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Case 1840 shuts down while using then starts up???? What would cause this issue?

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My Toshiba c-55 wont turn on the white button light flashes 4 or 5 times and then stops but it never turns on.


I heard of many power issues with these models. Mostly concearning the battery, it sounds like this may well be the case from the 'light flashing' issue.

The other problem involving slow start up/ being laggy could be down to the machine running hot and Windows is using passive cooling in the power options, or a failing hard drive can also cause software problems.

Dec 25, 2014 | Toshiba Satellite Computers & Internet

1 Answer

Computer shuts down on its own. First it starting


Could be HArd disk drive issue or Windows OS issue, try repair windows operating system before you change your hard disk drive , good luck

Aug 07, 2013 | Computers & Internet

1 Answer

Windows shuts down unexpectedly


This problem has been solved. There was intermittent contact inside the power switch on the front of the case causing the motherboard to issue a shut-down request to the operating system. Switch replaced and system is now stable.

Oct 06, 2012 | ASUS M3N WS Motherboard

1 Answer

Inspiron 518 - intermittent power up, amber light blinks once and then stays off


Usually if it has boot issues it is from the ram memory ..specially if it does like you said ..only ask for repeated action when it is cold..So , check the ram memory to be well plugged in ..and if you made changes , check for the specs on the newer ram module and be sure it is not on a higher speed or so ..cause it will not read it well and issues will be caused by it ..
another thing can be some bad points on the hard disk ..and if you get a bad on the system it may fail to load for good..The idea is to reinstall the operation system from scratch using a boot-able disk ..and this may fix the issue for the moment ..until it will be stuck with a system file in a weak point ..
The reinstalling is recommended also in case you added more ram memory and never reinstalled This action will force the computer to recognize the ram memory in proper way and run better ..
If you see it is always makes issues when you put it to sleep mode or shut down ..you may enable the hibernate mode (from the power management panel ..(somewhere near the screen saver settings in the desktop properties ) ..and after that select for the actions when you press the main button to go to hibernate mode..This mode will always save what you have running and it is slightly different from the shut down cause it saves the running program and teh configuration used on moment ..and just load back the same way ..and it may force it to use the same points on the hard disk all over again when it starts ..
I used this mode on computers with hard disk issues and it always worked better than starting over again ..
I hope it was helpful and please do not forget to rate my answer ..
Have a good day !

Nov 14, 2011 | Dell Inspiron 518 Desktop Computer

2 Answers

Computer just turns itself off when using but gives no indication that its trying to shut down.


Hello and thanks for using Fixya ...
This issue you described it can have several different causes...
first it can be a virus causing something and as a prevention the computer is turning itself down to avoid damages...and in this case you should be able to fix it by reinstalling the operation system from scratch ..using a bootable disk with the OS on ..and formatting the hard drive C partition during the installation to get rid of eventual bugs..
Ifr after this operation the computer is still doing the same ..it indicates that the cause it is of a physical damage or compatibility issue..
Chech the ram memory not to be damaged...and do this by uing the computer with only one module at the time ..and let it work untill it does the same or not...Keep the modules that do not cause the shut down ..and replace the others..
If the shuting down is actually a restart ..and it does it after showing the blue screen error ..than the cause is almost for sure the Ram memory units...and even if they are not damaged...the cause can be just a compatibility issue ..Check on the web for the specs of the motherboard...and see what they say about the Ram memory speed amd maximum value ..For example ..if your computer was build to use Ram memory up to 533 mhz or 667 ...and you use same DDr2 modules but the speed is up to 800 Mhz ..it is possibleto work a while and after that to start making problems on start up ..and shuting down suddenly with no warning ..and work fine if you restart it ..but ...making the same sympthoms after a while ..(usually the interval is smaller after it is warming up ..)
In this case you need to buy replacement and whith the exact specs like the ones in the manual..
Also do not use the maximum value supported..but for example if you have 2 slots suporting 1 G each ...use one with 1G and one with 512 M and it will work for sure..
another cause can be a CPU related ...if in BIOS settings it was by mistake or as a protection ..set a maximum allowed teperature...This will cause automatic shut down when the cpu gets to that temperature...The best way to avoid this ..is to get into BIOS ..and engage the optimal factory settings from the function key indicated by your Bios edition ..and after that use the F10 key to save the settings and exit..This will prevent the shut down if it is related with a strange setting made in bios..
If after all these the issue is still present ..the only thing that can be damaged is the motherboard...and it is probably something sensitive on temperature..and it works fine untill getting to the critical value..
This wil aply also to the power source ...If the fan is not working or it is dirty and do not do the job ...the power source can actually shut itself down as a protection when it gets to a certain temp.value..
have a nice day ...and I hope this will help ..

Nov 05, 2011 | Packard Bell iMedia 6826 (P481000502) PC...

1 Answer

My hp mini won't shut down or show the task manager


You will have to figure out what the lockup is as well. That could be a program or windows or even a overheating issue as the cause. Or it can be one of those things that it just does to irritate the heck out of you and you never can figure it out ;-]

The first step is you need to shut it down. You can push and hold the power button down. If it is just a software thing this usually is enough to shut it down. The next thing to do is to take out the battery. The battery will cause windows to complain a little that it wasn't shut down properly and will want to check things on reboot. Let it do that. Once you can shut it down then you can start trying to watch for symptoms when you reboot. You can check for warm spots on the chassis or maybe a program you were running or started or in quite a few cases nothing at all.

Sep 13, 2011 | HP Mini 1000 Netbook

1 Answer

Code For Scientific Atlanta Explorer 1840 Cable Box


Try this first:

1. Press and hold SELECT and CBL until all mode keys blink twice.
2. Press 9 7 7. All mode keys blink three times. Then, after a few seconds the CBL key
blinks twice.

This put's the remote back to default. If you need more help let me know.

Jul 09, 2008 | Sony RM-V401 Remote Control

2 Answers

Shutting off


i have the same problem...laptop randomly shuts down, but its even done it within a minute of turning it on so i don't think its a heat issue. Sometimes it'll run for over an hour with no problem and never shut down, but other times it randomly shuts down sometimes within a minute, sometimes maybe 10 mins, sometimes 30 mins or more ...its maddening! i'd love to find a solution if anyone's found one. Thanks.

Apr 22, 2008 | HP Pavilion dv1000 Notebook

1 Answer

Shuts down


A Vista Upgrade from XP could cause problems, and even the one you describe, but not an "update" usually. But then again, if when it shuts itself down, if you have to press the power button twice to get it to start back up, I would say that the processor is overheating (in which case the system does this to keep from frying the CPU). If that's the case, a cleaning of the fan and heat sync could fix the problem. You could also run temperature monitoring software (plenty are available for free trials).
As always more detailed information on this issue you are having would help.
Good luck.

Feb 24, 2008 | Toshiba Satellite P205-S6287 Notebook PC

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