beep? What's the brand/model of your motherboard? It could be a memory problem. I also experienced the same when i upgraded my memory module. Sometimes my system runs fine, but eventually it will restart... then could not open.

Try checking the memory size when your computer boots up. If it doesn't match on the total memory ram connected to your pc, then you must test each of your module (if you have many) and replace the faulty module by a new one.

Posted on Dec 18, 2007

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Hi I have Panasonic camcorder hoc-hs700 when turn on camra after few second later message on screen hdd error occurred please turn off unit and on again I have done that several time .but not luck pl


Hello there .
Well according to a manual,
Sounds like the Hard Drive is faulty.
"ERROR OCCURRED. PLEASE TURN UNIT OFF, THEN TURN ON AGAIN." is displayed.

The unit has automatically detected an error. Restart
the unit by turning the power off and on.

The power will be turned off in about 1 minute if the
power is not turned off and on.

Repair is needed if it is repeatedly displayed even if it is restarted. Detach the power connected, contact consumer support. ( Do not attempt to repair the unit by yourself

So......why not try a FORMAT of the Hard disk drive which seems to be at fault....nothing to lose friend Worth a try !!!!
Page 142 of this manual http://service.us.panasonic.com/OPERMANPDF/HDCHS700-MUL.PDF

Sep 16, 2014 | Lands Phones

1 Answer

Comes up when switched on protection


Protect occurs when 1 or more of your speaker wires is touching somewhere. Power off the receiver, connect speaker wires to receiver and speakers again, power back on, should fix the issue.


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.


Also use the link below..

http://www.youtube.com/watch?v=h9SPYjPBg4M

Take care..

Mar 21, 2011 | Audio Players & Recorders

1 Answer

My computer says check cable connection no bootable device-insert boot disk and press any key. I cant get into my computer because of this. I restart it and same error.


This error occurs because your hard drive is not detected by your PC. If you can open the tray of your hard disk and try to tighten the cable that is connected to the HD it may fix the problem.


Thanks for using Fixya.

Jan 24, 2011 | Acer Aspire One PC Notebook

1 Answer

I have a 1Tb Samsung Story external drive which I use to backup my Mac. The drive is plugged in almost all the time but only powers up when the Mac initiates a backup. As of yesterday the Samsung won't...


An external disk-drive has four major components:

* the USB cable,

* an "internal" disk-drive inside the enclosure,

* a USB-to-disk-drive adapter inside the enclosure.

* a power-supply (only if the disk-drive is a "desktop" drive;
a "laptop" disk-drive gets enough power through the USB cable)

So,

* change the USB cable,

* try connecting to a different USB port,

* try connecting to a different computer,

* disassemble the enclosure, and remove the disk-drive.
Temporarily connect it as a "slave" disk-drive into a desktop computer, to see if bypassing that adapter bypasses the problem,

* get the model-number and serial-number from the label on the disk-drive, and access Samsung's web-site, to check the warranty-status of your specific drive. If the warranty still is valid, then exercise the warranty to get a replacement.

* if the disk-drive is out-of-warranty, purchase a new, compatible, disk-drive, and connect it into the case, to "reconstitute" your external device.

* if the data on your disk-drive is "important", search online for professional "data recovery" services. For a large fee, they can repair a "dead" disk-drive, just long-enough to copy all your files, and give you the copy.


Oct 30, 2010 | Computers & Internet

1 Answer

My entire keyboard is disabled. Never happened before. Occurred at boot up


There is not so much that could be done to repair a keyboard. Disassemble the laptop, check the ribbon cable connecting the keyboard to the motherboard. If the ribbon cable is loose, tighten it. If it is tight, replace the keyboard with a new one.

Sep 23, 2010 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

Why my pc keeps on rebooting(restarting) by itself, again and again??? what should i do??? pls. help...


A corrupt OS or software might have caused it, or a defective hardware, try to re-istall your OS and tighten up loose cables and peripherals (memory module, IDE/Serial ATA cable) inside your System Unit see if it works, hope this helps.

Oct 21, 2009 | Computers & Internet

3 Answers

Computer Power comes on, shows compaq first screen, then everything stops. press esc, F10 or F12 and nothing happens. just continues to show the compaq screen. Any suggestions?


Try unplugging everything you can from the computer. Only leave keyboard, monitor, and power cables connected. Then try to turn on again. If computer boots now, then start adding peripherals back one at a time, rebooting each time. when you get the hang, there is your suspect peripheral.

Also, is the monitor itself having issues, or is it the computer? Look at the power light on the monitor, is it staying green, or is turning back to same color when it is in standby state?

Oct 02, 2009 | HP Compaq Presario SR1420nx...

1 Answer

Hello, the whole screen froze up. the cursor wont move. it cant be powered off either. i badly need help. please....


Hello my friend, you are experiencing a system hang up. In order to restart your system you'll have to long press the power button on your computer or laptop then do not release it until the computer/laptop will not turn off. If the computer/laptop will turn off check first the system unit tighten the connectors and then restart your computer again. If it won't work then remove the power cable connected on your computer system unit to your avr or Automatic Voltage Regulator.
Thanks 

Jun 29, 2009 | Computers & Internet

2 Answers

My Stereo Is Always On Protect Can It Be Easily Fixed


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

May 27, 2009 | Sony Audio Players & Recorders

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