Vacuum leaves lines of debris behind and does not pick up well from carpet

Safety first: Turn OFF and remove the battery before inspecting the brushroll.

• Step 1 – Inspect bristles: Flip the vacuum over and examine the brushroll. If bristles are worn down, uneven, or missing, agitation will be poor.
• Step 2 – Clean brushroll: Remove hair and threads wrapped around the brush. This can lift the brush away from the carpet.
• Step 3 – Check nozzle height: If your Dirt Devil cordless has a height adjustment, set it to a lower setting for low-pile carpet.
• Step 4 – Replace brushroll: Install a new Dirt Devil brushroll designed for your model if bristles are significantly worn.