<div>
First, carefully read this article on installing a second drive on a B &amp;&nbsp;W G3 and make particular note of the comments re rev. 1 v. rev. G3's and the comments re jumper settings.<br />
<br />
You don't say if you are running OS 9 or OS X on the computer.<br />
<br />
If you are running OS X, boot while holding down the Option key. This should bring up the startup manager and allow you to select which drive to boot from.<br />

</div>


First, carefully read this article on installing a second drive on a B & W G3 and make particular note of the comments re rev. 1 v. rev. G3's and the comments re jumper settings.

You don't say if you are running OS 9 or OS X on the computer.

If you are running OS X, boot while holding down the Option key. This should bring up the startup manager and allow you to select which drive to boot from.


<div>
<div class="content wysiwyg-content">
I am trying to help a friend out and I was installing another HDD in the machine and did not have all of the little nuances down that the machine needs to have to install a larger HDD. &nbsp;My bad for not researching better. &nbsp;However the issue comes here, I went into Startup Disk after I did an image to a larger drive. &nbsp;I changed the Startup Disk to the larger drive, now it can't find the OS and I don't know how to change it back to boot from the original drive. &nbsp;Can someone please help me so I can get my friends computer back into working order. &nbsp;
</div>
</div>


I am trying to help a friend out and I was installing another HDD in the machine and did not have all of the little nuances down that the machine needs to have to install a larger HDD.  My bad for not researching better.  However the issue comes here, I went into Startup Disk after I did an image to a larger drive.  I changed the Startup Disk to the larger drive, now it can't find the OS and I don't know how to change it back to boot from the original drive.  Can someone please help me so I can get my friends computer back into working order.  

Blue and White G3 not bootable

All of Apple's hardware is produced solely by Apple Inc., who determines internal systems, designs, and prices. Apple buys certain components wholesale from third-party manufacturers. The current Mac product family uses Intel x86-64 processors. All Mac models ship with at least 1 GB RAM as standard. Current Mac computers use ATI Radeon or nVidia GeForce graphics cards and include a dual-function DVD and CD burner, called the SuperDrive. Current Apple hardware includes the iPad, iPhone, iMac, Mac Pro, Macbook, iPod and Apple TV. Discontinued hardware includes the Apple I, Apple II, and the Apple III, the Lisa, the Newton, the Quadra, Performa, Centris, Macintosh II and LC series, the Power Macintosh, iBooks and the MacBook.