March 18th, 2015, 06:55 PM
Ultimate Boot CD 5 Guide
This is a quick how-to guide for creating an Ultimate Boot CD 5 (UBCD5) boot disc.
Every tech should have a copy of UBCD5 in their toolkit.
Make sure that you have enough free disk space for the UBCD5 .iso (≈600MB)
Go to http://ubcd.sourceforge.net/download.html
*Do NOT click on any buttons that say Download or Download Free Now!*
(You won't see these if you are running an adblocker)
Scroll down to the "Mirror Sites" section
Click on one of the download buttons download.gifnext to ISO
Save the ubcd5##.iso file to your computer
After the download completes, you'll need to burn the ubcd5##.iso to a CD as an IMAGE:
If you have Windows 7 or higher, follow these instructions:
Otherwise, you can download ISORecorder and follow the instructions here:
To create a bootable flash drive, read Post#2
March 18th, 2015, 06:57 PM
Bootable UBCD5 Flash Drive
If your computer supports USB boot, you could create a bootable UBCD5 flash drive instead.
The flash drive must be reformatted, so make sure to move any important data off to another location.
*** WARNING! Rufus will destroy ALL data on the flash drive! ***
To create a bootable UBCD5 flash drive:
Download Rufus here: http://rufus.akeo.ie/
Use the following parameters:
Device = verify that the correct flash drive is selected
Partition scheme and target system type = MBR partition scheme for BIOS or UEFI
*For newer systems with Win8/10, you may need to choose GPT partition scheme for UEFI
File system = FAT32
Cluster size = 4096 bytes (Default)
New volume label = You can keep the current label or rename the drive
Uncheck "Check device for bad blocks"
Check "Quick format"
Check "Create a bootable disk using ISO Image"
Click the CD icon button, browse to your ubcd5##.iso file, and click Open
Check "Create extended label and icon files"
Click the Start button
*** WARNING #2! Rufus will destroy ALL data on the flash drive! ***
*Rufus will now write UBCD5 to your flash drive*
March 18th, 2015, 06:59 PM
To run a memory test:
Boot from UBCD5 (CD or USB flash drive)
Using the arrow keys, scroll down to "Memory" and press Enter
Using the arrow keys, scroll down to "Memtest86+ V5.01" and press Enter
Allow Memtest86+ to run though at least 1 full pass (2 or 3 passes would be preferred)
You should see ZERO errors
If there are errors, shut down the computer, remove all but 1 memory module, and run Memtest86+ again.
Repeat for each memory module to determine which one(s) are defective.
March 18th, 2015, 07:04 PM
Hard Drive Test
To run a hard drive test:
Determine your hard drive's manufacturer:
- In Windows, look in Device Manager - Disk Drives
- In the BIOS, look for IDE or SATA drives (varies by motherboard)
- Open up the computer case and look at the sticker on the drive
Seagate drive model numbers start with "ST"
Western Digital drive model numbers start with "WD"
If the model number does not start with "ST" or "WD", post it to the forum
Boot from UBCD5 (CD or USB flash drive)
Using the arrow keys, scroll down to "HDD" and press Enter
Using the arrow keys, scroll down to "Diagnosis" and press Enter
For Seagate drives, use the arrow keys to scroll down to "Seatools for DOS V2.23" and press Enter
For Western Digital drives, use the arrow keys to scroll down to "Data Lifeguard Diagnostic for DOS V5.22" and press Enter
Run the short/quick test first.
If the short/quick test fails, replace the hard drive.
If the short/quick test passes, run the long/extended test.
If the long/extended test fails, replace the hard drive.
*If the hard drive is not detected by Seatools or DLG Diags, it could be because the storage controller is set to AHCI mode in the BIOS.
To resolve this, boot into the BIOS and set the storage controller mode to IDE or SATA. (varies by motherboard)
Boot from UBCD5 again and run the hard drive diagnostics.
After you finish running the diagnostics, boot into the BIOS again and set the storage controller mode back to AHCI.
March 23rd, 2016, 09:33 PM
Remove MBR from USB flash drive using DiskPart
Remove MBR from USB flash drive using Windows
If you have a USB flash drive that was previously set up as bootable, but you want to make it non-bootable again:
*** Disconnect all USB drives except for the flash drive you are modifying ***
*** Backup your flash drive data first! ***
Open an Elevated command prompt
Type list disk
Determine which Disk # is your flash drive (Ex. Disk 1)
Type select disk # (where # is the disk number of your flash drive)
Type list partition
Determine which Partition # is the boot partition (Usually the bigger one, Ex. Partition 0)
Type select partition # (where # is the partition number of your flash drive)
You should see "DiskPart marked the current partition as inactive"
Type exit to close DiskPart
Type exit to close the command prompt
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