solo 1450 boot problems

After shutting down my laptop, the next day it would not boot. All it would do is the cooling fan would come on and stay on and the two led lights indicating battery and power would also be on. And the hard drive would get recognized for a split second but then nothing would happen. I would leave it powered on but nothing would happen. I tried using only the battery, then just the power cord but still nothing. Then it stopped even powering on, the only thing that happens now is the led light for the battery charger is on and the D drive gets recognized for a split second. I did a little research and found out that is was most likely the motherboard and replaced it but it still only recognizes the D drive and doesn't power anything up. I have also tried booting w/o the ram and nothing has happend. Any help would be appreciated. Thanks.
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Does it beep when you press the power button without the ram installed?

Did you change the cpu when you changed the motherboard?
maadhamstAuthor Commented:
No it does not beep, and no I did not change the cpu. Should I have?
>>   but it still only recognizes the D drive   <<  how can this be if it does not power on?
anyway, you can try powering on without disk or cd attached, and see what happens
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No beeps could mean bad mobo and/or processor.
I have several gateways right here and at least some of them don't beep with the memory removed.
The drive lights either come on and stay on or flash on then go out.
~ I'd say you have bad RAM.

maadhamstAuthor Commented:
It wasn't the ram, i just bought new stuff and that didnt do anything it still does the same thing. The drive lights just flash for an instant and then nothing.
maadhamstAuthor Commented:
would it be my cpu?
It certainly could be the cpu.
Have you tried it with the video card removed?
maadhamstAuthor Commented:
There is no video card on this old P.O.S., i'm trying to get my hands on a new cpu, but if its not that then im just going to take it somewhere because i have run out of ideas.
maadhamstAuthor Commented:
if it was the cpu what would be the symptomes?
I haven't worked on a 1450 but as far as Gateway Solo I've worked on 2300, 9100, 9150, 5300, 9300, 9500, 9550.
In fact I have one or more of each (except the 9550) here right now.

Gonna back up a couple of steps because I can't -see- what's going on and some assumptions have been made that may not be true.

If you are getting nothing at all on the screen there is a possibility what you have is a dead screen. It 'looks' pretty close to the same as what you are describing is going on. You can make sure it's not the screen by attaching a monitor to the VGA out port. If there's nothing on that either then the screen probably isn't the problem. I don't think it is but I wanna cover all the bases.

If you are -sure- this is trying to start then going dead the likely problems (after bad or loose memory) are the mainboard, CPU, AC power adapter.
Less likely but possible would be a bad drive. (Failed such that it's overloading the power circuit.)
Watch the light on the AC adapter as you try to start it up.
- If the light stays green and doesn't go dim or flicker then that's not it.
- If the light goes very dim or out within a few seconds the the AC adapter is suspect.
- If the light flashes very fast rather than on steady it's likely a power problem on the mainboard (maybe one of the drives).

Next try and boot it with ALL drive removed.
If the system gets to a screen then you had a bad drive in it.
If not then the drives aren't suspect but at least there is no risk of causing them damage due to a power problem on the board.

Back to where we were:
It's very hard to tell between a bad CPU and a bad motherboard.
No -for sure- way to tell short of trying another CPU or trying your CPU in another laptop.

I suggest before you buy anything that you try this.
Remove and replace the CPU a few times then retest the system.
Reason: Occationally CPU's will lose good contact with 'pins' in the socket. What happens is small (tiny) anounts of corrosion build up on the pins (all metals oxidize in air) and with the small voltages involved it's enough to cause problems. (Add to that laptops get lots of little bumps during their lifetime, things can get loose.). Removing and replacing the CPU is usually enough to rub off any oxidation layer and restore good contact.

If that doesn't work I would look for a chassis with a known good CPU and mainboard on eBay.
(You don't need a screen or drives or keyboard but if you get some, fine.)
This will allow you to trouble shoot by parts swapping, you'll have a working laptop (sooner) when you are done, and it will probably cost less in the long run considering you can resell your left-overs (or save them as spares.)


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maadhamstAuthor Commented:
Now were getting somewhere. When i take out all the drives, im talking nothing but motherboard, and hit the power button the green led for power is steadily on. I turn it off and put in the hard drive. When I turn it back on and i can hear the hard drive spinning. Turn it off, put in the cpu, and the old problem happens. The green power led comes on for a second and then shuts off and no hard drive spinning, no booting, nothing.

So I took out the CPU and plugged in the cooling fan and that did not turn on either, but the hard drive is spinning again and the light is staying on. Does the fan not come on because the CPU needs to be plugged in?  I've tried removing and replacing the CPU but that does nothing.

I even did this to the motherboard that I thought was bad, and everything works the same as the new one. Hopefully I can return the new one and just buy a new CPU.

What do you think PCBONEZ, does it sound like a new CPU would do the trick? And if so what type of processor is it?
maadhamstAuthor Commented:
Oh I forgot that nothing comes up on the monitor when
i do any of this but, the D drive can now be opened and closed.
I'm afraid you are loosing me as to what you are doing and have done.

Check for video output on a regular screen.
If you get the same responce on both then the LCD's function isn't in question (yet).

"Does the fan not come on because the CPU needs to be plugged in?"
That varies by the system but normally it would come on by default as soon as you kick the system on until the fan control takes over as the BIOS loads things up. I can't be 100% sure on your's but I'd suspect the fan is bad.
~ This may have killed the CPU due to heat or the fact the fan isn't working may be why it won't start due to some protective feature.
Most laptop fans are 3 to 5 volts so you could see if it works using 2 or 3 regular flashlight batteries and some hook-up wire.
- If it doesn't work then it could be just the fan or the fan and the CPU.
- If it does work then just the CPU.
(We are talking likelyhoods here not certainties.)

I'd replace both the fan/heatsink assembly and the CPU were it me.

I use these places to get part numbers and sometimes I buy there if I'm in a hurry.
You can usually get better prices on eBay. (Often ~WAY~ better prices!)

Processors for Solo 1450's are either Celeron-T -OR- Pentium III-M.
The socket is micro-FCPGA2 (478 pin) and it's a 133 MHz FSB, 1.50 volts, and on the 0.13 micron die.
They are 478 pin but don't confuse that with socket 478 CPU's. (The mobile P3 layout is different.)
~ These are also known as "Tualatin" processors. They are beefier than the earlier P3's.

The following -should- work but double check everything before you buy.
I know the Solo 1450's came "stock" at least with those in the 1.06 to 1.2 GHz range. (Possibly others.)

SL6HA  1.33 GHz 133 MHz 0.13 micron B1 256 KB 478 pin
SL63Z  1.20 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL64K  1.20 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL642  1.13 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL64L  1.13 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL64M  1.06 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL643  1.06 GHz 133 MHz 0.13 micron FPA1 256 KB 478 pin
SL6AB  1.00 GHz 133 MHz 0.13 micron B1 256 KB 478 pin

SL637  1.26 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL6A7  1.20 GHz 133 MHz 0.13 micron B1 512 KB 478 pin
SL6A9  1.20 GHz 133 MHz 0.13 micron B1 512 KB 478 pin
SL5N5  1.20 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CL  1.20 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5N4  1.13 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CK  1.13 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CJ  1.06 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5PL  1.00 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CH  1.00 GHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CG  933.00 MHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5UC  933.00 MHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5UB  866.00 MHz 133 MHz 0.13 micron FPA1 512 KB 478 pin
SL5CF  866.00 MHz 133 MHz 0.13 micron FPA1 512 KB 478 pin

To effectively search for CPU's on eBay enter the sSpec and select to search "in titles & descriptions".
(The sSpec is that first 5 digit number.)

You can double check specs here:
Enter the sSpec or search ~MOBILE~  P3 or Celeron.

For cost/performance balance I'd go with a -P3- from 1.06 to 1.20 GHz.
The 512k cache helps.
The 1.20 GHz Tualatin P3's rivaled the early P4's in performance because of it.
maadhamstAuthor Commented:
I didn't mean to confuse, I'm a trying to be as thurough as I can and I think i'm rambling, but I will try to be more clear in the future.

I have a SL63Z, a celeron, so would it matter if I switched to a P3. I'm guessing that it wouldn't, but i'm asking to be safe.

My fan/heatsink was working when this "no boot" problem first arose. I believe I fried it while working on the motherboard, I remember seeing a little spark while I was reattaching it to the new motherboard.

I have a feeling that my motherboard was not bad in the first place, and that it was just a bad CPU.

I just bid on one, so i'm hoping it fixes my problem.(crossing fingers)
Yes you are safe.
The CPU's listed in my last post are interchangable on your board.
That model laptop came with either/or Celeron/P3 from the factory.
Gateway actually used the 1.06 to 1.20 GHz P3's in them.
I'm not sure if faster or slower came 'stock' but they should still work.

maadhamstAuthor Commented:
You've all been a big help, and I don't think there is much else to go over, but if there is i'll open another topic, so thanks.
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