Help: Resolving Kernel Panic/Stop Sign/Prohibitory Sign
I believe there is a serious issue affecting my MBP and I need help identifying the specific cause.
On normal start up, when presented with the login screen, the Apple Logo turns into a prohibitory or stop sign (circle with a line across). The spinning circle remains spinning. I found other threads in the community where users faced the same issues, and I have applied the suggested solutions to no success. Here is what I tried:
| Solution | Result |
|---|---|
| Safe Boot (Shift only) | Prohibitory sign on login (issue persists) |
| Safe Boot, Advanced (Shift+CMD+V) | "Still waiting for root device" at end of log, prohibitory sign pops up (Screen Capture: http://db.tt/KgbX8oWN) |
| Reset VRAM/NVRAM | Issue persists |
| Disk Utility - Verify | "Unable to bootstrap transaction group 4000: bad mlv address" (Verify Disk Failed) |
| Disk Utility - Repair | "Unable to bootstrap transaction group 4000: bad mlv address" (Repair Disk Failed) |
| Reinstall Mac OSX | The HDD doesn't show up on the list...only the recovery partition, which is locked. |
The harddrive was recently replaced (slightly over a year old), and did not make any "clicking" noise prior to this.
Message was edited by: wisemanleo
MacBook Pro (15-inch Late 2008), Mac OS X (10.5.5), 2.80ghz, 4GB ram, 320GB 7200RPM hdd, 512mb nVidia 9600M
