Linksys switch not booting

I have a Linksys switch model SRW248G4P that is not booting. After connecting to the console, booting process stops imediately after loading the diagnostic image file. Is this switch toast? Anyone knows what is the warranty on this type of switch?

hi
Obviously the excellent support technicians at our Small Business Support Center, quickly determined that the product could not be fixed locally for a number of reasons.
My apologies that you have to go through the time involved with the replacement of your switch.
Next time you need a low cost Small Business switch, check out the rereshed SRW series. So many many new features, including Layer 3 switching, Green technology etc....enjoy
regards Dave
http://www.cisco.com/en/US/products/ps10898/prod_models_comparison.html

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Pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?, pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?

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After updating Airport software, Macbook will not boot

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Problems with 7970 not booting.

I have a 7970 that won't boot. Screen is blank, but the bottons work when I ry to factory it, so I know it's not totally bricked. I've tried to factory the phone with both "3491672850*#" and "123456789*0#" methods, but no matter what I try, it doesn't seem to want to suck up all the files from the TFTP server. I get a bunch of different results:
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[SOLVED] How to Connect to a Linksys Switch

Does anyone know how I can connect to a linksys ethernet switch? It seems dhcp isn't working....
Last edited by tony5429 (2009-07-27 22:03:30)

tony5429 wrote:Sorry; I was in a hurry when I posted the question. The switch is not connected to the internet. I tried connecting to it the way I've always connected to routers in the past - using the network daemon during boot-up. But this time it failed - I think I got a dhcp timeout notification. In my /etc/rc.conf I have eth0="dhcp" and INTERFACES=(eth0). I also tried using WICD which I have installed on the computer (it's a laptop with a wifi chip) by enabling the wicd daemon, disabling the network daemon and blacklisting the eth0 interface; but when WICD tried to connect to the switch, I got an error saying it was unable to acquire an IP address. Please correct me if I am wrong but I suspect this all means I am going to need to specify my own static IP address as the switch is not going to assign one to me automatically. If that is the case, how do I go about specifying my own IP address? Thanks!!
As mentioned by arkham, switches operate at Layer 2, which isn't aware of IP addresses (Layer 3). So if this is actually a switch (not a router) then no, you won't be able to get a DHCP lease from it since it's not running a DHCP server.
If there's nothing else on your network acting as a DHCP server, which it doesn't sound like there is, then you'll need to set a static IP.
# Use 'ifconfig -a' or 'ls /sys/class/net/' to see all available interfaces.
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Lenovo 3000 N200 0769 A42 not booting anymore

Hi,
We have a Lenovo 3000 N200 0769 A42 that is not booting anymore. Concretely, when the on/off button is pressed, the fan goes on for a few seconds, the HD led is switched on and the CDrom is running for a few second too, then nothing else, except the "On" led that remains switched on...
I tried this: http://forums.lenovo.com/t5/Lenovo-3000-and-Value-line/Help-How-to-reset-CMOS-on-3000-N200-model-076... to no avail.
I removed the keyboard and unplugged for one minute the only plug I found with red and black wires, to no avail either...
The computer seems dead... Any suggestion to reanimate it?
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Hi, Thank for the reply.
There is nothing displayed on the screen and no access to the Bios.
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I realize that the url given in my first post does not work. Here it is:
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My Mid 2010 MacBook Pro will not boot

My Mid 2010 MacBook Pro will not boot regularly, in safe mode, in recovery mode or from original OS DVD. Is this the logic board?
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If I attempt to boot regularly or from recovery drive the grey apple logo appears for a period before the screen goes black and the power LED operates as though in 'sleep' mode. I'm unable to wake it from this state and the same applies to booting in safe mode.
When attempting to boot from the OS DVD that was originally packed with the computer it just freezes on the language select option, this occurs with the other hdd's I have attempted to use.
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Hi JRC8.8,
It sounds like you have been on the right track in trying to troubleshoot this issue. You may want to see if your MacBook Pro will boot directly to the Apple Hardware Test, as outlined in the following article:
Apple Support: Using Apple Hardware Test
http://support.apple.com/kb/ht1509
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Complicated problem: Laggy Macbook Pro, now not booting

I am facing a very complicated issue with my unibody Early 2011 15" Macbook Pro (2.2 ghz core i7, 4gb 1333mhz ram, amd radeon 6750m, if you need hardware details).
I guess the issue started after my computer started to get laggy for no reason at all: it was never the GUI that lagged, but whenever I would perform some data-dependent tasks such as playing a video, or trying to open a big file. This lagging did coincide with some of my friends playing around with magnets around my computer (which may have possibly corrupted hard disk data).
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So then, I get back home, and the laggy problem is still there. I just had to cope with the problem for a few days, until I go back to the Apple Reseller, but then suddenly, after a restart, the computer started not even booting. The grey apple icon would blink, and turn into a circle with a cross icon. Checked online, and this is apparently related to corrupted system files. This is where I began to suspect that the USB shut-off from few days ago, did more damage than the technicians thought: maybe related to the hard disk, or RAM.
But then again, it could have just been a coincidental corrupt hard disk from my actions, so I wiped/repartitioned my hard disk, and restored the OS and my files from a TIme Machine Backup. Again, the problem was still there, so I thought it might be to do with my backed up system files, so I did a fresh install of Lion.
The fresh install of Lion seemed to eliminate all lagging problems, but after I started copying my files and installing applications from Time Machine, the lagging problem gradually returned. So another question arose, was it a faulty hard disk, or a corrupt file or application that was making it laggy? To check if it was my hard disk, I did a zero-over erase of the entire disk with Disk Utility, and sure enough, the writing process failed in the middle.
After thinking I zeroed in on the problem, I replaced the hard disk in my Macbook Pro with another 750gb Toshiba SATA drive, and did a clean install of Lion. Once again, the laggy problem was gone, but just like the old hard disk, the laggy problem returned after I started copying files over and installing applications. Switching applications would take forever, and accessing folders on my hard disk would also be laggy. Playing videos was impossible, but the GUI (dock, spaces, etc) were all very responsive.
Now, I thought the problem is either with faulty RAM, or my hard disk reader is broken (since two hard disks, although the original one was faulty, both failed). I read online that the Apple Hardware Test (AHT) can help identify and pinpoint hardware problems, so I inserted the 2nd disk that came with my computer (Applications Install), and pressed D, but then nothing came up. After countless attempts, I maybe thought it was the wrong disk, so I inserted the 1st disk (OS Installer), and held D while booting, but still, AHT would not load.
After countless attempts at loading AHT, all of which led to me forcing shut down/holding power button after seeing the Apple logo, brings the problem to where I am at now: my Macbook does not boot into the login screen. After the Apple logo, and the spinner wheel have appeared, the screen turns white and the display becomes an infinite loop of switching from a gray color, to a white color.
This problem is frustrating me very much, because there are so many possible causes, and the problem persists even after reinstalling the OS, and even replacing the ard drive. The logic board shutoff could be the cause, but then again, the lagging problem started way before it happened. Somebody please tell me what is the problem, and what I should do? Thanks in advance.

novaria wrote:
Didn't know my magnets were strong enough to corrupt hard disks.
Yes, it's a method used to destroy data on a hard drive as it's recorded using magnetic fields, either "on" or "off" to represent the 1's and 0's that make up the basic building blocks of your data.
But, the magnet does not explain why the hard disk reported an error when being erased with zero-over option.
When the driver software has a problem reading the data on the drive, it assumes it's a bad sector, then maps it off and uses a spare. You likely ran out of spares.
I just tried zero-over erasing the second, good hard disk that replaced the original, but again, it fails. Is this a common problem with the zero erase option?
No.
or is it something to do with my hard disks, or some sort of damaged hardware in my computer?
Well this is drive #2 and it's new, and you get the same problem.
It's either something your doing, (like moving the hard drive/ computer while it's operating thus the heads are striking the platters) or it's a hardware defect, or perhaps the magnets did other damage we can't see, perhaps it's magnatized the computer and that's affecting the hard drive or electronics.
May be a loose or defective cable.
It's time for a hardware evaluation at this point.

Lenovo SL510 will not boot.

So I made a mistake. I've reinstalled the OS on computers dozens of times and never quite had this issue. I have the Lenovo SL510 and tried to reinstall using the dvd drive. I entered bios and changed boot settings so the dvd drive was first and then booted it up but it went straight into windows 7 on the hard drive. I tried again, hitting f12 at startup and specifically selected the DVD drive to boot from and again it would boot directly from the hard drive ignoreing the DVD drive completely. Finally I opened the DVD drive from windows and installed over top of the old OS, planning to delete the old files once the install finished.
The install went fine, everything worked, except I didn't have internet. Turns out that the wireless adapter wasn't being recognized. I opened device manager and it was showing up under "Other Devices" as Network Controller with a yellow exclamation mark. I then proceed to track down and install the wireless drivers after connecting with an ethernet cable. I tried the intel chipset program and it would fail to install the correct driver, I tried the lenovo support program and it failed to install the driver, I manually downloaded and installed the driver and nothing happened. I tried several different wireless drivers and the result was always the same. I was working on the issue for at least 8 hours.
Finally I decided it wasn't worth the trouble, and why not reinstall again. This time I created a bootable USB drive and went through the same process, changed boot order, no result booted from hard drive, pressed f12, selected the USB drive, same result. Finally I installed the new OS image over the existing OS from the USB while the computer was on.
Installing the OS over the older OS was definitely a mistake, but it seems like the core of the problem was that the computer just wouldn't boot from anything other than the hard drive itself I didn't realize the implications that this presented and during the final install of the OS from the USB the computer restarted during installation. Of course.. the computer did not reboot from the USB which meant it simply came up black screen, the OS had already been wiped from the hard drive, but it could not boot from the USB and therefore simply comes up blackscreen.
The first thing I tried to do was reboot into BIOS, wasn't happening. When I attempted to access bios it would simply blackscreen with the power on indefinitely. I obviously tried booting and using f12 several times to try switching back and forth from USB to DVD and so on, but everything just black screened.
So..... Help? If the computer couldn't boot from USB or DVD then the only option was to boot from inside the original OS, but doing that caused a massive driver error which I couldn't resolve no matter what I did. And now I'm thinking the computer is completely lost. The only idea I have is to try using a friends computer to install an OS on to the SL510's hard drive and then resintall the hard drive into the Laptop to see if it will boot from it. I've poured over this entire forum and found lots of similar issues but no one seems to be offering any answers or solutions besides an occasional "we're looking into it" message.
Solved!
Go to Solution.

First of all, remove all media from your dvd drive and usb ports. Unplug the pc from the power adapter and remove the battery. Then press at least 10 times the power button in 1 second intervals. Press it another time and keep it pressed for 30 seconds.
Now reinstall the battery and connect the adapter. Press the power button normally, see if something is moving...
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!
This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

Machine will not boot; hard drive makes clicking noise

My G4 will not boot up.
Here are the symptoms:
It passed the hardware test;
Will not perform a safe start - so cannot run disk utility;
Hard drive makes a clicking noise.
I'd appreciate any advice about how to proceed.
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Yes, as mentioned backup now. best not to use your Mac till you do. The drive may fail for good. Here's some tips on replacing your drive (they are pretty inexpensive now);
This is by SDMacuser,
Even if you have never installed nor pulled a HD from a Powermac...... trust me....it is not all that difficult.
I can actually switch internal HD's among 3 separate G4 Towers I own in a matter of minutes (often less than 10 minutes).
Simply power the system down and ground yourself (a grounding strap is recommended or at the very least touching the metal frame to discharge any potential static electricity prior to actually touching the HD or any internal components on your system).
Disconnect the power cable to the back of the HD, then the long ide connector on the back of the HD / cable (pull straight back while grasping the black connector with 2 fingers ... do not yank the actual ribbon cable).
All of my HD's are mounted or bolted to their own metal sleds (either single sled or a dual sled) with 4 screws.
Unscrew the small screw (philips) holding the sled in place on position one below the ide connector or cable. And gently remove the sled & HD from the Powermac without bumping / damaging other internal components.
Remove the 4 screws from the sled itself holding the HD in place. Be careful not to allow the drive to fall once all screws have been removed.
Install the new HD (and make sure to address proper jumpers on the back of the HD itself.)
Now reverse this process with new HD for proper installation into the G4 Powermac.
Any questions just post back.
btw ... there are a few QT demos on apples web sites showing how to do this.
 Cheers! DALE

G4 that will not boot from any disc EXCEPT the Apple Hardware Test CD

We have a DP 1ghz Quicksilver PowerMac G4 that will not boot from any disc EXCEPT the Apple Hardware Test CD that came with the machine.
We were in the process of installing 10.4 Tiger before placing it for sale.
The Mac was originally OSX Server 10.1 that we later converted to a worksation running 10.3 Panther.
It has 1 GB of memory, 80GB hardrive, 250MB Zip Drive and a Radeon 7500 video card.
Since this machine only has a CD-R drive and not a DVD-R, we installed Tiger using another Mac via Target Disk Mode. The installation process went well, but when I tried to reboot I got a Kernel Panic right after startup screen with the grey Apple logo.
On some reboots we get to the blue startup screen, others it stops at the grey Apple logo, others a black box like the a Kernel Panic - but with no text. Twice it went directly into Open Firmware.
We have done the following during our troubleshooting:
- Reseat RAM, Video Card, Hard Drive, Zip & CD-R connections
- Remove RAM 1 stick at a time and reboot
- Replace RAM with RAM from another working Quicksilver
- Replace Video Card with one from another working Quicksilver
- Zap PRAM
- Reset CUDA switch
- Unplug the MAC and remove everything (RAM, Battery, etc) for 30 minutes and try to reboot
- Tried booting from the Macintosh Server G4 Software Restore CD
- Tried booting from Mac OS X Server CD
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- Tried booting from Diskwarrior CD
- Tried booting from an external FireWire drive with a disk image of Tiger OS Install
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The Mac WILL boot from the Apple Hardware Test CD and will pass ALL of the extended tests.

Conventional wisdom says that any Mac that will not boot up from a System/Install CD OS 9 or an Install CD Mac OS X, has a Hardware problem.
The diagnostic CD is a red herring because it uses a very primitive method of reading the CD, and so does not properly represent the machines general ability to read CDs.
I would look at the CD drive cables, etc, and see if another drive gives different results.
You have not mentioned using the Startup Manager (option key at Startup) to do any checking:
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