Red light, No booting

i need urgent help. my 15-month-old bb curve 9360 is not switching on. i left it charged to the laptop last night, and now it's not booting.. do you know any fix? thanks a lot..

for the first few times it did show the progress bar that didn't finish loading and thus turned off again. on the third time (i guess), only the red led lighted.

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Msi p35 platinum red light on boot

there are 4 red/green boot leds .if all is well i should get 4 greens, idont i get no.1 green no.2 red and no.s 3 and 4 are green .the manual says " Initializing FloppyDrive Controller This will initialize Floppy Drive and controller." how ever i have no floppy connected and its disabled ithe bios so has anybody got any ideas on this or will it goto 4 greens once i install my os any help is welcome

Unplug the PSU from A/C power, remove the CMOS battery and leave the system in that powerless state for a while. Then plug the battery back in and retest with one memory module only.

Boot Camp Windows 7 do not recognise wifi, ethernet, USB ports and has a scary red light in audio jack output!

Hi!
I have just tried to install Windows 7 x86 version on my MacBook Pro running Mountain Lion and a couple of strange things start appearing:
    1. On the Boot Camp Assistant first screen, I tried to download the drivers and after about 15min the system responding that the server did not responded.
    2. I went further and installed the Win7 without making the ISO as requested by the assistant and with no driver burned on a CD
    3. After installed the Win7 I noticed that it did not recognise the WIFI in my home nor any other in the area;
    4. There is a freaking RED LIGHT coming from my Audio jack output that I have never seen in my life... and that scares me!
    5. The USB ports does not works on Win7 side !
    6. The ethernet does not work, Win7 just don´t recognise it...
    7. There is no Boot Camp on Win7 side to be deployed...
Basically I will use Windows to run Quicken for Windows, but I can´t acces my backups on Dropbox because I do not have intercet access, and obviously I am not going to be able to back up new files.
Is there someone able to help me?
I have:Boot Camp 5.0.0 / Win7 Ultimate x86 / MacBook 2,5Ghz Intel Core i5 MID-2012 / Memories 4GB amd 500GB/ OS X 10.8.1 / Boot Camp partition with 50Gb for Windows.
I appreciate all help!

Did you make sure to install the Bootcamp utilities after installing Windows? They can be found in the boot disk/usb flash that Bootcamp creates (check for a folder called "Windows Support").These should enable sound/video/trackpad/etc.to work with full functionaliity under Windows (you may need to reboot after doing so). After installing them, you may also want to run Windows Update to make sure you get the latest drivers.
As far as the red light, many models of Macbook Pros are equipped with a digital Audio out. You can either use the standard analog 3.5mm Stereo jack (standard headphone connector), a 3.5mm miniSPDIF digital coax or miniTOSLINK digital optical cable (hence the red light). Windows may not know how to handle to audio out port until the proper drivers are installed and it may be enabling the digital signal by default. Installing the drivers mentioned above should set this back to normal operation.
hope this helps.
Toodles!

Q10 won't boot! only red light flashing.

my phone suddenly wont respond when i was trying to open a bbm, so, i restarted the handheld. however, it wont turn on anymore. try to put off the batt, and put it back again, still won't to boot. it only does flashing the red light. i've tried to reload the software through bb link, and it has done nothing. anyone exprience the same trouble as mine? please..help me. thank you

Hey panda1111,
Welcome to the BlackBerry Support Community Forums.
Thanks for the question.
Follow the steps below to try and bring the BlackBerry Z10 back to life:
Ensure that BlackBerry Link is installed on the PC or Mac OS
Ensure the computer has an internet connection.
Launch the BlackBerry Link Software.
Note: A backup of the BlackBerry device should be tried before a reload.
Turn off the BlackBerry device. Make sure there are no flashing LEDs and that the LCD is not still being lit by the backlight. If there are any flashing LEDs, hold the power button for 15 seconds until the LEDs stop.
Connect the BlackBerry device to the computer.
When prompted with Cannot communicate with device, click Restore and then click yes allow the update to be downloaded and installed on the BlackBerry device.
If the restore button is not seen press the vertical dots in the lower right corner of BlackBerry Link and select disconnected device. Highlight the disconnected device you are working with and attempt steps 4 to 6 again.
If the issue still persists, then I suggest contacting your network service provider for repair options.
Let me know if you have any more questions.
Cheers.
VIA | ViciousFerret
http://supportforums.blackberry.com/t5/BlackBerry-Z10/BB-Z10-Died/m-p/2230087#M10125
Please thank those who help you by clicking the button.
If your issue has been solved, please resolve it by marking "Accept as Solution"

HELP! G5 not booting! red light turns on in the processor area

hi,
i have a dual 2.5ghz g5 and for a couple of days it's been acting weird. when i try to boot i hear the chime and before it finishes, it abruptly mutes and a red light goes on in the upper part of the processors area. I have seen through the side of the computer that the light is somewhere close to the processors. The computer does not continue booting, it just remains with the red light on and the fans working at normal speed.
At first it happened one time (yesterday) and then it worked normally. Now it won't work at all, even after letting it rest for a couple of hours.
Does anyone know what that light means? I hadn't seen it before. Could it be that the processor is running too hot? I live in a hot area and there's been a hot wave these days. It's reaching 87 F degrees inside but I believe that's within the correct operating temp. range.
Any help will be appreciated, and the fastest you can answer the better because i really need that computer!!
I hope it's nothing serious that require taking it to repair because I don't live near any repair service. Please help me!
thanks in advance!
dual 2.5 Ghz Power Mac G5 Mac OS X (10.4.8)

I don't think it is a heat related issue. I've got the same problem with a dual 2.7GHz G5 that's operating in a temperature controlled machine room. Or if it is a heat related issue, it's not an environmental temp problem, but some failing component.
I ran Hardware Test on it and it indicates that everything is fine with it, but as soon as it is rebooted, it does that half chime and then nothing. No status lights on the logic board either.
Once it's on, it seems to stay operating just fine. shrug
Dual 2.7GHz PowerMac G5 Mac OS X (10.4.8)

Tablet fails boot, red light, then blinking green....GRRR!!

Just as my tablet recieved the OS update, it no longer booted.
It was fully charged, and plugged into a standard micro USB at the time.
It said download was successful, restart now... so I did.
And I never could use it again.
When I tried to boot it, it had a red light, then the red light blinked a few times, then nothing.
And then, it blinked green six times. then nothing.
I tried a USB to my computer to use Blackberry Manager (latest version).
I tried of course, the various holding down the power button schemes, including the old one of holding down ALL the keys, and the new one with just the power and forward keys. Nothing.
I went on EBAY to get an OEM charger stand. I hope that works, but I don't have much hope for that.
And now, nothing. My blackberry is a brick after the update.
I came to like blackberry because of the reliability of the phone. While all of my iphone friends were crazy about tech support of apple, I replied, I don't need tech support with my blackberry (curve) nothing ever goes wrong.
But this whole situation, is getting me down.
Solved!
Go to Solution.

Connect it to the OEM wall outlet charger.
Press and hold down the power key ONLY for 20 seconds.
1. If any post helps you please click the below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
Join our BBM Channels (Beta)
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No Boot / 4 Red Lights

HI
I know this subject has been covered and I have read various accounts.
But if I may.
Can I explain what I have done, My farther-in-law had problems with his system and sent me his cpu & memory to test in mine (they are the same). I put his cpu & mem in and booted up, I got 3 red lights and 1 green i.e rgrrr , I then re-booted and got the (I,m in a mess 4 red lights).
I have taken the board apart and re-build, cleared the CMOS, removed any dust, but still I get 4 red lights, I have also removed all components exept cpu/mem/graphics, but no joy.
I know that psu is an issue but my sytem has worked ok for 3 yrs with a 300W psu.
It seems to me that my farther-in-law's mem has gone and that in turn has messed up my bios settings or something. But at the moment I have no system and nor does my father-in-law, So we are both in a BIG MESS.
HELP !!

Ok I can't read
I have had another look and it reads 0-20 A not 0.20A Sorry.
But I thought I would test my psu voltages with a meter
Only to find out that there is no DC Voltage coming out but 240V AC
So its fried
but I am hoping that it fried itself when I last powered down , as if i put 240V AC through my mobo i wouldn't have got 4 red lights ?
I will have to buy a new psu, what would you recommend , as 300W could be a little low.
Does anybody know if this was caused by me putting in a bad cpu or memory, or was it a coincidence.
Just to let you know my father-in-laws computer was identical to mine including all components (we built them at the same time)
Thanks for all you help so far

Won't boot only red light flashing

My BB Z10 unable to boot or charge once the battery all used up.
When I plug to wall or PC, only red light flashing.
Sent for repair twice, just return with a full charged battery device.
Once I used all the battery it won't charge.
I have to recharge the battery before it's all gone,
Or you have to follow the steps to reinstall the OS make it charge again.
Does it make sense? Will you accept that?
Means if I did not charge my Z10 before battery all gone, I have to do the OS recovery and ALL THE DATA GONE.

Hey panda1111,
Welcome to the BlackBerry Support Community Forums.
Thanks for the question.
Follow the steps below to try and bring the BlackBerry Z10 back to life:
Ensure that BlackBerry Link is installed on the PC or Mac OS
Ensure the computer has an internet connection.
Launch the BlackBerry Link Software.
Note: A backup of the BlackBerry device should be tried before a reload.
Turn off the BlackBerry device. Make sure there are no flashing LEDs and that the LCD is not still being lit by the backlight. If there are any flashing LEDs, hold the power button for 15 seconds until the LEDs stop.
Connect the BlackBerry device to the computer.
When prompted with Cannot communicate with device, click Restore and then click yes allow the update to be downloaded and installed on the BlackBerry device.
If the restore button is not seen press the vertical dots in the lower right corner of BlackBerry Link and select disconnected device. Highlight the disconnected device you are working with and attempt steps 4 to 6 again.
If the issue still persists, then I suggest contacting your network service provider for repair options.
Let me know if you have any more questions.
Cheers.
VIA | ViciousFerret
http://supportforums.blackberry.com/t5/BlackBerry-Z10/BB-Z10-Died/m-p/2230087#M10125
Please thank those who help you by clicking the button.
If your issue has been solved, please resolve it by marking "Accept as Solution"

Dual-Core G5 won't boot. Flashing Red Light.

Hey Guys, I've got a 2Ghz Dual-Core G5. It's stock other than 2gigs of ram and a SATA Seagate Barracuda in the second drive bay.
Every now and then (on a fairly regular basis) I'll try to boot up the computer, I do hear the fans going but the drives don't spin up as usual, there is no chime and I get a red light behind the front panel of the G5 flashing. It flashes 7 times. After the 7 flashes it just sits there and after about a minute the fans go into airplane taking off mode.
I've been on the phone with AppleCare twice. A PMU reset did (possibly coincidentally) bring the computer back once or twice but has proven ineffective since. Typically I can either try booting the computer 30 times and it eventually works or I'll just leave it alone for a couple hours and it will boot up when I try again.
Resetting the PRAM doesn't work nor does holding option on boot up. This says (at least) to me that the computer doesn't get far enough to even look at the OS, the fault seems to be a hardware issue. The keyboard and mouse never get buss power.
Anyway, as I said it'll usually work eventually but I haven't been able to get the G5 to boot at all for the past 5 hours. Anyone had any similar experience? At this point I'm thinking bad logic board? Any opinions?
Thanks!
2Ghz Dual-Core G5 Mac OS X (10.4.8)

Hi, and a Warm Welcome to Apple Discussions and the Power Mac G5 Forum!
Presumably it is one of the red LEDs shown here that is flashing
http://docs.info.apple.com/article.html?artnum=302527
The symptoms possibly don't qualify for this - but maybe with some persuasion...
http://www.apple.com/support/powermac/powersupply/repairextension/
You could try the Apple Hardware Test
http://www.thexlab.com/faqs/aht.html
or TechTool
https://support.apple.com/techtooldeluxe/main?id=dl
Presumably AppleCare suggested you take it in to the shop...?

No sound on Boot Camp (Windows 8) red light in the headphone jack ?

I have a MacBook Pro 9.2 (i7 3rd gen, HD4000, 750GB, 8GB) and i install Windows 8 Pro 64 bit. I have a issue with my headphone jack only when i use BootCamp i have the latest driver for it (download from bootcamp application OSX). I see that inside of the headphone jack there is a red light i think that it is the optical out of it. I try to reinstall the driver no succes. Now i need help to fix it

The red light means you have jammed the digital audio jack by inserting an analog plug too far. It is not a BootCamp issie--can happen to people without BootCamp. Here is the reason for the problem I posted in another thread:
Background, or "why this happens": the audio-out port on a modern Mac is digital and is held to high dimensional standards. Most headphones have an analog plug not made to such standards. The specific issue is the the "tip-to-stop shoulder" distance on many analog plugs is just a bit longer than on a digital one and jams the "mute" contact inside the port in the muted position. <deleted>'s advice to insert a plug and gently wiggle it in the horizontal plane is exactly on target unless you are under warranty, which would still necessitate a trip to an Apple store for service.
The best action is prevention. When connecting headphones (or external speakers), put on the headphones and have an audio track running BEFORE you insert the plug. Insert the plug slowly, listening for sound on both channels and, when you hear it, STOP INSERTING.
Bottom line is you do NOT want to insert any random plug "to the hilt" until you know it is dimensioned to fit a digital port.
My MacBook Pro has the same jack. I have a pair of decent-quality, name-brand headphones and their plug is not to spec. This picture shows their plug in the port at a position that delivers proper sound and does not let the plug fall out:
Note that the shoulder is about 1/16-inch from contacting the computer case. It is secure in this position.
Every plug is different. I have a pair of El Cheapo external speakers I picked up for US$2 at a yard sale and their plug fits perfectly on my Macs with a digital audio port. Go figure!

G5 won't boot, no chime, solid red light, fan rush and no display!

Hello,
As the title states my power mac g5 doesn't start..I suspect it's for the scrap, but hold out hope.
It's around 2005 model. 2.0ghz
Ok so I turn on, fans go into overdrive, red light comes on and does not blink at all, stays solid.
No display, it also does not chime.. Just sits in fan overdrive and solid red light..
I hold the power button to turn off and it does.. No led flashes.. Red light is the one behind the power button, no other lights on..
Help would be greatly appreciated... Have looked at so many links, but they don't have the exact same problem
Thanks in advance.... Innit!

Hello,
Fans going full blast is normal if the OS doesn't load OK.
I suspect this...
If you're sure the RAM is good, try the Hair Dryer trick...
http://discussions.apple.com/message.jspa?messageID=13240047#13240047
https://discussions.apple.com/message/15223603#15223603
https://discussions.apple.com/message/15499912#15499912
https://discussions.apple.com/message/15613068#15613068
https://discussions.apple.com/thread/3270112
https://discussions.apple.com/message/16053892#16053892
No power light at all...
https://discussions.apple.com/thread/3692775?tstart=0
It can show on any G5, and even many other computers & electronic devices of the period.
http://www.macintouch.com/reliability/pmg5.html
http://lowendmac.com/ppc/power-macintosh-g5.html
And see this last one in particular...
https://discussions.apple.com/message/16781690#16781690
Heat gun better...
https://discussions.apple.com/thread/3916312?tstart=0

No startup chime, red light, fans running loud...

yeah, I know that there are other threads with the same topic, but I just wanted to know how common this problem is?
How many people have experienced this?
What are the common disturbances?
What is going on?
Why is such an expensive, powerhouse computer become such a puny electronic product because of power issues?
I posted this in another thread but,
Here's my story:
I am having the same problem.
Now before you start taking advice to back up all your data, reformat your hard drive, and reinstall all the software; please take note of a few things:
first off, I'm ****** that this is happening to me. I spend $5000+ for a "reliable" Apple computer. Then it doesn't want to turn on because its not safe. Sorry if I drown this post with bitter sarcasm but I am coming to the end of the line with my patience.
I called Apple Care, read a bunch of posts (here and elsewhere), and yes I do know about the SMU Reset button (like that really does anything?).
My problem happened a few weeks ago and I thought nothing of it at first. There was a power outage for a quick second and it turned everything off. When I went to turn on my computer, there was no chime, the red light was on, and the fans were running and eventually began running very loud. After letting it run like that in hopes of the screen lighting up, I turned it off by holding the power button. By the way, there's nothing on the screen and the keyboard doesn't work (I use a wireless keyboard, but I plugged in the OG cord keyboard to push whatever series of buttons recommended by these "geniuses") Trust me, the computer doesn't make it to that part of the boot process, so stop with commandoption+PR or F12 to get the CD out. It doesn't work! What's up with this computer! It can handle all these intense calculations,etc. but a power surge is going to shut it down indefinitely.
So I left the computer came back the next day, turned it on and its fine. Cool, I'm happy. It's Working!! I go on a few weeks, then I go to turn it on this Monday, same problem. But actually a worse situation. I had a client come over and the computer wouldn't work. I looked like a idiot. Couldn't do anything cause my computer didn't want to turn on. I do music production/editing. I use my G5 for running ProTools LE. I have other programs but that is the main one I use. There's nothing wrong with it. It's optimized for use with the mac. So those people who are going to advise me to uninstall all my software and all that - I appreciate your concern but don't give advice when you don't know anything!
So I am getting frustrated. My client left a little disappointed, but what can you do? I tried to call AppleCare on Mon. but it was Memorial Day. So I waited for Tues.
Tues morning, my computer turns on like everything is fine.
I'm happy but cautious. I talk to AppleCare rep. He tells me that it is a common problem they have heard about with the G5's. Wherever blackouts, brownouts, spikes, sags, dips, and other electricity inconsistencies occur, the Power Mac G5 has a breaker in it which flips so it doesn't receive uneven power supply and damage internal components.
I like that feature. Good thinking Apple. Protecting my investment from bad electrical grids. But I don't like the fact my computer has a mind of its own where it decides when it wants to boot or when it wants to sit there and run its fans all loud.
I shut down Tues morn to go to work. I come back in the evening, it doesn't want to boot up. Instead of getting angry trying a bunch of times to turn on/turn off the computer, I leave my house all together and go and have a few drinks. I come home ,don't even look at my computer, and go to bed.
I wake up Wed. morning. Go to turn on my computer. Successful boot. It's running. Okay, I think, I'm going to get down to the problem. I read all the logs, not like I know every piece of info, but just to see what's happening. Everything looks fine. I decide to run the AppleCare CD Tech Tool. It says restart holding down C. I do that. When the gray Apple Logo comes up, all this writing about kernals comes up and it tells me to restart or shutdown. I shutdown and attempt to restart, same problem: no chime, red light on, and fans eventually spin loud. Now the CD is stuck in there. I'm going to take it to the Apple Store tomorrow to if these "geniuses" can figure it out.
(Just a side note: Apple calls them geniuses, but its hard for me to think some disconnected college kid with a bad haircut and questionable social skills knows what's up with the power supply issues of a computer; maybe I'm wrong, but you can run your diagnostics and look at the chart of what to do and all that BUT Apple needs to listen to the people)
I am going to get a UPS (uninteruptable power supply) with a clean sine wave output to curb the issue at my end. It's not my fault I live in a area that receives uneven power output. I live in Los Angeles. Summer is starting up and I think its going to be hot, so blackouts, power dips and sags are inevitable. I just don't understand why Apple hasn't considered this problem and fixed it with something:
A recall to change the power supply, Is it something on the logic board?, are they going to reimburse me for lost income (Ha, yeah right)
I really want to know how many people are having this problem?
From what I've heard, it is a common problem.
So I think we need a common solution.
If its so common, it must be the computer. We are all going to live in different areas where the power may vary. Not all of us have the consistent power flow of 1 Infinite Loop in Cupertino, CA. So if it is such a common problem, Apple needs to fix it.
I can't spend more than five grand on a super duper computer and have it wuss out on some power issues.
Its a loss of income and productivity to me.
I can't have that anymore.
Sometimes my computer turns on, sometimes it doesn't.
I bought my PowerMac G5 in April 2006, its been about a month and a half and I'm having these problems.
Thank you for your time.
If anyone else has been having this problem, I feel for you.
It was been very difficult for me not to curse in this post, but I have tried to extend the same respect to all that use these discussion boards to create dialogue, find help, and create solutions.
LETS FIX IT!
Peace,
Swami G
Power Mac G5 Mac OS X (10.4.6) Dual 2.3 Ghz / 4.5 GB RAM

Well, you can see my specs below. I have the same problems as you, just worse. I am also running (as I have my previous systems) on an APC Smart-UPS 2200, and it doesn't solve this problem.
I bought my machine last December. In early March (just 2 days before my 90 days of phone support were up), I woke the computer from sleep to check email; about 5 minutes later it just froze. I had to force it down, but it never even got to the startup chime.
Called Apple, bought Apple Care on the spot, spent about 45 minutes on the phone with two levels of support, and Apple couldn't really diagnose the problem. They decided to send out a replacement logic board, processor unit and power supply for on-site service (I don't have an Apple service center nearby).
Nearly two weeks later the technician arrived with the parts, installed all of them, and - nothing. The system still exhibited the same symptoms as before the repair. He spent around five hours here, most of it on the phone with Apple. They decided that the processor unit they shipped was defective, so they sent another processor unit.
Nearly another two weeks later, the re-replacement processor unit arrived with the tech. He installed it, and everything worked. This was around April 1.
Fast forward to last Wednesday. Arrived home from work, tried to wake the Mac. Nothing happened. Had to force the machine off. Never booted again. Called Apple and went through the motions again. They're sending another logic board, processor unit, and power supply.
I asked about having the machine replaced since this will be the third repair attempt, considering it took two visits and nearly a month to repair it the first time it died. Apple was unwilling to replace it but I was told that if I had another failure, a replacement would be in the cards.
I agree with you about needing reliability in a computer as expensive as a Power Mac. It is not acceptable to have this kind of failure, repeatedly, with this kind of system. If my Windows PC has a hardware failure, I can take care of it myself. A top-end power supply is ~$200, a quality system board is ~$200-$300 - all very doable, and in very little time, if the need arises. A Power Mac logic board is ~$1K, a cpu module is well over $1K, who knows how much that crappy power supply costs, etc. If you have Apple Care, you face the kinds of downtime I'm having to deal with. A month without use of your computer. I mean, if I buy a Dell workstation, or an HP workstation, and pay an extra $200-$300 for service and something fails, Unisys will be here the next day and it will be fixed. That's the standard business class service experience you get from those companies with a computer that costs $600, much less the $3000+ you dish out for a Quad Power Mac. Apple's response is unacceptable.
It's a good thing I have kept my Windoze machine around, cause it's really saved my butt the last 2-3 months; that also makes me really sad, because in the last 6-7 years of Power Mac ownership I've had zero problems with any of them. My dad has my previous machine, a Rev A Dual 2.0 G5, and it's rock solid.
I sure hope that the Intel based Power Mac replacement doesn't suffer from what ever seems to afflict the recent Power Macs. I would absolutely hate to abandon OSX, but I will not put up with this kind of quality failure (hardware & service) again.
Power Mac G5 Mac OS X (10.4.4) Quad 2.5 GHz, 4GB RAM, Disk0: 74GB WD Raptor

Turning on Red Lights on the HP-Envy 17 3D-3090nr Monitor

Hi,
I was hoping someone could explain how the stereoscopic 3D lights (i.e. the 2 red lights on either side of the webcam) that drive the active shutter glasses work?
I recently installed Elemenatry OS Linux (based on Ubuntu) and noticed the lights get turned off when it boots. Windows 7 on the other hand automatically turns them on during boot and they stay on even after a reboot. Everything else works perfectly well enough, the 3D is the last piece of the puzzel.
I have desktop with the exact same dual boot setup but as a 3D monitor I use the Sony PS3 3D Display which works in a similar way to the monitor on the Envy-17 3D. However, on the PS3 display there is a button that one can use to manually activate the lights.
I am wondering if there is a way to turn the lights on manually on the Envy-17 display rather than dynamically as it currently is?
Is there a driver that I can apply with ndiswrapper or something to manually turn the lights on?
It doesn't seem to be a graphic card driver related issue and experience with Windows on the desktop has shown me that the auto-dectection doesn't always work.
Thanks in advance

PoPlease help me, I tried everything.

Macbook 2008 no audio from speakers - can't disable digital audio - red light in headphone jack

Looking for help with this problem, that seems like a lot of people had in the past and still have, but I see that a couple of discussions on it here have been archived. Too bad, as the problem continues.
I seem to be having the same problem with my late 2008 white 2.1Ghz Macbook.
I had used earphones a few times with movies and iTunes, with no problems. Now I've just rebooted to find that I have no audio from internal speakers (the boot up chime works though). Earphones work perfectly.
There is a constant red light in the earphone jack. The volume icon in the top menu bar is greyed out. In the Sound preference panel, Built-in Speakers are not available as an option for audio out. The only option is Digital Audio. If I connect earphones, then they are available as the only option.
I have tried all the various methods that people have recommended, to switch off digital audio through the earphone jack: trying to flip the little switch with a toothpick, paper clip, etc., as well as cleaning around inside the jack with a bit of rubbing or cleaning alcohol; also tried inserting and removing the earphones plug several times, while pushing the volume buttons on the keyboard. Nothing works.
I did get something from inserting/removing the earphone plug, as I seemed to be able to adjust volume from the keyboard, but I never got sound out from the speakers; the volume window seemed to indicate increase/decrease volume as I pressed the keys, but after a few seconds the volume window greyed out again with the No Entry symbol.
Trying to flip the digital audio switch in the jack occasionally gets the red light to turn off for a couple seconds, but then it comes back on.
Is there any particular problem with this that can't be solved by the aforementioned methods, that many people have used to solve it in a simple manner? Could my problem be more serious? Is there anything I could do if I opened up the Macbook, e.g., somehow to manually turn off the digital audio switch?
Any help greatly appreciated.

Got it fixed with a small flathead screwdriver with a fairly wide blade. Opened iTunes, started playing songs, had red light in headphone jack, as per usual with this problem.
Put screwdriver in jack, with blade more or less vertical, started moving it around inside of jack in clockwise motion, pressing pretty firmly. Took just a couple of "swirls" around the inside of the jack and then audio finally turned on! Was a bit of a hassle, but finally worked.
Many thanks to all for their suggestions.
P.S. re. advice not to use metal object. This was the only way I was finally able to solve the problem (i.e., using the small screwdriver). I didn't see where using a metal object would be a problem, seeing as the headphone plug itself is metal. Anyway, it worked.

Phone died and I put it on the charger and the red light keeps flashing.

Phone died and I put it on the charger (wall charger) and the red light keeps flashing. It's been doing that for a little less than an hour, I pulled the batttery twice & get the same light flashing. I also read othe posts and it says to just let it charge for a few hours but i don't think it's gonna work. If you know anything about it let me know please & thank you.

When connected to the charger, is the "no battery" symbol showing?
Leave the device to charge 2-3 hours, and then, still connected to the USB cable, remove the the battery from the device a few seconds and reinsert it. If it boots--leave it to charge to 100% (check Options > Status for the percentage). If it doesn't reboot on the first attempt, leave it several more hours. I've had one charge for two days before it came back to life after an extreme battery depletion. Every 3-4 hours, with the device still connected to the charger, you can remove and replace the battery to see if it reboots.
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Red light, No booting

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